1998_chevrolet_express_owners

Fan andDrive: Engine Oil (Gasoline Engine)

0 Removal of fan clutch (if equipped) or rendering If your vehicle hasa diesel engine, see “Engine Oil
clutch inoperative. (Diesel Engine)” in the Diesel Engine Supplement.

0 Removal of the fan shroud (if equipped). It’s a good idea to check youerngine oil every timeyou
Air Intake: get fuel. In order to get anaccurate reading, theoil must
0 Removal of the air cleaner silencer. be warm andthe vehicle must be onlevel ground.
0 Reversing the air cleaner cover.
Exhaust: --
0 Removal of the muffler and/or resonator.
0 Removal of the exhaust pipes and exhaust The engine oil dipstick has
a yellow handle andis
pipe clamps. located near thecenter of
the engine compartment.

Turn off the engine and
give the oil a few minutes
to drain back into theoil
pan. If you don’t, theoil
dipstick might notshow
the actual level.

6-12

Checking Engine Oil NOTICE:

Pull out the dipstick and clean it with a paper towel or Don’t add too much oilI.f your engine hasso
cloth, then push it back in all the way. Remove itagain, much oil that theoil level gets above the upper
keeping the tip down, and check the level. mark thatshows the proper operating range,
your engine could be damaged.

When to Add Engine Oil

If the oil isat or below the ADD mark, then you’ll need
to add atleast one quart of oil. But you must use the
right kind. This part explains what kindof oil to use. For
crankcase capacity, see “Capacities and Specifications”
in the Index.

The engine oil filler cap is located between the coolant
recovery tank andthe air cleaner.

Be sure to fill it enough to put the level somewhere in RECOMMENDEDSAE YlSCOSllY GRADEENGINE OILS
the proper operating range. Push the dipstickall the way
back in when you’re through. FOR BESTFUEL ECONOMY ANDCOLDSTARTING,SELECTTHELOWEST
SAEVISCOSITYGRADE 011 FOR THEEXPECTEDTEMPERATURERANGE.
What Kind of Engine Oil to Use
HOT atfiLOOK
Oils recommended for your vehicle can be identified WEATHER
by looking for the “Starburst” symbol. This symbol FOR MIS
indicates that the oil has been certifiebdy the American SYMBOL
Petroleum Institute (API).Do not use any oil which
does not carry thisStarburst symbol. Jt A
I
1f you change your own
oil, be sure you use oil that I
has the Starburst symbol
on the front of the oil .
container. If you have your
oil changed for you, be sure SAt d-30
the oil put into your engine PREFERRED
is American Petroleum
Institute certified for COLD
gasoline engines.
WEATHER
You should also use the proper viscosityoil for your
vehicle, as shown in the followingchart: I

DO NOT USE ME 20W.50 OR ANY OTHER

GRADE OIL NOTRECOMMENDED

As shown in thechart, SAE 5W-30 is best for your Engine Oil Additives
vehicle. However, youcan use SAE 1OW-30 if it's going
Don't add anything to your oil. Your dealer is readyto
to be 0"F (- 18"C) or above. These numbers on an oil advise if you think something should be added.

container show its viscosity, or thickness. Do not use When to Change Engine Oil
other viscosity oils, such as SAE 20W-50.
If any one of these is true for you, use the shorttripkity
NOTICE: maintenance schedule:

Use only engine oil with the American Petroleum Most trips are less than 5 to 10 miles (8 to 16 km).
Institute Certified For Gasoline Engines This is particularly important when outside
"Starburst" symbol. Failure to use the temperatures are below freezing.
recommended oil can result in engine damage
not covered by your warranty. Most trips include extensive idling (such as frequent
driving in stop-and-go traffic).
GM Goodwrench@oil meets all the requirements for
your vehicle. Most trips are through dusty areas.

If you are in an area where the temperature falls You frequently tow a trailer or use a carrier on top of
below -20°F (-29 "C), consider using either an your vehicle.
SAE 5W-30 synthetic oil or an SAE OW-30 oil. Both
will provide easier cold starting and better protection The vehicle is used for delivery service, police, taxi
for your engine atextremely low temperatures. or other commercial application.

Driving underthese conditions causes engine oil to
break down sooner.If any one of these is truefor your
vehicle, then you need to change your oil and filter
every 3,000 miles (5 000 km) or 3 months -- whichever
occurs first.

If none of themis true, use the long trip/highway Air Cleaner (Gasoline Engines)
maintenance schedule.Change the oil and filter every
7,500 miles (12 500 km) or 12 months -- whichever To remove theair cleaner filter:
occurs first. Driving a vehicle with a fully warmed 1. Loosen the screw bolt to air induct hose.
engine under highwayconditions causes engine oil 2. Remove the threebolts holding the air cleaner
to break down slower.
housing in place.
What to Do with Used Oil 3. Remove the full air housing.
4. Unsnap the three clips.
Did you know that usedengine oil contains certain
elements that maybe unhealthy for your skin and could Then tilt the top cover up and back teoxpose the
even cause cancer? Don't let used oil stayon your skin filter element.
for very long. Clean your skin and nails wisthoap and
water, or a good hand cleaner. Wasohr properly throw
away clothing or rags containing used engine oil. (See
the manufacturer's warnings about the use and disposal
of oil products.)

Used oilcan be a real threato the environment. If you
change your ownoil, be sure to drain all free-flowing
oil from thefilter before disposal. Don't ever dispose of
oil by putting it in the trashp, ouring it on the ground,
into sewers,or into streams or bodies of water. Instead,
recycle it by taking itto a place that collects used oil.If
you havea problem properlydisposing of your usedoil,
ask your dealer, a service stationor a local recycling
center for help.

6-

5. Install a new filter element with the folds in the I NOTICE: I
down position.
If the air cleaner is off, a backfire can cause a
Reverse Steps 1 through 4 to replace the air cleaner. damaging engine fireA. nd, dirt caneasily get
into yourengine, whichwill damage it. Always
See “Normal Replacement Parts” for the proper filter have the air cleaner in plwacheen you’re driving.
to use.

Refer to the Maintenance Schedule to determine when to
replace the air filter and crankcase ventilation filter.

See “Scheduled Maintenance Services” in the Index. Automatic Transmission Fluid

I /!1CAUTION: If your vehicle has adiesel engine, see “Automatic
Transmission Fluid” in the DieselSupplement.

