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Downloaded from www.Manualslib.com manuals search engine Short TripKity Maintenance Schedule -- Gasoline Engines
100,000 Miles (1 66 000 km)
0 Drain, flush and refill cooling system
(or every
60 months since last service,
whichever occurs first). See “Engine
Coolant’’
in the Index for what to use.
Inspect hoses. Clean radiator, condenser,
pressure cap and neck. Pressure test cooling
system and pressure cap.
0 Inspect spark plug wires.
0 Replace spark plugs.
0 Change automatic transmission fluid and
An Emission Control Service.
An Emission Control Service.
An Emission Control Service.
filter if the vehicle’s GVWR is over
8600 lbs. or 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.
- 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 an? of
these conditions, the.fluid und
require changing.
I7 Inspect Positive Crankcase Ventilation
(Pcv) valve. An Emission Control Service.
DATE SERVICED BY ACTUAL MILEAGE
7-29
Page 330 of 376

Downloaded from www.Manualslib.com manuals search engine .Long Tripmighway Maintenance Schedule -- Gasoline Engines 1
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
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 and rear driveline center splines.
** 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 use.
7-30
Page 331 of 376

Downloaded from www.Manualslib.com manuals search engine Long Tripmighway Maintenance Schedule -- Gasoline Engines I
7,500 Miles (12 500 km)
0 Change engine oil and filter (or every
12 months, whichever occurs first).
An Emission Control Service.
0 Lubricate chassis components; see footnote #
(or every 12 months, whichever occurs first).
0 Check axle fluid level and add fluid
as needed.
**
0 Rotate tires. See “Tire Inspection and
Rotation” in the Index
for proper rotation
pattern and additional information. During tire rotation, check brake calipers for
freedom of movement. Refer to the
appropriate
GM service manual for proper
caliper service procedures.
DATE SERVICED BY ACTUAL MILEAGE
15,000 Miles (25 000 km)
0 Change engine oil and filter (or every
12 months, whichever occurs first).
An Emission Control Service.
0 Lubricate chassis components; see
footnote
# (or every 12 months, whichever
occurs first).
0 Check axle fluid level and add fluid
as needed.
**
0 Vehicles With GVWR Above 8,500 lbs.
Only: Inspect shields and underhood
insulation for damage or looseness. Adjust
or replace as required. This is GI Noise Emission
Control Service. Applicuble
only to vehicles sold in
the United
Stutes.
(Continued)
7-31
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Downloaded from www.Manualslib.com manuals search engine I Long Tripmighway Maintenarlc ~ whedule -- Gasoline Engines 1
15,000 Miles (25 000 km) (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 LI Noise
Emission Control Service.
Applicable only to
vehicles
sold in the United Statss.
DATE SERVICED BY ACTUAL MILEAGE
22,500 Miles (37 500 km)
Change engine oil and filter (or every
12 months, whichever occurs first).
An Emissiorz Control Service.
0 Lubricate chassis components; see footnote #
(or every 12 months, whichever occurs first).
0 Check axle fluid level and add fluid
as needed.
**
Rotate tires. See “Tire Inspection and
Rotation”
in the Index for proper rotation
pattern and additional information. During
tire rotation, check brake calipers for
freedom of movement. Refer to the
appropriate
GM service manual for proper
caliper service procedures.
7-32
Page 333 of 376

Downloaded from www.Manualslib.com manuals search engine Long Tripmighway Maintenance Schedule -- Gasoline Engines I
30,000 Miles (50 000 km)
Change engine oil and filter (or every
12 months, whichever occurs first).
17 Lubricate chassis components; see
An Etnission Control Service.
footnote # (or every 12 months, whichever
occurs first).
as needed.
‘wf:
-(or at each brake relining, whichever
occurs first).
0 Check axle fluid level and add fluid
0 Clean and repack the front wheel bearings
0 Replace fuel filter.
An Emission Control Service.
0 Replace air cleaner filter.
An Emission Control Servic.-e.
0 Vehicles With GVWR Above 8,500 lbs.
Only: Inspect shields and underhood
insulation for damage
or looseness. Adjust
or replace as required.
This is a Noise Emission
Control Service. Applicable only to vehicles
sold in
the United States.
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
Enzission Control Service. Applicable
only to
vehicles sold in the United States.
I DATE I ACTUAL MILEAGE SERVICED BY: I
7-33
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Downloaded from www.Manualslib.com manuals search engine Long Tripmighway Maintenance Sclledult: -- WWJIIII~: nngines
4
37,500 Miles (62 500 km)
0 Change engine oil and filter (or every
12 months, whichever occurs first).
An Emissiurz Control Service.
0 Lubricate chassis components; see footnote #
(or every 12 months, whichever occurs first).
0 Check axle fluid level and add fluid
as needed. **
0 Rotate tires. See “Tire Inspection and
Rotation”
in the Index for proper rotation
pattern and additional information. During
tire rotation, check brake calipers for
freedom of movement. Refer
to the
appropriate GM service manual for proper
caliper service procedures.
DATE SERVICED BY ACTUAL MILEAGE
45,000 Miles (75 000 km)
0 Change engine oil and filter (or e :very
12 mont.hs, whichever occurs first).
0 Lubricate chassis components; see
An Euzissinrl Control Service.
footnote # (or every 12 months, whichever
occurs first).
as needed. **
0 Check axle fluid level and add fluid
0 Vehicles With GVWR Above 8,500 lbs.
Only: Inspect shields and underhood
insulation for damage or looseness. Adjust
or replace
as required. This is u Noise E~nissiu~
Coiltrol Servic-e. Appliccrble only to \?ehicles sold in
the United Stutes.
7-34
Page 335 of 376
Downloaded from www.Manualslib.com manuals search engine 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
Enzission Control Service. Applicable onlJ to
vehicles sold in the United States.
DATE ACTUAL MILEAGE SERVICED BY
50,000 Miles (83 000 km)
0 Change automatic transmission fluid
and filter
if the vehicle’s GVWR is over
8600 lbs. or 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.
- 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 qf these
conditions,
the.fluid and.filter do not require changing.
7-35
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Downloaded from www.Manualslib.com manuals search engine Long TripMighway Maintenance Schedule -- Gasoline Engines I
52,500 Miles (87 500 km)
0 Change engine oil and filter (or every
12 months, whichever occurs first).
An Emission Control Service.
0 Lubricate chassis components; see footnote #
(or every 12 months, whichever occurs first).
Check axle fluid level and add fluid
as needed. **
0 Rotate tires. See “Tire Inspection and
Rotation” in the Index
for proper rotation
pattern and additional information. During
tire rotation, check brake calipers for
freedom
of movement. Refer to the
appropriate
GM service manual for proper
caliper service procedures.
I DATE I ACTUAL MILEAGE (SERVICED BY:^
60,000 Miles (100 000 km)
0 Change engine oil and filter (or every
12 months, whichever occurs first).
Lubricate chassis components; see
An Emission Control Service.
footnote ## (or every 12 months, whichever
occurs
first).
as needed. **
(or at each brake relining, whichever
occurs first).
0 Check axle fluid level and add fluid
0 Clean and repack the front wheel bearings
0 Inspect engine accessory drive belt.
0 Replace fuel filter.
An Emission Control Service.
An Emission Control Service.
7-36