Page 263 of 331

6-68
Normal Maintenance
Replacement Parts
Replacement part numbers listed in this section are
based on the latest information available at the time of
printing, and are subject to change. If a part listed in
this manual is not the same as the part used in your
vehicle when it was built, or if you have any questions,
please contact your GM truck dealer.
These specifications are for information only. If you
have any questions, see the service manual for the
chassis or refer to the body manufacturer's publications.VIN Code G. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Oil Filter* PF454. . . . . . . . . . . . . . . . . . . . . . . .
Engine Air Cleaner Filter* A1300C . . . . . . . .
Spark Plugs*** TJ14R-P15 . . . . . . . . . . . . . . .
Fuel Filter* GF626. . . . . . . . . . . . . . . . . . . . . . .
Wiper Blades** 22154886. . . . . . . . . . . . . . . . .
Wiper Blade Type Trico. . . . . . . . . . . . . . . . . .
Wiper Blade Length 18 inches (45.0 cm). . . . . .
*ACDelco
part number
**GM part number
***Denso part number
A1301C high
-capacity air cleaner filter.
Page 292 of 331
Short Trip/City Scheduled Maintenance
7-29
100,000 Miles (166 000 km)
Gasoline Engine Only: Inspect spark plug wires.
An Emission Control Service.
Gasoline Engine Only: Replace spark plugs.
An Emission Control Service.
Change automatic transmission fluid and filter. Manual transmission fluid
doesn't require change.
150,000 Miles (240 000 km)
Drain, flush and refill cooling system (or every 60 months since last service,
whichever occurs first). See ªEngine Coolantº in the Index for what to use.
Inspect hoses. Clean radiator, condenser, pressure cap and neck. Pressure test
cooling system and pressure cap.
An Emission Control Service.
ACTUAL
SERVICED BY:MILEAGE
DATE
ACTUAL
SERVICED BY:MILEAGE
DATE
Page 306 of 331
Long Trip/Highway Scheduled Maintenance
7-43
100,000 Miles (166 000 km)
Gasoline Engine Only: Inspect spark plug wires.
An Emission Control Service.
Gasoline Engine Only: Replace spark plugs.
An Emission Control Service.
Change automatic transmission fluid and filter. Manual transmission fluid
doesn't require change.
150,000 Miles (240 000 km)
Drain, flush and refill cooling system (or every 60 months since last service,
whichever occurs first). See ªEngine Coolantº 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.
ACTUAL
SERVICED BY:MILEAGE
DATE
ACTUAL
SERVICED BY:MILEAGE
DATE