Operating the engine with tahier cleaner off can When to Check and Change
cause you or others tobe burned. The air cleaner
not only cleans the air, it stops fliafmthee engine A good time to check your automatic transmission fluid
backfires. If it isn’t there, and the engine level is when the engine oil is changed.
backfires, you could be burned.Don’t drive with
it off, and be careful working on the engine with Change both the fluid and filter every 50,000 miles
the air cleaneor ff. (83 000 km) if the vehicle’sGVWR is over 8,600 or
if the vehicle is mainly driven under one or more of
these conditions:

In heavy city traffic where the outside temperature
regularly reaches 90”F (32”C ) or higher.

In hilly or mountainous terrain.

0 When doing frequent trailer towing.

6-17

Uses such as found in taxi, police or delivery service. Wait at least30 minutes before checking the
transmission fluid level if you have been driving:
If your vehicle’s GVWR is nootver 8,600 and you
do not use your vehicle undearny of these conditions, 0 When outside temperatures are above 90°F (32°C).
change the fluid and filter every 100,000miles
(166 000 km). 0 At high speed for quite a while.

See “Scheduled Maintenance Services”in the Index. In heavy traffic -- especially in hot weather.

How to Check 0 While pulling a trailer.

Because this operationcan be a little difficult, you To get the right reading, thefluid should be at normal
may choose to have thisdone at yourGM dealership operating temperature, which is 180°F to 200°F
Service Department. (82°C to93“C). See“Checking Transmission Fluid
Hot” in the Index.

If you do it yourself, besure to follow all the Checking Transmission Fluid Hot
instructions here,or you could get a false reading Get thevehicle warmed up by driving about15 miles
on the dipstick.

(24 km) whenoutside temperatures are above50°F

NOTICE: (10°C).If it’s colder than 50°F (lO”C),drive the
vehicle in in DRIVE (D) until theengine temperature

gage moves and then remainssteady for 10 minutes.

Too much or too little fluid can damage your Then follow the hotcheck procedures.

transmission. Too much can mean that some of

the fluid could come out and fall on hot engine

parts or exhaust system parts, starting a firBee.

sure to get an accurate reading if you check your

transmission fluid.

Checking Transmission Fluid Cold Then, without shuttingoff the engine, follow these steps:

A cold check is made after the vehicle has been sitting ,., I
for eighthours or more with the engine off and is used
only as a reference. Let the engine run at idle for five 1. The transmission dipstick has a redhandle and is
minutes if outside temperatures are 50°F (10°C) or located near thecenter of the engine compartment.
more. If it's colder than 50°F (lO"C), you may have Flip the handle up and then pullout the dipstick
to idle the engine longer. Should the fluid level be low and wipe it with aclean rag or paper towel.
during a cold check, you must perform a hotcheck
before adding fluid. This will give you a more 2. Push it back in all the way, wait three seconds and
accurate reading of the fluid level. then pull it back out again.

Checking the Fluid Hootr Cold

0 Park your vehicle on a level place. Keep the engine
running.

0 With theparking brake applied, place the shift lever
in PARK (P).

0 With your foot onthe brake pedal, move the shift
lever through each gear range, pausing for about
three seconds in each range. Then, position the
shift lever in PARK (P).

0 Let the engine run at idle for three minutes or more.

3. Check both sides of the dipstick, and read thelower How to Add Fluid
level. The fluid level must be in the COLD area for a
cold check or inthe HOT area or cross-hatched area Refer to the Maintenance Schedule to determine’what
for a hot check. kind of transmissionfluid to use. See “Recommended
Fluids and Lubricants” inthe Index.
4. If the fluid level is in the acceptable range, push the
dipstick back in all the way; then flip the handle Add fluid only after checking the transmission fluid
down to lock the dipstick in place. while it is hot. (Acold check is used only as a
reference.) If the fluidlevel is low, add only enough of
the proper fluid to bring the level upto the HOT area
for ahot check. It doesn’t take much fluid, generally
less than one It (0.5 L). Don’t overfill.

NOTICE:

We recommend you use only fluid labeled
DEXRON@-111, becausefluid with that labeils
made especiallyfor your automatic transmission.
Damage caused by fluid other thanDEXRON-111
is not covered by your new vehicle warranty.

After adding fluid, recheck the fluid level as
described under “Howto Check.”

0 When the correct fluid level is obtained, push the
dipstick back in all theway; then flip the handle
down to lock thedipstick in place.

Rear Axle What to Use

When to Check and Change Lubricant Refer to the Maintenance Schedule to determine what
kind of lubricant to use. See “Recommended Fluids and
Refer tothe Maintenance Schedule to determine how Lubricants” in the Index.
often to check the lubricant and when to change it. See
“Scheduled Maintenance Services” in the Index. Engine Coolant

How to Check Lubricant 8The cooling s stem in your vehicleis filled with

If the level is below the DEX-COOL engine coolant. This coolant is designed
bottom of the filler plug to remain in yourvehicle for 5 years or 150,000miles
hole, you’ll need to add
some lubricant. Add enough (240 000 kmg whichever occursfirst, if you add only
lubricant to raise the level
to the bottom of the filler DEX-COOL extended life coolant.
plug hole.
The following explains your cooling system and howto
add coolant when it is low. If you have a problem with
engine overheating, see “Engine Overheating” in the
Index.

A 50/50 mixture of water andDEX-COOL@
coolant will:

0 Give freezing protection down to -34°F (-37°C).

Give boiling protection up to 265 “ F (129”C).

Protect against rust and corrosion.

0 Help keep the proper engine temperature.

0 Let the warning lights and gages work as
they should.

NOTICE: What to Use

When adding coolant, iist important thatyou Use amixture of one-half clean water (preferably
use onlyDEX-COOL@(silicate-free) coolant. distilled) and one-halfDEX-COOL@coolant which
won’t damage aluminum parts. If youuse this mixture,
Ifcoolant other than DEX-COOiLs added to you don’t needto add anything else.

the system, premature engine, heater coreor I
radiator corrosion mayresult. In addition, the
Adding only plain water to your cooling system
--engine coolantwill require change sooner at can be dangerous. Plainwater, or some other
liquid like alcohol, cabnoil before the proper
30,000 miles (50 000 km) or 24 months, coolant mixturewill. Your vehicle’s coolant
whichever occurs first. Damage causebdy the warning systemis set for thperoper coolant
use of coolant other than DEX-COOLis@not mixture. With plain wateor r the wrong mixture,
covered by younrew vehicle warranty. your engine couldget too hot buyt ou wouldn’t
get the overheat warningY. our engine could
catch fire andyou or others could be burned.
Use a 50/50 mixture of clean water and
DEX-COOL@coolant.

6-22

NOTICE: Checking Coolant

If you use an improper coolant mixture, your
engine could overheat and be badly damaged.
The repaircost wouldn’t be covered by your
warranty. Too much water in the mixture can
freeze and crack thengine, radiator, heater core
and other parts.

