spark plugs replace CADILLAC CTS 2004 1.G Owners Manual

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.
SeeEngine Air Cleaner/Filter on
page 5-24.An Emission Control
Service.••••••
Change automatic transmission uid
and lter (severe service only).
See footnote (h).•••
Replace spark plugs.An Emission
Control Service.•
Engine cooling system service
(or every 5 years, whichever occurs
rst).An Emission Control Service.
See footnote (i).•
6-6

Normal Maintenance Replacement Parts
Replacement parts identied below by name, part number or specication can be obtained from your dealer.
Part GM Part Numbers Other Part Numbers
Engine Air Cleaner/Filter 25728874 A2029C
1
Engine Oil Filter
3.2L V6
3.6L HFV6
5.7L V888894390
25177917
25010633PF2256G1
PF21291
PF44
Passenger Compartment Air Filter Element 25740404 —
Spark Plugs
3.2L V6
3.6L HFV6
5.7L V824425327
12565996
12571164FGR8KQE0
2
41-9881
41-985
Wiper Blades (Hook Type)
Driver’s Side – 22 inches (56.5 cm)
Passenger’s Side – 21 inches (53.3 cm)12367281
888927858-2221
1
8-22111
1
ACDelco®part number.2Bosch part number.
6-15