2003 Pontiac Grand Prix Owner's Manual - Page 337
2003 Pontiac Grand Prix Manual
Page 337 highlights
82,500 Miles (137 500 km) 0 Rotate tires. See Tire Inspection and Rotation on page 5-69 for proper rotation pattern and additional information. (See footnote +.) CI Change automatic transaxle fluid and filter if the vehicle is mainly driven under one or more of these conditions: - 90,000 Miles (150 000 km) 0 Replace engine air cleaner filter. An Emission 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. Control Service. 0 For supercharged engines only: Check the supercharger oil level and add the proper supercharger oil as needed (or every 36 months, whichever occurs first). See Part D: Recommended Fluids and Lubricants on page 6-15. An Emission Control Service. (See footnote f.) L Rotate tires. See Tire Inspection and Rotation on l page 5-69for proper rotation pattern and additional information. (See footnote +.) - 0 If you haven't used your vehicle under severe service conditions listed previously and, therefore, haven't changed your automatic transaxle fluid, change both the fluid and filter. 150,000 Miles (240 000 km) 0 Drain, flush and refill cooling system (or every 97,500 Miles (162 500 km) U Rotate tires. See Tire Inspection and Rotation on page 5-69for proper rotation pattern and additional information. (See footnote +.) 100,000 Miles (166 000 km) 0 Inspect spark plug wires. An Emission Control Service. 0 Replace spark plugs. An Emission Control Service. 60 months since last service, whichever occurs first). See Engine Coolant on page 5-30 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. 0 Inspect engine accessory drive belt. An Emission Control Service. 6-8