If you have to add coolant more than four times a year,
have yourdealer check your cooling system.

NOTICE: When your engine is cold, the coolant level shoiAd be at
FULL COLD, or a little higher.
If you use the proper coolanyt,ou don’t have to
add extra inhibitors or additivweshich claimto
improve thesystem. These can be harmful.

Adding Coolant A CAUTION:

If you need more coolant, add the proper DEX-COOL' You can be burned if you spill coolanton hot
coolant mixture at the coolant recovery tank. engine parts. Coolant contains ethylengelycol,
and itwill burn if the engineparts arehot
I enough. Don't spill coolant oan hot engine.

Wrning the radiator pressure cwaphen the Radiator Pressure Cap
engine and radiator are hot calalnow steam
and scalding liquids tbolow out and burnyou The radiator pressure cap must be tightly installed with
badly. With the coolant recovery tanyko,u will the arrows on the cap lined up withthe overflow tubeon
the radiatorfiller neck.
almost never havteo add coolant at the radiator.
NOTICE:
--Never turn the radiator pressure cap even a
--little when the engine and radiator ahroet. Your radiator capis a pressure-type cap and
must be tightly installed to prevent coolloasnst
Add coolant mixture at the recoverytank, but be careful and possible enginedamage from overheating.
not to spill it. Be sure the arrowosn the capline up with the
overflow tube on the radiator fillerneck.

6-24

Thermostat When to Check Power Steering Fluid

Engine coolant temperature is controlled by a thermostat It is not necessaryto regularly check power steering
in theengine cooling system. The thermostat stops the fluid unless you suspect there is a leak in the system or
flow of coolant through the radiator until the coolant you hear an unusual noise. A fluid loss in thissystem
reaches a preset temperature. could indicate a problem. Have the system inspected
and repaired.
When you replace your thermostat, an AC@thermostat
is recommended. How To Check Power Steering Fluid

Power :ring ! When the engine compartment is cool, wipe thecap
and the top ofthe reservoir clean, then unscrewthe
cap and wipe the dipstick with a clean rag. Replace
the cap and completely tighten it. Then remove the
cap again and lookat the fluid level on thedipstick.

The level should be atthe FULL COLD mark. If
necessary, addonly enough fluid to bring the level up
to the mark.

To prevent contamination of brake fluid, never check or
fill the powersteering reservoir with thebrake master
cylinder cover off.

6-25

What toUse Adding Washer Fluid a

To determine what kind of fluid to use, see p I
“RecommendedFluids and Lubricants” in theIndex.
Always use the proper fluid. Failure to use the proper
fluid can cause leaks and damage hoses and seals.

Windshield Washer Fluid

What to Use

When you needwindshield washer fluid, be sure to read
the manufacturer’s instructions before use. If you will be
operating your vehicle in an area where the temperature
may fall below freezing, use a fluid that has sufficient
protection against freezing.

Open the cap labeled WASHER FLUIDONLY. Add
washer fluid until the tank is full.

When using concentrated washer fluid, Brakes
follow the manufacturer’s instructions for
adding water. Brake Fluid
Don’t mix water with ready-to-use washer
fluid. Watercan cause the solution to freeze Your brake master cylinder reservoir is here. It isfilled
and damage your washer fluitdank and with DOT-3 brake fluid.
other partsof the washer system. Also,
water doesn’t cleanas well as washer fluid.
Fill your washer fluidtank only
three-quarters full when it’s very cold.
This allowsfor expansion if freezing occurs,
which could damagethe tank if it is
completely full.
Don’t use engine coolant (antifreeze) in
your windshield washerI.t can damage
your washer systemand paint.

6-27

There are onlytwo reasons why the brake fluid leveiln the Refer to the Maintenance Schedule to determine when

reservoir might go down. The firsits that the brake fluid to check your brakefluid. See “Periodic Maintenance

goes downto an acceptable level duringnormal brake Inspections” in the Index.

lining wear. When new linings are putin, the fluid level
goes back up. The other reason is that fluid is leaking out Checking Brake Fluid

of the brake systemI.f it is, you should have your brake

system fixed, sincea leak means that sooner or later your

brakes won’t work well, or won’t work aatll.

So, it isn’t a good ideato “top off” your brakefluid.
Adding brake fluid won’t correcat leak. Ifyou add fluid
when yourlinings are worn, thenyou’ll have too much
fluid when you get new brake liningsY. ou should add
(or remove) brakefluid, as necessary, only when workis
done on the brakehydraulic system.

If you have too much brake fluid, it can spill on You can checkthe brake fluid without takingoff the cap.
the engine. The fluid will burinf the engineis
hot enough.You or others could be burned, Just look at the brakefluid reservoir. The fluid level
and your vehicle could be damaged. Add brake should be aboveMIN. If it isn’t, have your brake system
fluid only when work is donoen the brake checked to see if there is a leak.
hydraulic system.

6-28

After work is done on the brake hydraulic system, NOTICE:

make sure the level iasbove the MIN but not over Using the wrong fluid can badly damage
the MAX mark or thetop of the window on the side brake system parts. Forexample,just a few
drops of mineral-based oil, suchas engine
of the reservoir. oil, in yourbrake system can damagebrake
system parts so badly that they’ll have to be
What to Add replaced. Don’t let someoneput in the
wrong kindof fluid.
When youdo need brake fluid, use only DOT-3 brake If you spill brake fluid on your vehicle’s
painted surfaces, thepaint finish can be
fluid -- such as Delco Supreme ll@(GM Part damaged. Be careful not to spibllrake
fluid on your vehicleI.f you do, washit off
No. 12377967).Use newbrake fluid froma sealed immediately. See “Appearance Care” in
container only. the Index.

Always clean the brake fluid reservoir cap and the area
around the cap before removing it. This will help keep
dirt from entering the reservoir.

A CAUTION:

With the wrong kind of fluid in youbr rake
system, your brakes may not work wello, r they
may not even workat all. This could causae
crash. Always usethe proper brakefluid.

6-29

Brake Wear Some driving conditions or climates may cause a

Your vehicle hasfront disc brakes and rear drum brakes. brake squeal when the brakes are first applied or
lightly applied. This does not mean something is
Disc brake pads havebuilt-in wear indicators that wrong with your brakes.
make a high-pitched warning sound when the brake
pads are worn and new padasre needed. The sound Properly torqued wheel nuts are necessary to help
may come and go or be heard allthe time your vehicle prevent brake pulsation. Whentires are rotated, inspect
brake padsfor wear and evenly torque wheel nuts in
is moving (except when youare pushing on the brake the proper sequenceto GM specifications.

pedal firmly). Your rear drum brakes don’t have weainrdicators, but
if you ever heara rear brake rubbing noise, have the
r rear brakelinings inspected immediately. Also, the rear
brake drums should beremoved and inspected each time
I the tires are removed for rotation or changing. When
you have thefront brake padsreplaced, have the rear
The brake wear warning sound means that soon brakes inspected, too.
your brakes won’t work well. That could lead to
an accident. When you hear the brake wear Brake linings should always be replaced acsomplete
warning sound, have your vehicle serviced. axle sets.

