1995 Pontiac Firebird Owner's Manual - Page 335

Maintenance ScheduleI 90,000 Miles (150 000 km) (Continued) - Uses such as found in taxi, police or ~ Inspect spark plug wires. Emission Control An Service. f delivery service. I f you do not use your vehicle under any of these conditions, change thefluid and filter at 100,000 miles (166 000 km). Manual transmission fluid doesn't require change. 0Inspect engine accessory drive belt (or every 24 months, whichever occurs first). An Emission Control Service. 0Replace air cleaner filter. Replace filter more often under dusty conditions. An Emission Control Service. 0Inspect fuel tank, cap and lines for damage or leaks. Inspect cap gasket for any fuel damage. Replace parts as needed. An,Emission Control Service. f 0Drain, flush and refill cooling system (or every 24 months, whichever occurs first). See "Engine Coolant''in the Index 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. 0Rotate tires. See "Tire Inspection and Rotation" in the Index for proper rotation pattern and additional information. I7 Replace spark plugs (except 5.7L Code P engine). An Emission Control Service. 7-28