1996 Pontiac Grand Prix Owner's Manual - Page 336

Long TripHighway Maintenance Schedule I 90,000 Miles (150 000 km) 0Change engine oil and filter (or every 12 months, whichever occursfirst). An Emission Control Service. I7 Replace air cleaner filter. An Emission Control Sewice. I7 Inspect fuel tank, cap and lines for damage An Emission Control Service. 3- 17 Lubricate steering ball joints (or every 6 months, whichever occursfirst). 0Vehicles with 3.4L Code X engine only: Inspect camshaft timing belt. An Emission Control Service. or leaks. Inspect fuel cap gasket for any damage. Replace parts as needed. ~ ~~~ ~~~ ACTUAL MILEAGE SERVICED BY I 7-33