Pontiac 1998 Sunfire Owner's Manual page 331

1
Short Trip/City Maintenance Schedule
I
- In hilly or mountainous terrain.
-
When doing frequent trailer towing.
- Uses such as found in taxi, police or delivery service.
I f you do not use your vehicle under any of these conditions, the fZuid and
filter do not require changing.
Manual transaxle fluid doesn't require change.
~-25@9000
Miles (240 000 km)
El
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 cooling system and pressure cap.
An Emission Control Service.
DATE
7-21