Page 337 of 380

I Long Trip/Highway Maintenance Schedule 1
60,000 Miles (100 000 km)
0 Change engine oil and filter (or every 12 months, whichever occurs first).
Arl Etuissio17 Cotltrol Service.
0 Lubricate chassis components (or every I2 months, whichever occurs first).
(See footnote
#.)
0 Check rear/front axle fluid level and add fluid as needed. Check constant
velocity joints and axle seals for leaking. (See footnote
4:*.)
0 Change automatic transmission fluid and filter 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
- In hilly or mountainous terrain.
(32°C)
or higher.
- When doing frequent trailer towing.
- Uses such as found in taxi, police or delivery service.
If JOL( do t~ot me wwr \vhic*lc~ ~mler crw* cfthpse conditions, c-.l~culgc' thcljlltid
crnclfilter ewry 50,000 miles (83 000 k1:n).
rotation pattern and additional information. (See footnote +.)
Rotate tires. See "Tire Inspection and Rotation" in the Index for proper
0 Inspect engine accessory drive belt.
0 Replace fuel filter.
An Emission Corztml Service. (See footnote?.)
DATE
I MILEAGE ACTUAL I SERVICEDBY I
(Continued)
7-33
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Page 339 of 380

I Long Tripmighway Maintenance Schedule I
0 Check readfront axle fluid level and add fluid as needed. Check constant
velocity joints and axle seals
for leaking. (See footnote '!:'!:.)
0 Change automatic transmission fluid and filter 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
- In hilly or mountainous terrain.
- When doing frequent trailer towing.
- Uses such as found in taxi, police or delivery service.
Ij~xm do not use Jwtr vehicle ruzdur LIIZ~ oftlwse c-onditiorzs, ckcrlzge theJluicl
clrlcl,fi'lter e~:er;v 50,000 miles (83 000 k117).
rotation pattern and additional information. (See footnote +.)
(32" C) or higher.
0 Rotate tires. See "Tire Inspection and Rotation" in the Index for proper
82,500 Miles (137 500 km)
0 Change engine oil and filter (or every 12 months, whichever occurs first).
0 Lubricate chassis components (or every 12 months, whichever occurs first).
An Emission Control Service.
(See footnote #.)
(Continued)
DATE I
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Page 340 of 380

Long Tripmighway Maintenance Schedule I
82,500 Miles (137 500 knz) (Continued)
0 Check readfront axle fluid level and add fluid as needed. Check constant
0 Rotate tires. See “Tire Inspection and Rotation” in the Index for proper
velocity
joints and axle seals for leaking. (See footnote
‘k‘i’.)
rotation pattern and additional information. (See. footnote +.)
90,000 Miles (150 000 km)
0
0
0
Change engine oil and filter (or every 12 months, whichever occurs first).
A11 Emission Control Service.
Lubricate chassis components (or every 12 months, whichever occurs first).
(See footnote
#.)
Check readfront axle fluid level and add fluid as needed. Check constant
velocity joints and axle seals for leaking. (See footnote
**.)
Change automatic transmission fluid and filter 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
- In hilly or mountainous terrain.
- When doing frequent trailer towing.
- Uses such as found in taxi, police or delivery service.
If):ocr do not use ~*0111- \~c)hicIe Ln7dc.I- cr11.11 oj’tlzrsc conditio/~s, chcrllge thoflrficl
alzdfilter
every 50,000 miles (83 000 kin).
(32°C) or higher.
DATE
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Page 342 of 380
100,000 Miles (1 66 000 k1r1) (Contirzrred)
0 If you haven’t used your vehicle under severe service conditions listed
previously and, therefore, haven’t changed your automatic transmission fluid,
change both the fluid and filter.
AH Emissio~l Colltwl .Sc)r1?ic.c..
0 Inspect Positive Crankcase Ventilation (PCV) valve.
150,000 Miles (240 000 kin)
Drain, flush and refill cooling system (or every 60 months since last service.
whichever c~ccurs first). See “Engine Coolant**
in the Index for what to use.
Inspect
hoses. Clean radiator, condenser, pressure cap rund neck. Press111.e
test the cooling system and pressure cap.
An Emissiol7 Control Servic.c>.
DATE I
I ILII1,EAGE ACTUAL I SERVICEDBY: I
.I
‘ 7-38
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Page 344 of 380

At Least Twice a Year At Least Once a Year
Restraint System Check
Make sure the safety belt reminder light and all your
belts, buckles, latch plates, retractors and anchorages are
working properly. Look for any other
loose or damaged
safety belt system parts.
If you see anything that might
keep
a safety belt system from doing its job, have it
repaired. Have any torn or frayed safety belts replaced.
Also look for any opened or broken air bag coverings,
and have them repaired or replaced. (The air bag system
does not need regular maintenance.)
Wiper Blade Check
Inspect wiper blades for wear or cracking. Replace blade
inserts that appear worn or damaged or that streak or
miss areas of the windshield. Also see “Wiper Blades,
Cleaning”
in the Index.
Automatic Transmission Check
Check the transmission fluid level; add if needed. See
“Automatic Transmission”
in the Index. A fluid loss
may indicate
a problem. Check the system and repair
if needed.
Key Lock Cylinders Service
Lubricate the key lock cylinders with the lubricant
specified
in Part D.
Body Lubrication Service
Lubricate all body door and fuel door hinges, rear
compartment hinges, latches and locks including the
glove box, console doors and the body hood and any
moving seat hardware. Lubricate the hood safety lever
pivot and prop rod pivot. Part
D tells you what to use.
More frequent lubrication may be required when
exposed to
a corrosive environment.
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Page 345 of 380

