Pontiac Sunfire 2003 Owner's Manual page 300

50,000 Miles (83 000 km)
Change automatic transaxle fluid and filter if the
vehicle is mainly driven 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.
If you do not use your vehicle under any of these
conditions, the fluid and filter do not require changing.
Manual transaxle fluid doesn't require change.
51,000 Miles (85 000 km)
Change engine oil and filter (or every 3 months,
whichever occurs first). An Emission Control Service.
54,000 Miles (90 000 km)
Change engine oil and filter (or every 3 months,
whichever occurs first). An Emission Control Service.
Lubricate chassis components (or every 6 months,
whichever occurs first). (See footnote #.)
Rotate tires. See Tire Inspection and Rotation on
page 5-50 for proper rotation pattern and additional
information. (See footnote +.)
6-10
57,000 Miles (95 000 km)
Change engine oil and filter (or every 3 months,
whichever occurs first). An Emission Control Service.
60,000 Miles (100 000 km)
Change engine oil and filter (or every 3 months,
whichever occurs first). An Emission Control Service.
Lubricate chassis components (or every 6 months,
whichever occurs first). (See footnote #.)
Replace engine air cleaner filter. See Engine Air
Cleaner/Filter on page 5-17 for more information.
An Emission Control Service.
Rotate tires. See Tire Inspection and Rotation on
page 5-50 for proper rotation pattern and additional
information. (See footnote +.) (Also see footnote ++.)
63,000 Miles (105 000 km)
Change engine oil and filter (or every 3 months,
whichever occurs first). An Emission Control Service.
66,000 Miles (110 000 km)
Change engine oil and filter (or every 3 months,
whichever occurs first). An Emission Control Service.
Lubricate chassis components (or every 6 months,
whichever occurs first). (See footnote #.)
Rotate tires. See Tire Inspection and Rotation on
page 5-50 for proper rotation pattern and additional
information. (See footnote +.)