BUICK PARK AVENUE 1998 Owners Manual

Page 291 of 426

I I Remove the wing nuts on the air cleaner housing cover.
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Page 292 of 426

... .. .. ..
2. Remove the air intake hose that snaps over the
bottle
body by pulling the hose upward and away
from the throttle body. As YOU are detaching the
hose, remove ahe air cleaner housing cover by
pulling upward and remarc%.
3. Replace the air filter.
4. Reattach the air intake hose.
5. Reinstall the air cleaner housing cover.
Refer
to the Maintenance Schedule to determine when to
replace the
air filter.
See “Scheduled Maintenance Services” in the Index.
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Page 293 of 426

Operating the engine with the air cleaner off can
cause you or others to be burned. The air eleaner
not only cleans the air, it stops flame if the engine
backfires.
1% it isn’t there, and the engine
backfires,
you could be burned. Don’t drive with
it
off, and be careful working on %he engine with
the air cleaner off.
If the air cleaner is off, a backfire can cause a
damaging engine fire. And, dirt cars easily get
into your engine, which will damage it. Always
have the air cleaner in place when you’re driving.
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Page 294 of 426

Check oil only when the engine is cold. Allow the
engine
to cool two to three hours after running.
I. Clean tke area around the oil fill plug before
removing it.
2. Remove the G~H fill plug wing a 3/26 inch
Allen
wrench.
3. The oil level is correct when it just reaches efre
bottom of the threads of the inspection hole.
4. Replace the oil plug with the O-ring in place.
Torque
to 88 bin ( IO N-m).
A good time to check your automatic transaxle fluid
level is wherr the engine oil is changed.
Change
both the fluid a.nd filter every 50,000 miles
(83 080 Ian) if the vehicle is mainly driven rander one
or more of these conditions:
8 In heavy city traffic where the outside temperature
regularly reaches
90°F (32°C) or higher.
0 Uses such as found in taxi, police QT delivery service.
If you do not use your vehicle under any sf these
conditions, the fluid and filter do not reqwie changing.
See “Scheduled Maintenance Services” in the Index.
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Page 295 of 426

Because this operation can be a little difficult, you may
choose to have this done set your 3uick dealerslug
Service Department.
If you do it yourself, be sue to follow all the instructions
here,
OT you could get a false reading on the dipstick.
Wait at Beast 30 minutes before checking the transaxle
fhid lwei if you have been driving:
8 When outsiOe temperatures are above 90°F (3~ e>. m0-
@ At high speed for quite a while.
e In heavy traffic -- especiaily in hot weather.
8 While gulling a trailer.
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Page 296 of 426

Then, without shutting off the engine, follow these steps:
1. The transaxle fluid
dipstick top is a round,
red
loop and is next to
............. ............. the brake master
cylinder behind
the
engine block. Pull out
the dipstick and wipe
it with a clean rag or
paper towel.
3. Check both sides of the dipstick, and read the
lower level. The fluid 'level
must be in the
cross-hatched area.
2. Push it back in all the way, wait thee seconds and 4. If the fluid level is in the acceptable range, push
then pull it back out again. the dipstick back in a11 the way.
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Page 297 of 426

Refer to the Maintenance Schedule to determine what
kind
of transaxle fluid to use. See “Recommended
Fluids
md Eubricmts” in the Index.
If the fluid level is low, add only enough of the proper
fluid
to bring the level into the cross-hatched area on
the dipstick.
I. Pull out the dipstick.
2. Using a long-neck funnel, add enough fluid at the
dipstick hole
to bring it to the proper level.
It doesn’t
take much fluid, generally less than one
pint
(0.5 L). Don’t ove@Zl.
3. After adding fluid, recheck the fluid level ips
4. When the correct fluid level is obt.ained, push the
described
under “How to Check.”
dipstick back in
dl the way.
The cooling s stem in your vehicle is filled with
DEX-COOL engine coolant. This coolant is designed
to remain in your vehicle for 5 years or 150,000 miles
(240 MI0 h) whichever occurs first, if you add only
DEX-COOL“ extended life coolant,
The following explains
your coding system and
how to 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 and DEX-COOL’
coolant will:
J
Give freezing protection down to -34°F (-37°C).
Give boiling protection up to 265 OF 129 ” C).
Protect against rust and corrosion.
Help keep the proper engine temperature.
Let the warning lights and gages work as
they should.
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Page 298 of 426

NOTICE:
When adding coolant, it is importrant that you use
O~Y DEX-CQOE~ (sficate-free) COQI~~.
If coolant other than DEX-COOL is added to the
system, premature engine, heater
core or
radiator corrosion may result.
Hw addition, the
engine coolant
will require change SQB~~F -- at
30,000 des (50 000 b) or 24 months,
whichever occurs
first. Damage caused by the
use of coolant other than DEX-COOL@ is not
c~vemdl by
your new vehicle warranty.
Use a mixture of one-half clean water (preferably
distilled)
and one-half DEX-COOL’ coolant which
won’t damage aluminum pats. If you use this mixture,
YOU don’t need to add anything else.
..
..
Adding only plain water to your cooling system
can be dangerous. Blain water, or some other
liquid like alcohol,
can boil before the proper
coolant mixture
will. Your vehicle’s CQO~~
warning system is set for the proper c~~lmt
mixture. With plain water or the wrong mixture,
your engine could get too
hot but you wouldn’t
get the overheat warning. Your engine could
catch fire and
yon or others could be burned.
Use a 50/50 mixture of clean water and
DEX-CBOL@ codant.
6-24
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Page 299 of 426

The csdant recovery tank is located QII the @river's side
of the engine compartment.
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Page 300 of 426

1 f ENG. COOLANT LOW CHECK LEVEL
Turning the radiator pressure cap when the
engine and radiator
are hot can allow steam
and scalding liquids to blow out and burn yon
badly. With the codant recovery tank, you will
almost never have fO add coolant at the radiator.
Never turn the radiator pressure cap -- even a
little -- when the engine sand radiator are hot.
You can be burned if you spill cooiant QPB hot
engine parts. Coolant contains ethylene glycol,
and it will burn if the engine parts are hot
enough. Don't spill coolant on a hot engine.
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