Page 169 of 290
Problems on the Road
1. You can remove the radiator
pressure cap when the cooling system
including the radiator pressure cap
and upper radiator hose, is
no longer
hot.
Turn the pressure cap slowly to
the left until it first stops. (Don? pres5
down while turning
the pressure cap.)
If you hear a hiss, wait for that to stop
A hiss means there is still some
pressure left.
2. Then keeb turning the pressure cap,
but now push down
as you turn it.
Remove the pressure cap.
5. After the engine cools, open the air
bleed valves on the heater return hose
and water pump inlet.
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Page 170 of 290
4. Fill with the proper mix. Add coolant
until you see a steady stream of
coolant coming from the bleed valves.
5. Close the bleed valves.
i. Continue to fill the radiator up to the *
base of the filler neck.
’. Rinse or wipe the spilled coolant from
the engine and compartment.
I. Start the engine and allow it to run in
idle
for approximately four minutes.
By this time, the coolant level inside
the radiator will be lower. Add more
of the proper mix through the filler
neck until the level reaches the bdse
of the filler neck.
169 ...
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Page 202 of 290

Hydraulic Clutch
The hydraulic clutch in your vehicle is
self-adjusting. The clutch master cylinder
reservoir is filled with hydraulic clutch
fluid.
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 problem. Have the system inspected and
repaired.
When to Check and What to Use:
Refer to the Maintenance Schedule to
determine how often you should check
the fluid level in your clutch master
cylinder reservoir and for the proper fluid.
See “Owner Checks and Services” and
“Recommended Fluids and Lubricants”
in the Index.
How to Check:
The proper fluid should be added if the
level
is below the “STEP’ mark on the
reservoir. See the instructions on the
reservoir cap.
Rear Axle
When to Check and Change Lubricant:
Refer to the Maintenance Schedule to
determine how often to check the
lubricant and when to change
it. See
“Periodic Maintenance Inspections” in
the Index.
How to Check Lubricant:
If the level is below the bottom of the
filler plug hole, you’ll need to add some
lubricant. Add enough lubricant to raise
the level to the bottom of the filler plug
hole.
What to Use
Standard Differential
Use Axle Lubricant (GM Part No.
1052271) or SAE 80W-90 GL-5 gear
lubricant.
Limited-Slip Differential
To add lubricant when the.leve1 is
low, use Axle Lubricant (GM Part
No.
105227 1) or SAE 8OW-90 GL-5 gear
lubricant. To completely refill after
draining, add
4 ounces ( 1 18 ml) of
Limited-Slip Differential Lubricant
Additive (GM
Part No. 1052358). Then
fill to the bottom of the filler plug hole
with Axle Lubricant (GM
Part No.
12345977) or SAE 8OW-90 GL-5 gear
lubricant.
Engine Coolant
The following explains your cooling system and how to add coolant when
it is low. If you have a problem with
engine overheating or if you need to add
coolant to your radiator, see “Engine Overheating” in the Index.
I
201 . . .
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Service and Appearanc’e Care
The proper coolant for your Pontiac will:
0
Give freezing protection down to
-34°F (-37°C).
Give boiling protection up to 262°F
(128°C)
.
Protect against rust and corrosion.
Help keep the proper engine
temperature.
Let the warning lights work as
they
should.
What to Use:
Use a mixture of one-half clean water
(preferably distilled) and one-half
antifreeze that meets
“GM Specification
1825M,” which won’t damage aluminum
parts. You can also use a recycled coolant
conforming to GM Specification 1825M
with a complete coolant flush and refill. If
you use this mixture, you don’t need to
add anything else.
NOTICE:
If you use an improper coolant mix,
your engine could overheat and be
badly damaged. The repair cost wouldn’t be covered by your war-
ranty. Too much water in the mix can
freeze and crack the engine, radiator,
heater core and other parts.
Adding Coolant
To Check Coolant: When your engine is
cold, check the dipstick on the cap of the
coolant recovery tank. The coolant level should be “COLD,” or a little higher.
When your engine is warm, the level on
the dipstick should be up to
“HOT,” or a
little higher.