I NOTICE: See “Brake System Inspection’’ in Secti7onof this
manual under PartC “Periodic Maintenance Inspections.’’
Continuing to drive with worn-out brake pads
could result in costly brake repair. Brake Pedal Travel

See yourdealer if the brake pedal does not returtno
normal height, orif there is a rapid increase in pedal
travel. This could be a sign of brake trouble.

Brake Adjustment Battery

Every time you make a brake stop, your disc brakes Every new vehicle has an ACDelco Freedom@battery.
adjust for wear. You never have toadd water to one of these. When it’s
time for a new battery,we recommend an ACDelco
If your brake pedal goes down farther than normal, your Freedom battery. Getone that has the replacement
rear drum brakes may need adjustment. Adjust themby number shown on the original battery’s label.
backing up and firmly applying the brakes a few times.
If you have a diesel engine, you have two batteries. The
Replacing Brake System Parts primary battery is located on the passenger’s side of the
engine compartment. The second batteryis located on
The braking system on a modern vehicle is complex. the driver’s side framerail.
Its many parts have to be otfop quality and work well
together if the vehicle is to have really good braking. Vehicle Storage
Your vehicle was designed and tested with top-quality
GM brake parts. When you replace parts of your braking If you’re notgoing to drive your vehiclefor 25 days
or more, remove the black, negative (-) cable from
system -- for example, when your brakelinings wear the battery. This will help keep your battery from
running down.
down and youhave to have new ones put in -- be sure

you get newapproved GM replacement parts. If you
don’t, your brakes may no longer work properly. For
example, if someone puts in brake linings that are wrong
for your vehicle, the balance between your front and

rear brakes can change -- for the worse. The braking

performance you’ve come toexpect can change in many
other ways if someone puts in the wrong replacement
brake parts.

6-31

A CAUTION: Bulb . . Replacement

Batteries haveacid that can burnyou and gas Before you replace any bulbs, besure that all the lamps
that canexplode. You can be badly huirftyou are off andthe engine isn’t running.See “Replacement
aren’t careful.See “Jump Starting’’ inthe Index Bulbs” inthe index for the proper typesof bulbs to use.
for tips on working around a battery without
getting hurt. Halogen Bulb.

Contact your dealer tolearn how to prepare your vehicle I A.CAUTION:
for longer storage periods.
Also, for your audiosystem, see “Theft-Deterrent I
Feature” inthe Index.
Halogen bulbs have pressurized gas inside and
can burstif you drop or scratch the bulbY. ou or

-1others could be injuredB.e sure to read and
follow the instructions poanckage. the bulb

Headlamps

You have either a sealed beam headlamp system or a
composite system.

Sealed Beam Headlamps

I 2. Unplug the lamp assembly from the connector.
3. Install a new headlamp.
1. Remove the four screws from the headlamp retainer. 4. Reverse the previous steps to reinstall the headlamp.
Pull the retainer out and set it aside.

Composite Headlamps
1. Open the hood.
2. Locate the rear side of each of the headlamps.

5. Install a new bulb. Do not handle the glass part
of thebulb.

6. Reverse the previous stepsto reinstall the headlamp.

3. Without removing the headlamp assembly itself,
remove the bulb assembly from the backof the
headlamp on the driver’s side by turning the bulb
to the left one quarter of a turn.

4. On the passenger’s side, turn thebulb to the right
one quarter of a turn. Also, toremove the bulbon the
passenger’s side, you will need to move the battery.

6-34

Front Parkin-rn Signal Lamps

To replace the front parkingkurn signal lamps:

2. Remove the lamp from the grille.
1. Remove the outer screws from the parkinghrn

signal lamp lens assembly. (There are either two or
four screws, depending on your vehicle’s trim level.)

Sidemarker Lamps

3. Squeeze the tab on the side of the bulb assembly 1. Remove the screwfrom the top of the lens.
while turningit to the left. Remove thebulb
assembly from the backof the lens and replace
the bulb.

Reverse Steps 2 and 3 to replace the bulb. Turn
the socket to the rightto replace it in thelens
assembly. Replace the screwson the parking/turn
signal lamp assembly.

6-36

Taillamps

1. Open the rear door.

2. Unclip the bottom of the lamp from the grille. 2. Push the socket protector until you can see
the fasteners.
3. Remove the bulb by twisting it out of the socket.
Turn the bulb to remove it. Install the new bulb.

4. Reverse these steps to reinstall the lamp.

6-37

I

3. Remove the nuts with a deep socket wrench. 4. Remove the hidden upper nuts.

6-38

5. Lift the lamp as you
rotate it toward the rear
of the vehicle.

6. Squeeze the tab on the side of the sockets while
turning themto the left to remove.

6-39

I Windshield Wiper
BladRe eplacement

7. Turn the bulb to the left toremove it. Install the See “Normal Maintenance Replacement Parts” in the
new bulb. Index for the proper type of replacement blade.

8. Reverse the above steps to reinstall the lamp. Replacement blades come in different types andare
removed in different ways. To remove the type with a
6-40 release clip:

1. To remove the old wiperblades, lift the wiper arm
until it locks into a vertical position.

2. Press down on the blade assembly pivot locking tab. A CAUTIOI.:
Pull down on the blade assembly to release it from
the wiper arm hook. Poorly maintained and improperlyused tires
are dangerous.
3. Remove the insertfrom the blade assembly. The 0 Overloading your tires can cause
insert has two notches at one end that are locked by
bottom claws of the blade assembly. Atthe notched overheating asa result of too much friction.
end, pull the insert from the blade assembly. You could havean air-out and a serious
accident. See “Loading YouVr ehicle” in
4. To install the newwiper insert, slide the notched the Index.
end last, into the end with two blade claws. Slide 0 Underinflated tirespose the same danger
the insert all the way through the blade claws atthe as overloaded tires. The resulting accident
opposite end. could cause serious injury. Check all tires
frequently to maintain the recommended
5. Be sure that the notchesare locked by the bottom pressure. Tire pressure should be checked
claws. Make sure that all other claws areproperly when your tiresare cold.
locked on both sides of the insert slot. 0 Overinflated tires are molriekely to be

6. Put the blade assembly pivot in the wiper arm --cut, puncturedor broken by a sudden
hook. Pull up until thepivot locking tab locks in
the hook slot. impact such as whenyou hit apothole.
Keep tiresat the recommended pressure.
7. Carefully lower the wiper arm and blade assembly 0 Worn, old tires can cause accidenItfs.your
into the windshield. tread is badly worn,or if your tires have
been damaged, replacethem.
Tires
6-41
Yo%fS%%vvehicle comes with high-quality tires made by
a leading tire manufacturer. If you ever have questions
about your tire warranty and where to obtain service, see
your GM Warranty bookletfor details.

