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
(40 000)50,000
(80 000)75,000
(120 000)100,000
(160 000)125,000
(200 000)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 5-20.•••
Change automatic transmission uid and
lter (severe service).See footnote (h).•••
Change automatic transmission uid and
lter (normal service).•
Change transfer case uid.
See footnote (g).•••
Inspect evaporative control system.
An Emission Control Service.
See footnotes † and (k).•••
Replace spark plugs and inspect spark
plug wires.An Emission Control Service.•
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Maintenance Replacement Parts
Replacement parts identi ed below by name, part number, or speci cation can be obtained from your dealer/retailer.
Maintenance Replacement Parts
Part GM Part Number ACDelco Part Number
Engine Air Cleaner /Filter
High Capacity Filter 15908915 A3085C
Standard Filter 15908916* A3086C*
Oil Filter
5.3L V8, 5.3L V8 Flexible Fuel, 6.0L V8 89017524 PF48
Spark Plugs
5.3L V8, 5.3L V8 Flexible Fuel, 6.0L V8 12571164 41-985
Wiper Blades (ITTA Type)
Front – 21.6 inches (55.0 cm) 25877402 —
*15908915 (A3085C) high-capacity air cleaner lter may be substituted.
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