spark plugs replace CADILLAC DTS 2009 1.G Owners Manual

Page 414 of 462

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)
Replace spark plugs.An Emission
Control Service.•
Except Professional Vehicle: Engine
cooling system service (or every
ve years, whichever occurs rst).
An Emission Control Service.
See footnote (j).•
Professional Vehicle Only: Engine
cooling system service (or every
ve years, whichever occurs rst).
An Emission Control Service.
See footnote (j).••
Inspect engine accessory drive belt.
An Emission Control Service.
See footnote (l).•
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Page 421 of 462

Maintenance Replacement Parts
Replacement parts identied below by name, part number, or specication can be obtained from your dealer/retailer.
Part GM Part Number ACDelco Part Number
Engine Air Cleaner/Filter Element 22676970 A1627C
Engine Oil Filter 89017342 PF61
Passenger Compartment Air Filter Element 25906375 CF118C
Spark Plugs 12571535 41–987
Wiper Blades
Driver Side – 21.7 in (55.0 cm) 15931977 —
Passenger Side – 21.7 in (55.0 cm) 15931976 —
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