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Downloaded from www.Manualslib.com manuals search engine I Short Trip/City Maintenance Schedule -- Gasoline Engines
The services shown in this schedule up to 100,000 miles
( 166 000 km) should be performed after 100,000 miles
(166 000 km) at the same intervals.
Footnotes
The U.S. 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 the vehicle's useful life.
We, however, urge that all recommended
maintenance services
be performed at the indicated
intervals and the maintenance be recorded.
# Lubricate the front suspension, kingpin bushings,
steering linkage, transmission shift linkage, transfer
case shift linkage, parking brake cable guides, front
axle propshaft splines and brake pedal springs. Ball
joints and kingpin bushings should not be lubricated
unless their temperature
is 10°F (-12"C), or higher,
or they could be damaged.
** Drive axle service:
0 Locking Differential -- Drain fluid and refill at first
engine oil change. At subsequent oil changes, check
fluid level and add fluid as needed. If driving in
dusty areas or towing a trailer, drain fluid and refill
every
15,000 miles (25 000 km).
Standard Differential -- Clieck fluid level and add
fluid as needed at every oil change. If driving in
dusty areas or towing a trailer, drain fluid and refill
every
15,000 miles (25 000 km).
0 More frequent lubrication may be required for
heavy-duty or off-road use.
7-6
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Downloaded from www.Manualslib.com manuals search engine Short TripKity Maintenance Schedule -- Gasoline Engines
48,000 Miles (80 OOOkm)
0 Change engine oil and filter (or every
3 months, whichever occurs first).
An Emission Control Service.
0 Lubricate chassis components; see footnote ##
(or every 3 months, whichever occurs first).
0 Check readfront axle fluid level and add
fluid as needed. Check constant velocity
joints and axle seals for leaking.
**
50,000 Miles (83 000 km),
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 O F
(32°C) or higher.
- In hilly or mountainous terrain..
- .When doing frequent trailer towing.
- Uses such as found in taxi, police or
If you do not use your vehicle under any of
these conditions, the
fluid and filter do not
require changing.
delivery service.
DATE
SERVICED BY: ACTUAL MILEAGE
7-16 ’
Page 355 of 403
Downloaded from www.Manualslib.com manuals search engine I Short Trip/City Maintenance Schedule -- Gasoline Engines I
100,SOO Miles' (1 66 000 km) (Continued)
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 OF
(32°C) or higher.
- In hilly or mountainous terrain.
- When doing frequent trailer towing.
- Uses such as found. in taxi, police or
delivery service.
If you do not use your vehicle under.any of
these conditions, the fluid
and filter do not
require changing.
0 Inspect Positive Crankcase Ventilation
(Pcv) valve. An Emission Control Service.
DATE ACTUAL MILEAGE SERVICED BY:
7-28
Page 356 of 403

Downloaded from www.Manualslib.com manuals search engine The services shown in this schedule up to 100,000 miles
(166 00.0 km) should be performed after 100,000 miles
(166 000 km) at the same intervals.
Footnotes
-f The U.S. 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 the vehicle's useful life.
We, however, urge that all recommended
maintenance services be performed at the indicated
intervals and the maintenance be recorded.
# Lubricate the front suspension, kingpin bushings,
steering linkage, transmission shift linkage, transfer
case shift linkage, parking brake cable guides, front
axle propshaft splines and brake pedal springs. Ball
joints and kingpin bushings should not be lubricated
unless their temperature is
10°F (-12"C), or higher,
or they could be damaged.
** Drive axle service:
0
0
0
Locking Differential -- Drain fluid and refill at first
engine
oil change. At subsequent oil changes, check
fluid level and add fluid as needed. If driving in
dusty areas or towing a trailer, drain fluid and refill
every
15,000 miles (25 000 km).
Standard Differential -- Check fluid level and add
fluid as needed at every engine oil change. If driving
in dusty areas or towing a trailer, drain
fluid and
refill every
15,000 miles (25 '000 km).
More frequent lubrication may be required for
heavy-duty or off-road use.
7-29
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Downloaded from www.Manualslib.com manuals search engine I
I Long TriplHighway Maintenance Schedule -- Gasoline Engines 1 ~~
45,000 Miles (75 000 knz) (Continued)
0 If your engine has a thermostatically
controlled cooling fan, inspect all hoses and
ducts for proper hook-up (or every
12 months, whichever occurs first). Be sure
the valve works properly.
This is a Noise
Emission Control Service. Applicable only to
vehicles sold in the United States.
50,000 Miles (83 000 km)
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 O F
(32 O C) or higher.
- In hilly or mountainous terrain.
- When doing frequent trailer towing.
- Uses such as found in taxi, police or
If you do not use your vehicle under any of
these conditions, the fluid and filter do not
require changing.
delivery service.
DATE ACTUAL MILEAGE SERVICED BY:
7-34
Page 368 of 403
Downloaded from www.Manualslib.com manuals search engine Replace spark plugs. An Emission Control Service.
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 O F
(32 O C) or higher.
- In hilly or mountainous terrain.
- When doing frequent trailer towing.
- Uses such as found in taxi, police .or
delivery service.
If you do not use your vehicle under any of
these conditions, the fluid and filter do not
require changing.
0 Inspect Positive Crankcase Ventilation
(Pcv) valve. An Emission Control Service.
DATE SERVICED BY: ACTUAL MILEAGE
I I I
7-41
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Downloaded from www.Manualslib.com manuals search engine At Least Twice 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 covers, and
have them repaired or replaced. (The air bag system
does
not need regular maintenance.)
Air Cleaner Filter Restriction Indicator Check
Your vehicle has an indicator on the engine that lets you
know when the air cleaner filter is dirty and needs to be
changed. Check indicator at least twice a year or when
your oil is changed. See “Air Cleaner” in the Index for
more information.
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.
At Least Once a Year
Key Lock Cylinders Service
Lubricate the key lock cylinders with the lubricant
specified in Part
D.
Body Lubrication Service
Lubricate all fuel door, body hood and body door
hinges, rear compartment hinges, tailgate handle pivot
points, latches, locks and folding seat hardware. Part
D
tells you what to use. More frequent lubrication may be
required when exposed to a corrosive environment.
Starter Switch Check
CAUTION:
When you are doing this check, the vehicle could
move suddenly.
If it does, you or others could be
injured. Follow the steps below.
7-43
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Downloaded from www.Manualslib.com manuals search engine Part D: Recommended Fluids and
Lubricants,
NOTE: Fluids and lubricants identified below by name,
part number or specification may be obtained from your
GM dealer.
USAGE
Engine Oil
(Gasoline
Engine)
~~
Engine Coolant
FLUIDLUBRICANT
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 GM
Goodwrench@ DEX-COOL
TM or
Havoline@ DEX-COOL
(orange-colored, silicate-free)
antifreeze conforming to GM
Specification 6277M. See “Engine
Coolant” in the Index.
~
USAGE
Coolant
Supplement
Sealer
~
Hydraulic Brake
System
Parking Brake
Cable Guides
Power Steering
System
~~
Automatic
Transmission
FLUIDLUBRICANT
GM Part No. 3634621 or
equivalent with a complete flush
and refill.
Delco Supreme 11
@ Brake Fluid
(GM Part
No. 1052535 or
equivalent DOT-3 brake fluid).
Chassis lubricant
(GM Part
No. 1052497 or equivalent) or
lubricant meeting requirements of
NLGI Grade 2, Category LB
or
GC-LB.
GM Power Steering Fluid (GM
Part No. 1052884 - 1 pt.,
1050017 - 1 qt., or equivalent).
DEXRON@-I11 Automatic
Transmission Fluid.
7-48