1995 Buick Riviera Owner's Manual - Page 291

I I Maintenance ScheduleI 60,000 Miles (100 000 km) (Continued) , . 0Drain, flush and refill cooling system (or every 24 months, whicheveroccurs 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. 17 Inspect fuel tank, cap and lines for damage or.leaks. Inspect fuel cap gasket for any damage. Replace parts as needed. An Emission Control Service.? 0For supercharged engines only: Check the supercharger oil level and add oil as needed (or every 36 months, whichever occurs first). See "Recommended Fluids and Lubricants" in this section. An Emission Control Service. I ' Replace spark plugs. An Emission Control Service. 17 Inspect spark plug wires.An Emission Control Service. ? 0Replace air cleaner filter. Replace filter more often under dustyconditions. An Emission Control Service. I I I I DATE MILEAGE ACTUAL SERVICED BY: