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)
Four-wheel drive only: Change
transfer case uid (severe service).
See footnotes (g) and (m).•••
Four-wheel drive only: Change
transfer case uid (normal service).
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 (q).•
6-8
Maintenance Replacement Parts
Replacement parts identi ed below by name, part number, or speci cation can be obtained from your dealer/retailer.
If your vehicle has the DURAMAX
®diesel engine, see the DURAMAX®Diesel manual for more information.
Part GM Part Number ACDelco Part Number
Engine Air Cleaner/Filter
Standard Filter 15908916* A3086C*
High Capacity Filter 15908915 A3085C
Oil Filter
4.3L V6 25010792 PF47
4.8L V8; 5.3L V8; 6.0L V8; 6.2L V8 89017524 PF48
Spark Plugs
4.3L V6 12607234 41-993
4.8L V8; 5.3L V8; 6.0L V8; 6.2L V8 12609877 41-985
Wiper Blades – 21.6 in (55.0 cm) 25877402 —
*15908915 (A3085C) high-capacity air cleaner lter may be substituted.
6-17
