spark plugs Oldsmobile Cutlass 1998 Owner's Manuals

I Short Trip/City Maintenance Schedule I
96,000 Miles (160 000 km)
0 Change engine oil and filter (or every 3 ~~~ ~ ~~~ , whic ~~ -:ver occurs first).
0 Rotate tires. See "Tire Inspection and Rotation" in the Index for proper
An Emission Control Service.
rotation pattern and additional information. (See footnote +.)
99,000 Miles (165 000 km)
0 Change engine oil and filter (or every 3 months, whichever occurs first).
An Emission Control Service.
100,000 Miles (166 000 km)
0 Inspect spark plug wires.
17 Replace spark plugs.
0 Change automatic transaxle fluid and filter if the vehicle is mainly driven
An Emission Control Service.
An Emission Control Service.
under one or more of these conditions:
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- In heavy city traffic where the outside temperature regularly reach\
es 90 OF
- In hilly or mountainous terrain.
(32" C) or higher.
(Continued)
7-17

Long Tripmighway Maintenance Schedule 1
100,000 Miles (1 66 000 ki
0 Inspect spark plug wires.
0 Replace spark plugs.
0 Change automatic transaxle fluid and filter if the vehicle is mainly driven
An Emission Control Service.
An Emission Control Service.
under one or more of these conditions:
- In heavy city traffic where the outside temperature regularly reaches 90°F
(32°C) or higher.
- In hilly or mountainous terrain.
- When doing frequent trailer towing.
- Uses such as found in taxi, police or delivery service.
lf you do not use your vehicle under any of these conditions, the fluid and
filter do not require changing.
150,000 Miles (240 000 km)
0 Drain, flush and refill cooling system (or every 60 months since last service,
whichever occurs first). See “Engine Coolant” in the Index for what to use.
Inspect hoses. Clean radiator, condenser, pressure cap and neck. Pressure test
the cooling system and pressure cap.
An Emission Control Service.
DATE I
MILEAGE
7-25