Page 265 of 404
Air Cleaner
2,ZL Engine
To .fernme this air cieaner, remove the. wing nuts that
hold the cover
on. Remove the cover and lift out the
air filter.
Insert
a new air filter, then replace the air cleaner cover?
Tighten the. wing nuts to hold the cover in place.
4
:f
.I
18
“VORTEC” 43.00 Engine
To remove this air cleaner, remove the wing nuts that hold
the cover
on. Remove the cover and lift out the air filter.
Insert a new
air filter, then replace the air cleaner cover.
Tighten the wing
nuts to hold. the cover in place.
Re€er to the Maintenance Schedule to determine when to
replace ,the air Tilter.. See “Scheduled Maintenance
Services”
in the Index.
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Page 266 of 404
Refer to the Maintenance Schedule to determine when to
replace the air filter. See “Scheduled Maintenance
Services”
in the Index.
Operating th, dnginc .Ah the air cleaner off can
cause
you or others to be burned. The air cleaner
not .only cleans the .air, it stops flame if .the, engine.
backfires.
If it isn’t there, and the engine
backfires,
you .cotild be .burned. Don? drive with
it off, and:be. careful working on the engine with
the
air cleaner off:
NOTICE:
If ‘the air -cleaner .is off, a backfire can cause a
damaging engine:f?re.
And, dirt can easily- get
into your engine, which
will damage it. Always
have the air cleaner inplace when you’re drfving.
Automatic Transmission Fluid
When to Check and Change
A good time to check your automatic transmission-fluid
level kwhen.
the. engine oil is changed.
Change
both the fluid, and filter every 15,OO.O miles
(25 -000 km) if the vehicle is mainly driven under .one-or
more .of these conditions:
0 In heavy city traffic where the outside temperature.
In hilly or mountainous terrain.
When doing .frequent trailer towing,
Us - - such as fo.und.in taxi, - 1ice:Qr de1ivery:semice.
If you do not us.e your vehicle under any of these
conditions,, change
the fluid and filter every
50,000 miles -(83 000 km).
See “Scheduled Maintenance Services” in the Index..
regularly reaches190”F
(32°C) or
higher.
How .to Check
Because this, operation can be a little difficult, you
may choose to have-this done at your GM-dealership
Service Department.
6-17
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Page 268 of 404
With the parking.brake applied, place. the shift lever
With your foot on the brake pedal, mow the shift
lever through each
gear range, p.ausing..fox about
three seconds in each range. Then, position the shift
lever in PARK (P).
* Let. the engine run at idle for three minutes or- more.
Then, without shutting off the engine, follow
these steps: .in
PARK (P).
1. Fiip the handle up
.the dipstick and wipe it
with a clean
rag
or paper towel.
and then pull OW.
2. Push it back inall the way, wait three seconds and
then pull it back out again,
3. Check b-0th sides of the dipstick, tind read the lower
level. The fluid level must be in the %OLD area for a.
cold check or in the HUT area or cross-hatched area
€or 'a hot check.
4. If fhe fluid level is in the acceptable l'aJlge, push the
I dipstick back in all the way; then flip the handle
down to lock the dipstick in place,
6-19
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Page 269 of 404
How Eo Add Fluid Mal Transmission Fluid
NOTICE:
We recormmend you use only fluid labeled
DEXRON@-III, because fluid with that.labe1 is
made especially for your automatic transmi.ssion.
Damage‘caused
by .fluid other than DEXRCWIU
iimot covered byyaw. new vehicle warranty.
0 After adding fluid, recheck the fluid level. as
described under “How to Check.’-’.
When t.0 Check
A. go.od. time: tu .have it checked. iswhe,n the .engine. oil is
changed. Howevea, the,:fluid in your mariuai
transmission doeW t require changing..
How to Chec.k
Because.this opegation cm :be.-a.little difficult, you
may choose to.have thirdwe at your GM dealershjp
Kyou do .it -yourself, be ,sure t~ €daw :all the.
instructions here, or yau could -get a %aise.,reading.
Serv@e-Department.
NO’nCE-:
Too much or too little: fluid can dmage’yaur.
trangmission, Tor, -much cam mean thatsome d’
the fluid could come out~-md.:€all on hiat gri-gine
parts-or exhaust system parts, starting a fire. .Be
sure. to get an. accurate reading if you check your
transmission fluid.
