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)
CTS-V Only: Change rear axle uid
(severe service only).See footnotes (l)
and (m).•••
CTS-V Only: Change brake uid
(severe service only).See footnote (l).• •••••
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.
See footnote (p).•
If using DOT-4 brake uid, change brake
uid at a regular maintenance service
every two years.See footnote (j).
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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
dealer.
Part GM Part NumbersACDelco®Part
Numbers
Engine Air Cleaner/Filter
2.8L V6 and 3.6L V6 Engines 25728874 A2029C
6.0L V8 Engine 25750701 A1623C
Engine Oil Filter
2.8L V6 and 3.6L V6 Engines 25177917 PF2129
6.0L V8 Engine 89017524 PF48
Passenger Compartment Air Filter Element 25740404 CF133
Spark Plugs
2.8 L and 3.6 L HFV6 Engines 12597464 41-990
6.0 L V8 Engine 12571164 41-985
Wiper Blades (Hook Type)
Driver’s Side – 22 inches (56.5 cm) 12487636 —
Passenger’s Side – 21 inches (53.3 cm) 12487638 —
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