Additional Required Services (cont’d)
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)
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.•
Engine cooling system service (or every
ve years, whichever occurs rst).
An Emission Control Service.
See footnote (i).•
Inspect engine accessory drive belt.
An Emission Control Service.
See footnote (m).•
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Normal Maintenance Replacement Parts
Replacement parts identi ed below by name, part number, or speci cation can be obtained from
your GM dealer.
Normal Maintenance Replacement Parts
Part GM Part NumberACDelco®Part
Number
Engine Air Cleaner /Filter
High Capacity Filter 25313349 A1518C
Standard Filter 25313348* A1519C*
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) 15930910 —
Rear – 11.8 inches (30.0 cm) 15173729 —
*A1518C high-capacity air cleaner lter may be substituted.
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