Inflation -- Tire Pressure NOTICE: (Continued)

The Certificationrnire label, which ison the rear edge of If your tires have too mucahir (overinflation),
the driver’s door,shows the correct inflation pressures you can get thefollowing:
for your tires when they’re cold. “Cold” means your
vehicle has beensitting for at least three hoursor driven Unusualwear
no more than 1 mile (1.6km). 0 Badhandling
0 Roughride
NOTICE: 0 Needless damage from road hazards.

Don’t let anyone tellyou that underinflation or When to Check
overinflation is all right. It’s not. Ifyour tires Check your tires once a month or more. Also, check the
don’t have enough air (underinflationy)o,u can tire pressureof the spare tire.
get thefollowing:
0 Too much flexing

Too much heat
0 Tireoverloading
0 Badwear
0 Badhandling

Bad fuel economy.
NOTICE: (Continued)

How to Check The purpose of regular rotation is to achieve more
uniform wear for all tires on the vehicle. The first
Use a good quality pocket-type gage to check tire rotation is the most important. See “Scheduled
pressure. You can’t tell if your tires are properly inflated Maintenance Services” in the Indexfor scheduled
simply by looking at them. Radial tires may look rotation intervals.
properly inflated even whenthey’re underinflated.
If your vehicle hassingle rear wheels, always useone of
Be sure to put the valvecaps back on the valve the correct rotation patternsshown here when rotating
stems. Theyhelp prevent leaks by keeping out dirt your tires.
and moisture.

Tire Inspection and Rotation

Tires should be rotated every 6,000 to 8,000 miles
(10 000 to 13 000 km). Any time you notice unusual
wear, rotate your tires as soon as possible and check
wheel alignment. Also check for damaged tires or
wheels. See “When It’sTime for New Tires” and
“Wheel Replacement” later in this section for more
information. If your vehicle has dual rear wheels,
also see “Dual Tire Operation” later in this section.

6-43

If your vehicle has dual rear wheels, always uosnee of A CAUTION:
the correct rotation patterns shown here when rotating
your tires. Rust or dirt onwaheel, or on the parts towhich
it is fastened, can makwe heel nuts become loose
When you install dual wheels, besure the vent holes in after a time. The wheel could comeoff and cause
the innerand outer wheels on each side are lined up. an accident. Whenyou change a wheel, remove
any rust or dirt from places wherewhtheel
After the tires have been rotateda, djust the front attaches to thevehicle. In anemergency, you can
and rear inflation pressuresas shown on the use a clothor a papertowel to dothis; but be
Certificationflire label. Make certain that all wheel sure to use a scraper or wire brush iflaytoeur,
nuts are properly tightened.See “Wheel Nut Torque’’ need to, to get all the rust or diorftf. (See
in the Index. “Changing a Flat Tire” in the Index.)

6-44

When It’s Time forNew Tires The tire has a bump, bulge or split.

One way to tell when it’s The tire has a puncture, cut or other damage that
time for new tiresis to can’t be repaired wellbecause of the sizeor location
check the treadwear of thedamage.
indicators, which will
appear when your tires have Dual Tire Operation
only 1/16 inch (1.6 mm) or
less of tread remaining. When the vehicle is new,or whenever a wheel, wheel
Some commercial truck bolt or wheel nut isreplaced, check the wheel nut
tires may not have torque after 100, 1,000and 6,000 miles (160, 1 600 and
treadwear indicators. 10 000 km) of driving. For proper torque,see “Wheel
Nut Torque” in theIndex.
You need a new tire if any of the following statements
are true: The outer tire on a dual wheel setup generally wears
faster than the inner tire. Your tires will wearmore
You can see the indicators at three or more places evenly and last longer if you rotate the tires periodically.
around the tire. If you’re going to be doing a lot of driving on
high-crown roads, youcan reduce tire wear by adding
You can see cord or fabric showing through the 5 psi (35 kPa) to the tire pressure in the outer tires. Be
tire’s rubber. sure to return to the recommended pressures whenno
longer driving under those conditions.See “Changing a
0 The tread or sidewall is cracked, cut or snagged deep Flat Tire” in the Index for more information.
enough to show cord or fabric.

6-45

I A CAUTION: If you ever replace your tires with thosenot having a
TPC Spec number, make sure theyare the same size,
If you operate yourvehicle witha tire thaits load range, speed ratingand construction type (bias,
badly underinflated, the tire can overheaAt.n bias-belted or radial) as your original tires.
overheated tire canlose air suddenly or catch
fire. You or others could be injureBde. sure all Mixing tires couldcause you to lose control while
tires (including the sparea)re properly inflated. driving. If you mix tires of different sizesor types
(radial and bias-belted tires), thvehicle may not
Buying New Tires handle properly, andyou could have a crash.
Using tires of different sizes may also cause
To find out what kind andsize of tires you need, look at damage to your vehicle. Be sure touse thesame
the CertificatiodTire label. size and type tireson allwheels.

The tires installed on your vehicle when it was newhad
a Tire PerformanceCriteria Specification (TPC Spec)
number on each tire’s sidewall. When youget new tires,
get ones with that sameTPC Specnumber. That way
your vehicle will continueto have tires that are designed
to give properendurance, handling, speed rating,
traction, ride and other things during normal service
on your vehicle.If your tires havean all-season tread
design, the TPC number will befollowed by an “MS”
(for mud and snow).

TIION: While the tires available on General Motors passenger
cars and light trucks may vary with respectto these
If you usebias-ply tireson your vehicle, the grades, they must also conform to Federal safety
wheel rim flanges could develop cracks after requirements and additional General Motors Tire
many miles of drivingA. tire and/orwheel could Performance Criteria (TPC) standards.
fail suddenly, causinga crash. Use onlyradial-ply
tires with the wheels on your vehicle. Treadwear

Uniform Tire Quality Grading The treadwear grade is a comparative rating based on
the wear rateof the tire when tested under controlled
The following information relates to the system conditions on a specified government test course. For
developed by the United States National Highway example, a tire graded 150 would wear one and a
Traffic Safety Administration, which grades tiresby half (1 1/2) times as well on the government course
treadwear, traction andtemperature performance. as a tire graded 100. The relative performance of tires
(This applies only to vehicles sold in theUnited depends upon the actual conditions of their use,
States.) The grades are molded on thesidewalls of however, and may depart significantly from the norm
most passenger car tires. The Uniform Tire Quality due to variations in driving habits, service practices
Grading system does not apply to deep tread, and differences in road characteristics andclimate.
winter-type snow tires, space-saver or temporary
use spare tires, tires with nominal rimdiameters of
10 to 12 inches (25 to 30 cm), or to some
limited-production tires.