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Page 270 of 404
Check the fluid level only when your engine is off, the
vehicle
is parked ‘on a level place and the transmission is
cool enough for you to
rest your fingers on the
tfammission
case.
Then, follow these steps:
How -to Add Fluid
Here’s how to add fluid. Refer to^ the Mainteilance.
Schedule
to .determine what kind-of fluid twuse. See
“Recommended Fluids
and Lubricants” in the Index.
1.
-2 a
3.
Remove the ‘filler plug.
Add fluid at the filler plug hole. Add only enough
fluid
to bring the -fluid level up to. the bo.ttrrm &the.
filler-plug h-ole,
Imtall the filter pug.
Be sure. the plug 1s fully seated.
1. Remove the filler plug.
2. Check that the lubricant level is. up to the botrarnar
the filler plug hole.
3. If the fluid level is. good, install the plugand be sure
.tt is fully seated. If the-fluTd Ievel is low, add more
fluid as described in the next steps.
Hydraulic Clutch
The hydraulic clutch system in ywr. vehicle is
.self-,adjusting. A slight amaunt of play (1/4 inch to-
1/2.inch or 6 mm to 112 m) in the.pedai:is normal.
It isn’t
a good idea to. “top off’ your clutch fluid. Adding
fluid
won’t correct a. leak. A fluid loss in this system
could indicate a pmblern, Have the system hspected
and repaired..
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Page 274 of 404
When the differential is cola, aaa enough lubricant
raiise. the level to 1/2 inch
(1 2 .m) below the filler
plug hole.
When the differential is’ at operating. temperature.
(warn), add enough lubricmt to raise the level to the
b-ottom of the filler plug hole.
what to Use
Refer to the Maintenance Schedule. to determine what
kind
of lubricant to use. See “Recommended. Fluids and
Lubricant$’
in the Index.
Engine Coolw
The mob- -s stem in y,our-vehicle i.s filled with
DES-COUL engine coolant. This c:oolant.is devigned
to. remain in your vehicle for 5: years or 150,OO.Q miles
(240 000 km) whichever occurs, first, ifyou add,only
DEX-COOL’ extended lifecoolant.
The
following. expl.&s your cooling system and hcwto
add:cool&tt
whenit is low. If you have a problem with
engine overheating,
see “Engine. Overheating” .in
the Index.
-
(8
A 5-0/56mm~ure -or ner and DEX-COOL@
coolant will:
Give freezing protection down to- -34O.F (-37 O C>.
Give boiling protection up to 265°F (129°C).
Protect against rust and cormsim.
Help keep the proper engine temperature.
a Let the waning lights and gages, -work as
they ‘should.
I
NOTICE:
When addmg coolant, it-is important that you .me
on~y DEX-COOL@- (silicgtelfree) coolant.
.If c-oolant other than DEX-COOL isladded to the
system, premature engine, heater core .or
radiator corrosiron may result. In addition,. the-
engine coolant
will require-change sooner - at
30,000 miles (50 000 km) or 24 months,
whichever occurs first. Damage -caused
by the use
.of coolant other than UEX=COOL@ is not
covered by your new vehicle. warranty.
61-25
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Page 275 of 404
t
W.hat to ..Use.
I NOTICE:
If yo,u use.an improper caol~antmix~ture, your
engine could dverheat and b'e- badly damaged-.
The repair cost
wouldn? be,cov.ered by yaw:
warranty. Too much wqter in. the mixture: can
freeze ,and crack the engine, radi'atm; heater c:ore
and otheP:parts,
If YOU have- tu add, coolant mare than €our tjmes .a year,
have your dealer check yo,^ c:soling.system.
I NOTICE:
If you use-the- proper coolant, you dodt have to
add extra inhibitors or additives which dah .to-
improve the
~ystem. These can ..be harmful.
6-26.
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Page 276 of 404
r-
You can be burned if you-spil1 coolant-on hot
engine
parts,. Cloolant c.ontains ethylen;e..glycoI,
and it will. burn if the e.ngine parts are hat
enough. Don't spill codant;on a hot enghe.
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