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 automatic transmission uid
and lter (normal service).•
Four-wheel drive only: Change transfer
case uid (extreme duty service).
See footnotes (g) and (l).• •••••
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).•
6-7
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
High Capacity 15908915 A3085C
Standard 15908916* A3086C*
Oil Filter
4.3L V6 25010792 PF47
4.8L V8; 5.3L V8; 6.0L V8 89017524 PF48
Spark Plugs
4.3L V6 89017883 41-932
4.8L V8; 5.3L V8; 6.0L V8 12571164 41-985
Wiper Blades – 21.6 inches (55.0 cm) 25877402 —
*15908915 (A3085C) high-capacity air cleaner lter may be substituted.
6-16