---action A, B, C under the Federal Motor Vehicle Safety Standard
No. 109. Grades B and A represent higher levels of
The traction grades,from highest to lowest, are A, B, performance on the laboratory test wheel than the
and C, and they represent the tire’s abilityto stop on minimum required by law.
wet pavementas measured undercontrolled conditions
on specified government testsurfaces of asphalt and Warning: The temperature grade for this tire is
concrete. A tire markedC may have poor traction established for a tire that is properly inflated and
performance. not overloaded. Excessive speed, underinflation,or
excessive loading, either separatelyor in combination,
Warning: The traction grade assigned to this tire is can cause heat buildup and possibletire failure.
based on braking (straightahead) traction tests and
does not include cornering(turning) traction. Wheel Alignment ant ’eBalance

--Temperature A, B, C The wheels on your vehicle werealigned and balanced
carefully atthe factory to give you the longesttire life
The temperature grades are A (the highest), B, and C, and best overall performance.
representing the tire’sresistance to the generationof
heat and its abilityto dissipate heat when tested under Scheduled wheel alignment and wheel balancing are
controlled conditionson a specified indoor laboratory not needed. However,if you notice unusual tire wear
test wheel. Sustainedhigh temperature can cause the or your vehicle pullingone way or the other, the
material of thetire to degenerate and reducetire life, alignment may needto be reset.If you notice your
and excessive temperature can lead to sudden tire vehicle vibrating whendriving on a smooth road,
failure. The grade C corresponds to a levelof your wheels may needto be rebalanced.
performance which all passengercar tires must meet

6-48

Wheel Replacement I A CAUTION:

Replace any wheel that is bent,cracked, or badly Using the wrong replacemenwt heels, wheel
rusted or corroded. If wheel nuts keep coming loose, bolts or wheel nuts on your vehicle can be
the wheel, wheel bolts and wheel nuts shouldbe dangerous. It could affect the braking and
replaced. If the wheel leaks air, replace it (except some handling of your vehicle, make your tirelsose
aluminum wheels, which can sometimes be repaired). air and makeyou lose control. You could have
See your dealer if any of these conditions exist. a collision in which you or others couldbe
injured. Always use the correctwheel, wheel
Your dealer will knowthe kind of wheelyou need. bolts andwheel nuts for replacement.

Each new wheel should have the same load-carrying I NOTICE:
capacity, diameter, width, offset and be mounted the
same way as theone it replaces.

If you need to replace any of your wheels, wheel bolts
or wheel nuts, replace them only with newGM original
equipment parts. This way, you will besure to have the
right wheel, wheel bolts and wheel nutsfor your vehicle.

The wrongwheel can also cause problemwsith
bearing life, brake cooling, speedometer or
odometer calibration, headlamp aim, bumper
height, vehicleground clearance and tire or tire
chain clearance to thbeody and chassis.

Whenever a wheel, wheebl olt or wheel nut is replaced NOTICE:

on a dual wheel setup, check the wheel nut torquaefter Use tire chainsonly where legal and only when you
100, 1,000and 6,000 miles (160, 1 600 and 10000 km) must. Use chains that are the propesrize for your
tires. Install themon the tiresof the rearaxle.
of driving. For proper torque,see “Wheel Nut Torque’’
in the Index. Tighten them as tightly as possible with the ends
See “Changing a Flat Tire” in the Indexfor more securely fastened. Driveslowly and follow the
information. chain manufacturer’s instructionsI.f you can
hear the chains contacting yovuerhicle, stop
Used Replacement Wheels and retighten themI.f the contact continues,
slow down until it stops. Driving too foarst
Putting aused wheel on yourvehicle is spinning thewheels with chains onwill
dangerous. You can’t knowhow it’s been usedor damage yourvehicle.
how far it’s been driven.It could fail suddenly
and cause an accident. Ifyou have to replacea
wheel, use a new GM original equipmentwheel.

6-50

Appearance Care Don’t use any of these unless this manuasl ays you can.
In many uses, these willdamage your vehicle:
Remember, cleaning products can be hazardous. Some
are toxic. Others can burst into flame if you strike a Alcohol
match or get them on a hot partof the vehicle. Some are
dangerous if you breathe their fumes in a closed space. Laundry Soap
When you use anything from a container to clean your
vehicle, be sure to follow the manufacturer’s warnings Bleach
and instructions. And always open your doors or
windows when you’re cleaning the inside. ReducingAgents

Never use these to clean your vehicle: Cleaning the Insideof Your Vehicle

0 Gasoline Use a vacuum cleaner often to get ridof dust andloose
dirt. Wipe vinyl, leather, plastic and paintedsurfaces
0 Benzene with a clean, damp cloth.

0 Naphtha Your dealer hastwo cleaners, Multi-Purpose Interior
Cleaner and Capture Non-SolventDry Spot and Soil
0 Carbon Tetrachloride Remover for cleaning fabric and carpet. They will
clean normal spots andstains very well. You can get
0 Acetone GM-approved cleaning products from your dealer.(See
“Appearance Care and Materials’’in the Index.)
0 Paint Thinner
Here aresome cleaning tips:
0 Turpentine
Always read the instructions on the cleaner label.
0 Lacquer Thinner
0 Clean up stains as soon as you can -- before they set.
0 Nail Polish Remover
Carefully scrape off any excess stain.
They can all be hazardous -- some more than
others -- and they can all damage your vehicle, too. 0 Use a clean cloth or sponge, and change toa clean area
often. A soft brush may be used if stains are stubborn.

If a ring forms after spot cleaning, clean the entire
area immediatelyor it will set.

Using Multi-Purpose Interior Cleaner Special Fabric Cleaning Problems
on Fabric
Stains caused by such things as catsup, coffee (black),
1. Vacuum and brushthe area to remove any loose dirt. egg, fruit, fruit juice, milk, soft drinks, vomit, urine and
blood can be removed as follows:
2. Always clean a whole trimpanel or section. Mask
surroundingtrim along stitch or welt lines. 1. Carefully scrape off excess stain, then sponge the
soiled area with cool water.
3. Mix powderedcleaner following the directions on
the container label to form thick suds. 2. If a stain remains, follow the multi-purpose interior
cleaner instructions described earlier.
4. Use suds only and apply with a clean sponge. Don’t
saturate the material and don’t rub it roughly. 3. If an odor lingers after cleaning vomit or urine,
treat the area with a waterhaking soda solution:
5. As soon as you’ve cleaned the section, use a sponge 1 teaspoon (5 ml) of baking soda to 1cup (250 ml)
to remove the suds. of lukewarm water.

