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)
Change transfer case uid (severe
service). See footnotes (m) and (n). •••
Change transfer case uid (normal
service). See footnote (m). •
Inspect evaporative control system.
An Emission Control Service.
See footnotes † and (g). •••
Replace spark plugs and inspect spark
plug wires. 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 (l). •
7-7
Maintenance Replacement Parts Replacement parts identi ed below by name, part number, or speci cation can be obtained from your dealer/retailer.
Maintenance Replacement Parts Part GM Part Number ACDelco Part Number
Engine Air Cleaner/Filter 15908916 A3086C
Oil Filter 89017524 PF48
Spark Plugs 12609877 41-985
Wiper Blades
Front – 21.6 in (55.0 cm) 25877402 —
Rear – 11.8 in (30.0 cm) 25820122 —
7-15
