2003 Pontiac Sunfire Owner's Manual - Page 303

100,000 Miles (166 000 km) il Replace spark plugs. An Emission Control Service. 1 1 Long Trip/Highway Scheduled Maintenance The services shown in this schedule up to 100,000 miles (1 66 000 km) should be repeated after 100,000 miles (166 000 km) at the same intervals for the life of this vehicle. The services shown at 150,000 miles (240 000 km) should be repeated at the same interval after 150,000 miles (240 000 km) for the life of this vehicle. See Part 6: Owner Checks and Services on page 6- 17 and Part C:Periodic Maintenance Inspections on page 6-22. Change automatic transaxle fluid and filter if the vehicle is mainly driven under one or more of these conditions: - In heavy city traffic where theoutside 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 changing. 150,000 Miles (240 000 km) 1 1 Drain, flush and refill cooling system (or every 60 months since last service, whichever occurs first) See Engine Coolant on page 5-22 for what to use. Inspect hoses. Clean radiator, condenser, pressure cap and neck. Pressure test the cooling system and pressure cap. An Emission Control Sewice. 0 Inspect engine accessory drive belt. An Emission the California Air Resources Board has determined that the failure to perform this maintenance item will not nullify the emission warranty or limit recall liability prior to the completion of the vehicle's useful life. We, however, urge that all recommended maintenance services be performed at the indicated intervals and the maintenance be recorded. #Lubricate the suspension, steering linkage and the transaxle shift linkage. Footnotes t The U.S. Environmental Protection Agency or Control Service. 6-12