6. Wipe cleaned area with a clean, damp towel or cloth. 4. Let dry.

7. Wipe witha clean cloth and let dry. Stains caused by candy, ice cream, mayonnaise, chili
sauce and unknown stains can be removedas follows:

1. Carefully scrape off excess stain.

2. First, clean with cool water and allow IO
dry completely.

3. If a stain remains, follow instructions for
Multi-Purpose Interior Cleaner.

6-52

ric Protection Cleaning Leather

lour vehicle has upholstery and carpet that has been Use a soft cloth with lukewarm water and a milsdoap Or
treated with Scotchgard Fabric Protector,a3M saddle soap and wipe dry with asoft cloth. Then, let the
product. It protects fabrics by repelling oil and water, leather dry naturally.Do not use heatto dry.
which are the carriers of most stains. Even with this
protection, you still needto clean your upholstery and For stubborn stains, use a leather cleaner. See your
carpet often to keep it looking new. dealer for this product.

Further information on cleaning is available by calling Never use oils, varnishes, solvent-based or abrasive
1-800-433-3296 (in Minnesota, 1-800-642-6167). cleaners, furniture polish or shoe polish on leather.

Cleaning Vinyl Soiled or stained leather should be cleaned
immediately. If dirt isallowed to work into the
Use warm water and aclean cloth. finish, it can harm the leather.

Rub with a clean, damp cloth to remove dirt. You Cleaning theTop of the Instrument Panel
may have to do it more than once.
Use only mildsoap and waterto clean the top surfaces
Things like tar, asphalt and shoe polish will stain of the instrument panel. Sprays containing silicones or
if you don’t get them off quickly.Use a clean waxes maycause annoying reflections in the windshield
cloth and a vinyl/leather cleaner.See your dealer and even make it difficult tosee through the windshield
for this product. under certain conditions.

Cleaning Interior Plastic Components

Use only a mildsoap and water solution on a soft
cloth or sponge. Commercial cleaners may affect the
surface finish.

Care of Safety Belts Cleaning the Outsideof the
Windshield and Wiper Blades
Keep beltsclean and d

II If the windshield is not clear after using the windshield
washer, or if the wiper blade chatters when running, wax,
sap or other material may be on the bladoer windshield.

Do not bleach or dye safety belItfs.you do,it Clean the outside of the windshield withGM Windshield
may severely weaken them. In a crash, they Cleaner, BonA m i @ Powder (non-scratching glass

cleaning powder), GM Part No. 105OO11.The windshield

might not be able to provide adequate protection. is cleanif beads do not form when you rinse it with water.

Clean safety belts only with mild soap and Grime from the windshield will stictko the wiper blades
lukewarm water. and affect their performance. Clean the blade by wiping

vigorously with a cloth soaked in full-strength windshield

Cleaning Glass Surfaces washer solvent. Then rinse the blade withwater.

Glass should be cleanedoften. GM Glass Cleaner (GM Check thewiper blades andclean them as necessary;
Part No. 1050427) or a liquid household glasscleaner replace blades that look worn.
will remove normal tobaccosmoke and dustfilms on
Weatherstrips
interior glass.
Silicone grease on weatherstrips will make them last

Don’t useabrasive cleaners on glass, because they longer, seal better, andnot stick or squeak. Apply
may cause scratches. Avoid placing decalson the inside silicone grease with a clean clothat least every six
rear window, sincethey may haveto be scrapedoff later. months. During verycold, damp weather morefrequent
If abrasive cleaners are used on the insideof the rear application may be required. (See “Recommended
window, an electric defogger element may bedamaged. Fluids and Lubricants’’in the Index.)
Any temporary licenseshould not be attachedacross the

defogger grid.

Cleaning the Outsideof Your Vehicle Cleaning Exterior LampsLenses

The paint finish on your vehicle provides beauty, depth Use lukewarm or cold water, a soft cloth and a liquid
of color, gloss retention and durability. hand, dish or carwashing (mild detergent) soap to clean
exterior lamps and lenses. Follow instructions under
Washing Your Vehicle “Washing Your Vehicle.”

The best way to preserve your vehicle’s finish is to Finish Care
keep it clean by washing it often with lukewarm or
cold water. Occasional waxing or mild polishing of your vehicle by
hand may be necessary to remove residue from the paint
Don’t wash yourvehicle in the direct rays of the sun. finish. You can get GM-approved cleaning products
Don’t use strong soaps or chemical detergents. Use from your dealer. (See “Appearance Care and Materials”
liquid hand, dish or car washing (mild detergent) soaps. in the Index.)
You can get GM-approved cleaning products from your
dealer. (See “Appearance Care and Materials” in the Your vehicle may have a “basecoatklearcoat” paint
Index.) Don’t use cleaning agents that are petroleum finish. The clearcoat gives more depth and gloss to the
based, or that contain acid or abrasives. All cleaning colored basecoat. Always use waxes and polishes that
agents should be flushed promptly and not allowed to are non-abrasive and made for a basecoatklearcoat
dry on the surface, or they could stain. Dry the finish paint finish.
with a soft, clean chamois or an all-cotton towel to
avoid surface scratches and water spotting. II NOTICE: I

High pressure car washes may cause water to enter Machine compounding or aggressive polishinogn
your vehicle. a basecoatklearcoat paint finishmay dull the
finish or leave swirl marks.

Foreign materials suchas calcium chloride and other Cleaning Aluminum Wheels
salts, ice melting agents, roadoil and tar, tree sap, bird (If Equipped)
droppings, chemicals from industrial chimneys, etc., can
damage your vehicle’s finishif they remainon painted Keep your wheelsclean using a soft cleancloth with
surfaces. Wash the vehicle as soonas possible. If mild soap and water. Rinse withclean water. After
necessary, use non-abrasive cleaners that are marked rinsing thoroughly, dry witha soft clean towel. A wax
safe for painted surfaces to remove foreign matter. may thenbe applied.

Exterior painted surfaces are subject to aging, weather The surfaceof these wheels issimilar to the painted
and chemical fallout that can take their toll ovaerperiod surface of your vehicle. Don’t use strong soaps,
of years. You can help tokeep the paint finishlooking chemicals, abrasive polishes,abrasive cleaners or
new by keeping yourvehicle garaged or covered abrasive cleaning brushes on them because you could
whenever possible. damage the surface.