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Service and Appearance Care
Radiator Pressure Cap (All Engines)
NOTICE:
Your radiator cap is a 18 psi (124 kPa)
pressure-type cap and must be tightly
installed to prevent coolant loss and
possible engine damage from over-
heating. Be sure the arrows on the
cap line up with the overflow tube
on the radiator filler neck.
When you replace your radiator pressure
cap,
an AC@ cap is recommended.
Thermostat
Engine coolant temperature is controlled
by a thermostat in the engine coolant
system. The thermostat stops the flow of
coolant through the radiator until the
coolant reaches a preset temperature.
When you replace your thermostat, an
AC@ thermostat is recommended.
3.4L L32 (Code S)
Power Sfeering Fiuid
How to Check Power Steering Fluid:
Unscrew the cap and wipe the dipstick
with a clean rag. Replace the cap and
completely tighten it. Then remove the
cap again and look at the fluid level on
the dipstick.
0
0
5.7L LT1 (Code P)
When the engine compartment is hot,
the level should be at the
“H” or
“HOT” mark.
When the engine compartment is
cool, the level should be at the
“C”
or “FULL COLD” mark.
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i w
R€
de
“€4
thc
1
hat to Add:
:fer to the Maintenance Schedule to
termine what kind
of fluid to use. See
!ecommended Fluids and Lubricants” ir
: Index.
NOTICE:
When adding power steering fluid or
making a complete fluid change,
always use the proper fluid. Failure
to use the proper fluid can cause leaks and damage hoses and seals.
Windshield Washer Fluid
To Add:
Open the cap labeled “WASHER FLUID
ONLY.” Add washer fluid until the bottle
is full.
NOTICE:
0
0
0
0
When using concentrated washer
fluid, follow the manufacturer’s
instructions for adding water.
Don’t mix water with
ready-to-use washer fluid; Water
can cause the solution to freeze
and damage your washer fluid
tank and other parts of the washer
system. Also, water doesn’t clean
as well as washer fluid.
Fill your washer fluid tank only
3/4 full when it’s very cold. This
allows for expansion, which could
damage the tank if it is completely
full.
Don’t use radiator antifreeze in
your windshield washer. It can
damage your washer system and
paint.
205. . . ProCarManuals.com
Page 235 of 290
Service and Appearance Care
Replacement Parts
Air Cleaner Filter .............................................. A1 163C
Battery
........................................................ 75-60
Engine Oil Filter
VINEngineCodeS
............................................. PF47
FuelFilter
...................................................... GF578
PCV Valve VIN Engine
Code P
............................................. PF25
VIN Engine Code
S .......................................... CV789C
VIN Engine Code P
.......................................... CV895C
VIN Engine Code
S .............................. oR43TSK (0.045" Gap)
VIN Engine Code P
............................. oR45LTSP (0.050" Gap)
Thermostat Temperature Specification
.......................... 180°F (82°C)
Radiatorcap
................................................... RC24
Spark Plug
Wheel Nuts
Wheel Nut Torque ....... ........ ......... 100 lb. ft. (140 Nom)
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Maintenance Schedule
Section A: Scheduled Maintenance Services (Cont.)
Explanation of Scheduled
Maintenance Services
Following are explanations of the services
listed in Schedule I and Schedule
II.
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.
ITEM
NO. SERVICE
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,”
“SH, SG,
CD,” “SG/CD,” etc. To deter-
mine the preferred viscosity for
your vehicle’s engine (e.g., SAE
ITEM
NO.
2
3
4
SERVICE
5W-30 or SAE 10W-30), see
“Engine Oil” in the Index.
Chassis Lubrication
- Lubricate
the suspension and steering
linkage. Lubricate the
transmission
shift linkage.
Tire and Wheel Rotation and
InsDection
- For proper wear
and maximum tire life, rotate
your tires following the
instructions in this manual. See
“Tires, Inspection and 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.
Engine Accessorv Drive Belt!s)
InsDection
- Inspect the belt(s)
for cracks, fraying, wear and
proper tension. Replace as
needed. (Belts can have many small cracks in individual ribs
without affecting performance.)
ITEM
NO. SERVICE
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 and boil protection, corrosion inhibitor level and
maintains proper engine operating temperature.
Inspect hoses and replace if they
are cracked, swollen or deterior-
ated. 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.
* An Emission Control Service.
. . .246
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