air filter BUICK PARK AVENUE 1994 Owners Manual

If your Buick has the Dual Automatic ComforTemp
Climate Control option,
it looks like this: The air conditioning compressor operates
when
the
outside temperature is above 45°F (7°C). Besides
cooling, this is used to dehumidify and filter
the air. The
compressor works when AUTO, HTR, DEFOG or
defrost is selected.
The following information
tells you how it works.
You
will hear a beep each time a button is pushed. The
display
will show fan, temperature and mode settings.
Sun and temperature sensors automatically adjust air
temperature to maintain your comfort. The system tends
to supply cooler air to the side towards the sun. Be
careful not to put anything over the sun sensors on the
top
of the dash. The system may not respond correctly.
Ext Temp
Push this button and the
display will indicate the
outside temperature (unless
the system
is OFF). Push it
again to return to the
regular system display.
.. * '' I
The outside temperature reading is most accurate when
driving. During stops, the display shows
the previous
temperature for best accuracy and system control.
133
ProCarManuals.com

What to Do with Used Oil
Did you know that used engine oil contains certain
elements
that may be unhealthy for your skin and could
even cause cancer? Don’t let used oil stay on your skin
for very long. Clean your skin and nails with soap and
water, or a good hand cleaner. Wash or properly throw
away clothing or rags containing used engine oil. (See
the manufacturer’s warnings about the use and disposal
of oil products.)
Used oil can be a real threat to the environment. If you
change your own
oil, be sure to drain all free-flowing
oil from the filter before disposal. Don’t ever dispose of
oil by putting it in the trash, pouring
it on the ground,
into sewers, or into streams or bodies of water. Instead,
recycle it by taking
it to a place that collects used oil. If
you have a problem properly disposing of your used oil,
ask your dealer, a service station or a local recycling
center for help.
Air Cleaner
1
The air cleaner is in the front right section of the engine
compartment.
To check or replace the filter, undo the
wing screws and pull the air cleaner open. Replace the
air filter, close
the cover and tighten the wing screws.
243
ProCarManuals.com

Refer to the Maintenance Schedule to determine when
to replace the air filter.
See “Scheduled Maintenance Services”
in the Index.
NOTICE:
If the air cleaner is off, a backfire can cause a
damaging engine fire. And, dirt can easily get
into your engine, which will damage
it. Always
have the air cleaner
in place when you’re driving.
Automatic Transaxle Fluid
When to- Check and Change
A good time to check your automatic transaxle fluid
level is when the engine oil is changed. Refer
to the
Maintenance Schedule to determine when to change
your fluid. See “Scheduled Maintenance Services’’ in
the Index.
How to Check
Because this operation can be a little difficult, you may
choose
to have this done at a Buick dealership Service
Department.
If you do it yourself, be sure to follow all the
instructions here, or you could get a false reading
on the
dipstick.
NOTICE:
Too much or too little fluid can damage your
transaxle.
Too much can mean that some of the
fluid could come out and fall on hot engine parts
or exhaust system, starting a fire. Be sure
to get
an accurate reading if you check your transaxle
fluid.
244
ProCarManuals.com