Protecting Exterior Bright Metal Parts Don’t take your vehicle throughan automatic car wash
that has silicon carbide tirecleaning brushes. These
Bright metal parts should bceleaned regularly to keep brushes canalso damage thesurface of these wheels.
their luster. Washing with water is all that is usually
needed. However, you mayuse chrome polish on
chrome or stainless steeltrim, if necessary.

Use special care with aluminum trim. To avoid
damaging protective trim,never use auto or chrome
polish, steam or caustic soap to clean aluminum. A
coating of wax, rubbedto high polish, is recommended
for all bright metal parts.

Cleaning Tires Sheet Metal Damage

To clean your tires, use a stiff brush witha tire cleaner. If your vehicle isdamaged and requiressheet metal
repair or replacement, make sure the bodyrepair shop
NOTICE: applies anti-corrosion material to the parts repaired or
replaced to restore corrosion protection.
When applying a tire dressing always take care
to wipe off any overspray or splash from all Finish Damage
painted surfaces on the bodory wheels of the
vehicle. Petroleum-based productms ay damage Any stone chips, fractures or deepscratches in the finish
the paint finish. should be repaired right away.Bare metal willcorrode
quickly and maydevelop into a majorrepair expense.

Minor chips and scratches can be repaired withtouch-up
materials available from your dealer or other service
outlets. Larger areas of finish damage can be corrected
in your dealer’s body and painsthop.

Underbody Maintenance Chemical Paint Spotting

Chemicals usedfor ice and snow removal and dust Some weather and atmosphericconditions can create
control can collect on the underbody.If these are not a chemical fallout. Airborne pollutants canfall upon
removed, accelerated corrosion (rust) can occur on and attack painted surfaces on your vehicle. This
the underbodyparts such as fuel lines, frame, floor damage can take two forms: blotchy, ringlet-shaped
pan andexhaust system even though they have discolorations, and small irregular darkspots etched
corrosion protection. into the paint surface.

At least every spring,flush these materials from the Although no defect in the paint job causes this, GM
underbody with plain water. Clean any areas whemreud will repair, at no charge tothe owner, the surfaces of
and other debris cancollect. Dirt packedin closed areas new vehicles damagedby this fallout condition within
of the frame should be loosened before beinfglushed. 12 months or 12,000 miles (20 000 km) of purchase,
Your dealer or an underbody car washing system can do whichever occursfirst.
this for you.
This applies only to materials manufactured and solbdy
General Motors. Bodies, body conversionosr equipment
not made or sold by General Motors are not covered.

Appearance Care Materials Chart

PART NUMBER SIZE DESCRIPTION USAGE

994954 23 in. x 25 in. Polishing Cloth- Wax Treated Exterior polishing cloth

1050172 16 oz. (0.473 L) Tar and Road OilRemover Removes tar, roadoil and asphalt

1050173 16 oz. (0.473 L) Cleaner and Polish Use on chrome, stainless steel, nickel, copper and brass Chrom

1050174 16 02. (0.473 L) White Sidewall Tire Cleaner Removes soil and black marksfrom whitewalls

1050214 32 02. (0.946 L) Vinyl Cleaner Cleans vinyl tops, upholstery and convertible tops

1050427 23 oz. (0.680 L) Glass Cleaner Removes dirt, grime, smoke and fingerprints

1052870 16 oz. (0.473 L) Wash Wax Concentrate Cleans and li-ghtly waxes

1052918** 8 oz. (0.237 L) ArmoAr ll Protectant Protects leather, wood, acrylics, PlexiglasN , plastic,
rubber .a.n_d_vi_nyl

1052925 16 oz. (0.473 L) Multi-Purpose Interior Cleans carpets, seats, interior trim, door panels
Cleaner and floor mats

1052929 16 oz. (0.473 L) Wheel Cleaner Spray on and rinse with water

1052930 8 02. (0.237 L) Capture Dry Spot Remover Attracts, absorbs and removes soils

12345002 16 02. (0.473 L) Armor All Cleaner Cleans and shines a variety of surface types

12345721 2.5 sq. ft. Synthetic Chamois Shines vehicle without scratching

12345725 12 oz. (0.354 L) Silicone Tire Shine Spray ontire shine

12377964 16 02. (0.473 L) Finish Enhancer Removes dust, fingerprints and surface contaminants

12377966 16 02. (0.473 L) Cleaner Wax Removes light scratches and oxidation and protects finish

12377984 16 02. (0.473 L) Surface Cleaner Removes contaminants, blemishes and swirl marks

See your General Motors Parts Department for these products. ** Not recommended for use on instrumentpanel vinyl.
See “Fluids and Lubricants’’ inthe Index.

6-59

Vehicle Identification Number (VIN) Service Parts Identific~ on Label

Ir;hl SAMPLE4UXWM072675 kl YOU'^^ find this labelon the front passenger door frame.
It’s very helpfulif you ever need to order parts. On this
This is the legal identifierfor your vehicle. Itappears on label is:
a plate in the frontcorner of the instrument panel,on the
driver’s side. You can see it if you look through the yourVIN,
windshield from outside your vehicle.The VIN also
appears on the Vehicle Certification and Service Parts e the modeldesignation,
labels and the certificatesof title and registration.
paintinformationand
Engine Identification
e a list of all production options and
The 8th character in your VIN is the engine code. This special equipment.
code will help you identify your engine, specifications
and replacement parts. Be sure that this label is not removefdrom the vehicle.

Electrical System Headlamp Wiring

Add-on Electrical Equipment The headlamp wiring is protected by a circuit breaker in
the lamp switch. An electrical overload will cause the
NOTICE: lamps to flicker on and off,or insome cases to remain
off. If this happens, have your headlamp wiring checked
Don’t add anything electricatlo your vehicle right away.
unless you check with your dealer first. Some
electrical equipment can damage your vehicle Windshield Wiper Fuses
and the damage wouldn’t be covered by your
warranty. Someadd-on electrical equipment The windshield wiper motor is protected by acircuit
can keep other components from workinags breaker and afuse. If the motoroverheats due toheavy
they should. snow, etc., the wiper willstop until the motorcools.
Although the circuitis protected from electrical
Your vehicle has an air bag system. Before attempting to overload, overload due to heavy snow,etc., may cause
add anything electrical to your vehicle, see “Servicing wiper linkage damage. Always clear ice and heavy snow
Your Air Bag-Equipped Vehicle” in the Index. from the the windshieldbefore using the windshield
wipers. If the overload is caused by some electrical
problem and not snow, etc., be sure to get it fixed.