Starter Switch Check
A CAU I ION:
-
When you are doing this check, the vehicle could
move suddenly.
If it does, you or others could be
injured. Follow
the steps below.
1.
2.
3.
Before you start, be sure you have enough room
around the vehicle.
Firmly apply both the parking brake (see “Parking
Brake”
in the Index if necessary) and the
regular brake.
NOTE: Do not use the accelerator pedal, and be
ready to
turn off the engine immediately if it starts.
Try
to start the engine in each gear. The starter
should work only
in PARK (P) or NEUTRAL (N). If
the starter works in any other position. your vehicle
needs service.
Brake-Transmission Shift Interlock (BTSI) Check
A CAUI NN:
When you are doing this check, the vehicle could
move suddenly.
If it does, you or others could be
injured. Follow the steps below.
1.
2.
3.
Before you start, be sure you have enough room
around the vehicle.
It should be parked on a
level surface.
Firmly apply the parking brake (see “Parking Brake”
in the Index if necessary).
NOTE: Be ready to apply the regular brake
immediately
if the vehicle begins to move.
With the engine off, turn the key to the RUN
position, but don’t start the engine. Without applying
the regular brake, try to move
the shift lever out of
PARK (Pj with normal effort. If the shift lever
moves
out of PARK (P), your vehicle’s BTSI
needs service.
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Ignition Transmission Lock Check
While parked, and with the parking brake set, try to turn
the ignition key to
LOCK in each shift lever position.
The key should turn to LOCK only when the shift
0 The key should come out only in LOCK.
lever is in PARK (P).
Parking Brake and Automatic Transmission
PARK
(P) Mechanism Check
When you are doing this check, your vehicle
could begin
to move. You or others could be
injured and property could be damaged. Make
sure there is room in front of your vehicle in case
it begins
to roll. Be ready to apply the regular
brake
at once should the vehicle begin to move.
Park on a fairly steep hill, with the vehicle facing
downhill. Keeping your foot on the regular brake, set the
parking brake.
0 To check the parking brake’s holding ability:
With the engine running and transmission in
NEUTRAL (N), slowly remove foot pressure from
the regular brake pedal.
Do this until the vehicle is
held by the parking brake only.
To check the PARK (P) mechanism’s holding ability:
With the engine running, shift to PARK (P). Then
release all brakes.
Underbody Flushing Service
At least every spring, use plain water to flush any
corrosive materials from the underbody. Take care to
clean thoroughly any areas where mud and other debris
can collect.
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Page 349 of 380

Part D: Recommended Fluids and
Lubricants
NOTE: Fluids and lubricants identified below by name,
part number or specification may be obtained from
yo~~r retailer.
USAGE
Engine Oil
Hydraulic Brake
System
FLUID/LUBRICANT
Engine Oil with the American
Petroleum Institute Certified For
Gasoline Engines “Starburst”
symbol
of the proper viscosity. To
determine the preferred viscosity
for your vehicle‘s engine, see
“Engine Oil“
in the Index.
50/50 mixture
of clean water
(preferably distilled) and use only
GM Goodwrench@ DEX-COOL@
or Havoline@ DEX-COOL@
Coolant. See “Engine Coolant“
in
the Index.
Delco Supreme
11 @ Brake Fluid
(GM Part No. 12377967 or
equivalent
DOT-3 Brake Fluid).
USAGE ~~
Parking Brake
Cable Guides
Power Steering
System
Automatic
Transmission
Key Lock
Cylinders
Chassis Lubrication
~~~
Differential,
Front and Rear
Axle
FLUID/I,UBRICANT
Chassis Lubricant (GM Part
No. 12377985 or equivalent) or
lubricant meeting requirements of
NLGI
## 2, Category LB or
GC-LB.
GM Power Steering Fluid (GM
Part
No. 1052884 - 1 pint,
1050017
- 1 quart, or equivalent).
DEXRON@-TI1 Automatic
Transmission Fluid.
Multi-Pul ose Lubricant,
Superlube
% (GM Part
No. 12346241 01- equivalent).
Chassis Lubricant (GM Part
No. 12377985 or equivalent) or
lubricant meeting requirements
of
NLGI ## 2, Category LB or
GC-LB.
Axle Lubricant (GM Part
GL-5 Gear Lubricant.
No. 105227 1 ) or SAE 8OW-90
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