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 5-19.An
Emission Control Service.••••••
Change automatic transmission
uid and lter (severe service).
See footnote (h).•••
Change automatic transmission
uid and lter (normal service).•
Inspect evaporative control system.
An Emission Control Service. See
footnotes † and (g).•••
Replace spark plugs and inspect
spark plug wires.An Emission
Control Service.•
6-7
Normal Maintenance Replacement Parts
Replacement parts identi ed below by name, part number or speci cation can be obtained from your dealer.
Part GM Part No. ACDelco®Part No.
Oil Filter 25010633 PF44
Engine Air Cleaner/Filter (High Capacity)–5.3L and
6.0L Engines25313349 A1518C
Engine Air Cleaner/Filter–5.3L Engine Only 25313348 A1519C
Spark Plugs 12571164 41-985
Front Wiper Blades 22.0 inches (56.0 cm) 15153642 —
Rear Wiper Blade Insert 14.0 inches (35.5 cm) 22121329 —
6-15
