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.• •••••
Replace engine air cleaner lter. See
Engine Air Cleaner/Filter on page 5-21.•••
For vehicles used for trailer towing:
Change transfer case uid.•••
Change automatic transmission uid and
lter (severe service).See footnote (h).•••
Change automatic transmission uid and
lter (normal service).•
Replace spark plugs.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.•
6-6
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 NumbersACDelco®Part
Numbers
Engine Air Cleaner/Filter 25728874 A2029C
Engine Oil Filter
3.6L V6 25177917 PF2129
4.6L V8 89017342 PF61
Passenger Compartment Air Filter Element 25740404 —
Spark Plugs
3.6L V6 12565996 41-988
4.6L V8 12571533 41-986
Windshield Wiper Blades (Hook Type)
Driver’s Side – 22 inches (56.5 cm) 12367281 8-2221
Passenger’s Side – 21 inches (53.3 cm) 88892785 8-2211
6-13
