Page 361 of 403
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 362 of 403

Downloaded from www.Manualslib.com manuals search engine 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).
0 Check readfront axle fluid level and add fluid
as needed. Check constant velocity joints and
axle seals for leaking.
**
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 ISERVICED BY: I
60,000 Miles (100 000 km)
0 Change engine oil and filter (or every
12 months, whichever occurs first).
An Emission Control Service.
17 Lubricate chassis components; see footnote #
(or every 12 months, whichever occurs first).
0 Check-readfront axle fluid level and add
fluid
as needed. Check constant velocity
joints and axle seals
for leaking. **
0 For Two-Wheel-Drive vehicles only: Clean
and repack the front wheel bearings (or
at
each brake relining, whichever occurs first).
0 Inspect engine accessory drive belt.
0 Replace fuel filter. An Enzission Control Service.
An Emission Control Service.
(Continued)
7-35
Page 363 of 403

Downloaded from www.Manualslib.com manuals search engine I Long Trip/Highway Maintenance Schedult; ~~ -- Gasoline Engines
60,000 Miles (100 000 km) (Continued)
0 Inspect-fuel tank, cap and lines for damage
or leaks. Inspect fuel cap gasket for any
damage. Replace parts as needed.
An Emission Control Service.
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
Emission Control Service. Applicable
only to
vehicles
sold in the United States.
0 Conduct Exhaust Gas Recirculation (EGR)
system inspection as described in the
service manual.
An Emission Control Service.
inspection. Check all fuel and vapor lines
and hoses for proper hook-up, routing and
condition. Check that the purge valve works
properly, if equipped. Replace as needed.
An. Emission Control Service. T
0 Conduct evaporative control system
FF=m
ACTUAL MILEAGE SERVICED BY
7-36
i
Page 364 of 403

Downloaded from www.Manualslib.com manuals search engine 67,500 Miles (112 500 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 readfront axle fluid level and add fluid
as needed. Check constant velocity joints and
axle seals for leaking.
**
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
75,000 Miles (125 000 km)
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 readfront axle fluid level and add
fluid as needed. Check constant velocity
joints and axle seals for leaking.
**
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.
1
(Continued)
7-37
Page 365 of 403

Downloaded from www.Manualslib.com manuals search engine I Long Tripmighway Maintenance Schedule -- Gasoline Engines I
75,000 Miles (125 000 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 a Noise
Emission Control Service. Applicable only to
vehicles sold in the United States.
82,500 Miles (137 500 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 readfront axle fluid level and add fluid
as needed. Check constant velocity joints and
axle seals for leaking.
**
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
Drooer caliDer service procedures.
DATE ACTUAL MILEAGE SERVICED BY:
7-38
DATE ACTUAL MILEAGE
SERVICED BY
Page 366 of 403

Downloaded from www.Manualslib.com manuals search engine 90,000 Miles (150 000 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 readfront axle fluid level and add
fluid as needed. Check constant velocity
joints and axle seals for leaking.
**
0 For Two-Wheel-Drive vehicles only: Clean
and repack the front wheel bearings (or at
each brake relining, whichever occurs first).
0 Replace fuel filter. An Emission Control Service.
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.
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.
DATE
SERVICED BY: ACTUAL MILEAGE
7-39
Page 367 of 403

Downloaded from www.Manualslib.com manuals search engine Long Tripmighway Maintenance Schedule -- Gasoline Engines
97,500 Miles (162 500 km).
Cl&ge 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 readfront axle fluid level and add fluid
as needed. Check constant velocity joints and axle seals for leaking.
**
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
100,000 Miles (1 66 000 km)
Cl 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 the
cooling system and pressure cap.
An Emission Control Service.
0 Inspect spark plug wires.
An Emission Control Service.
proper caliper service procedures.
DATE
SERVICED BY: ACTUAL MILEAGE.
‘7-40
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