Additional Required Services
The following services should be performed at the rst maintenance service (IorII) after the indicated miles
(kilometers) shown for each item.
Additional Required Services
Service and Miles
(Kilometers)25,000
(41 500)50,000
(83 000)75,000
(125 000)100,000
(166 000)125,000
(207 500)150,000
(240 000)
Inspect fuel system for damage or
leaks.• •••••
Inspect exhaust system for loose or
damaged components.• •••••
Vehicles without a lter restriction
indicator: Replace engine air cleaner
lter. SeeEngine Air Cleaner/Filter on
page 5-18.•••
Change automatic transmission uid
and lter (severe service).See
footnote (h).•••
Change automatic transmission uid
and lter (normal service).•
Replace spark plugs and inspect spark
plug wires.An Emission Control
Service.•
6-6
Normal Maintenance Replacement Parts
Replacement parts identi ed below by name, part number, or speci cation can be obtained by your GM dealer.
Part GM Part Number ACDelco®Part Number
Engine Air Cleaner/Filter — A1621C
Engine Oil Filter
4300 V6 25010792 PF47
4800 V8, 5300 V8, 6000 V8 88984215 PF46
Passenger Compartment Air Filter Kit 52485513 —
PCV Valve — 4300 V6 6487532 CV 769-C
Spark Plugs
4300 V6 25162556 41–932
4800 V8, 5300 V8, 6000 V8 12571164 41–985
Wiper Blades (ITTA Type)
22 inches (56.0 cm)15153642 —
6-15