Capacities and Specifications
~~~ ~ ~~~~~
Engine Code L (L27) 3.8L V-6 SF1
Engine Code 1 (L67) 3.8L V-6 SF1
Belt Tensions -
Automatically controlled by a Self-Tension idler
pulley. Tension adjustment should never be
necessary.
Cooling System Capacity -
Crankcase Capacity -
With air conditioning: 13 quarts/l2.5 liters
4 quarts/3.8 liters (oilchange without filter) 5 quarts/4.75 liters (oilchange with filter change)
R134a
- 2.2 lbs. (.99 kilograms)
Air Conditioning Capacity -
Fuel Tank Capacity -
18.0 gallons/68 liters
Transaxle -
Drain & Refill - 6 quarts/5.6 liters
Maintenance Item Part Numbers -
Air Filter - A 1096C
Fuel Filter - GF580
Oil Filter
- PF47
PCV Valve
- CV892C
Radiator Cap
- RC27
Spark Plug
- 41-601, GAP 0.060”
Air Conditioning Refrigerants Not all air conditioning refrigerants are the same. If the air conditioning system
in your vehicle needs refrigerant, be sure the proper refrigerant is used. If you’re not sure ask your Buick dealer.
For additional information, see your “Warranty and Owner Assistance Information” booklet.
ProCarManuals.com

TO BE SERVICED
(See Explanation of
Scheduled Maintenance
Services Following
Schedules
I and 11)
Item No. ~~ ~
~ __
6. Transaxle Service
7. Spark Plug
Replacement”
X. Spark Plug
Wire Inspection*+
9. Supercharger Oil Check
(3.8L Code 1 engine only)
10. Air Cleaner Filter
Replacement*’t
11. Fuel Tank, Cap &
Lines Inspection
WHEN TO PERFORM
Miles (kilometers) or
IS 18 21 24 27 30 33 36 39 42 45 48
Months, Whichever
MILES (000)
Occurs First
See Explanation of Scheduled
Maintenance Service
Following Schedules
I and 11
Every 30 000 mi
(SO 000 km)
tttt
See Explanation of Schedulcd
Maintenance Scrvice
Following Schedules
1 and I1
Every 30 000 mi
(SO 000 km) IIII
KILOMETERS (000) I
The services shown in this schedule up to 48 000 miles (80 000 km) should be performed after 48 000 miles at the same
I
289
ProCarManuals.com

TO BE SERVICED
(See Explanation of
Scheduled Maintenance
Services Following
Schedules
I and 11)
Item No.
8. Spark Plug Wire Inspection*?
9. Supercharger Oil Check
(3.8L Code I engine only)
10. Air Cleaner Filter Replacement"
1 I. Fuel Tank. Cap & Lines Inspection**
WHEN TO PERFORM
Miles (kilometers) or
Months, Whichever
Occurs First
I MILES (000)
22.5 45 37.5 30
KILOMETERS (000)
12.5 I 25 I 37.5 I SO I 62.5 I 75 ~~
Every 30 000 mi. (SO 000 km) e
Every 30 000 mi. (50 000 km) or 36 months I
See Explanation of Scheduled Maintenance
Services Following Schedules
I and I1
Every 30 000 mi. (SO 000 km) e
0
I
The services shown in this schedule up to 45 000 miles (75 000 km) should be performed after 45 000 miles at the same
intervals.
I
291
ProCarManuals.com

Explanation of Scheduled Maintenance
Services
Following are explanations of the services listed in
Schedule I and Schedule 11.
The proper fluids and lubricants to use are listed
in
Section D. Make sure whoever services your vehicle
uses these. All parts should be replaced and all
necessary repairs done before you or anyone else drives
the vehicle.
NOTE: To determine your engine’s displacement and
code, see “Engine Identification”
in the Index.
1. Engine Oil and Filter Change* -- Always use SH
or SG Energy Conserving I1 oils of proper viscosity.
The
“SH” or “SG” designation may be shown alone
or
in combination with others, such as “SH/CD” or
“SH,
SG, CD,” “SG/CD,” etc. To determine the
preferred viscosity for your vehicle’s engine (e.g., SAE
5W-30 or SAE low-30), see “Engine Oil” in
the Index.
If your vehicle has an Engine Oil Life Monitor, the
monitor will show you when to change the oil. See
“Engine Oil Life Monitor”
in the Index. 2.
Chassis Lubrication -- Lubricate
the transaxle shift
linkage, parking brake cable guides, underbody
contact points and linkage. If your vehicle is
equipped
with grease fittings, lubricate the
suspension and steering linkage.
3. Tire and Wheel Rotation and Inspection -- For
proper wear and maximum tire life, rotate your tires
following the instructions
in this manual. See “Tires,
Inspection
& Rotation” in the Index. Check the tires
for uneven wear or damage. If you see irregular or
premature wear, check the wheel alignment. Check
for damaged wheels also.
4. Engine Accessory Drive Belt(s) Inspection --
Inspect the belt(s) for cracks, fraying, wear and
proper tension. Replace as needed.
5. Cooling System Service* -- Drain, flush and refill
the system
with new or approved recycled coolant
conforming to GM Specification 1825M. Keep
coolant at the proper mixture as specified. See
“Coolant”
in the Index. This provides proper freeze
protection, corrosion inhibitor level and engine
operating temperature.
292
ProCarManuals.com

Inspect hoses and replace if they are cracked, swollen
or deteriorated. Tighten screw-type hose clamps.
Clean the outside of the radiator and air conditioning
condenser. Wash the pressure cap and neck.
To help ensure proper operation, we recommend a
pressure test of both the cooling system and the
pressure cap.
6.
Transaxle Service -- Change both the fluid and filter
every
15,000 miles (25 000 km) 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.
0 In hilly or mountainous terrain.
0 When doing frequent trailer towing. (With some
models, you shouldn’t ever tow a trailer. See
“Towing a Trailer”
in the Index.)
0 Uses such as found in taxi, police car or delivery
service.
If you do not use your vehicle under any of these
conditions, change both the fluid and filter every
100,000 miles ( 160 000 km).
7. Spark Plug Replacement* -- Replace spark plugs
with the proper type. See “Specifications Chart”
in
the Index.
8. Spark Plug Wire Inspection*-f -- Inspect for burns,
cracks or other damage. Check the boot
fit at the
distributor and at the spark plugs. Replace wires as
needed.
9. Supercharger Oil Check--Check oil every 30,000
(50 000km) or 36 months. Check oil level only on
cold engine. Add the proper synthetic oil. See
“Recommended Fluids and Lubricants” in the Index.
10. Air Cleaner Filter Replacement* -- Replace every
30,000 miles (50 000 km) or more often under dusty
conditions. Ask your dealer for the proper
replacement intervals for your driving conditions.
1 1. Fuel Tank, Cap and Lines Inspection*? -- Inspect
fuel tank, cap and lines (including fuel rails and
injection assembly) for damage or leaks. Inspect fuel
cap gasket for an even filler neck imprint or any
damage. Replace parts as needed. Periodic
replacement
of the fuel filter is not required.
* An Emission Control Service.
-f The US. Environmental Protection Agency or the California Air Resources Board has determined that the failure to perform this maintenance item will not nullify the
emission warranty or limit recall liability prior to the completion of vehicle useful life. General Motors. however. urges that all recommended maintenance services be
performed at the indicated intervals and the maintenance be recorded in “Section E:Maintenance Record”.
293
ProCarManuals.com