2004 CHEVROLET AVALANCHE spark plugs replace

Additional Required Services (cont’d)
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 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 5 years, whichever occurs
rst).An Emission Control Service.
See footnote (i).•
Inspect engine accessory drive belt.
An Emission Control Service.•
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Normal Maintenance Replacement Parts
Replacement parts identied below by name, part number or specication can be obtained from your dealer.
VIN Code T G
Oil Filter*PF44
**25010633*PF454
**89028862
Engine Air Cleaner/Filter*A1519C†
**25313348*A1518C
**25313349
Spark Plugs*41–985
**12571164*41–983*
**12578277
Wiper Blades
Length: 22 inches (56.0 cm)**15153642 **15153642
*ACDelco
®part number
**GM part number
†*A1518C/**25313349 high-capacity engine air cleaner/lter may be substituted.
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