1995 Oldsmobile Silhouette Owner's Manual - Page 350

I Maintenance Schedule I1 30,000 Miles (50 000 km) Change engine oil and filter (or every 12 months, whichever occurs first). An Emission Control Service. Replace spark plugs.An Emission Control Service. 0Replace air cleaner filter.An Emission Control Service. 0Lubricate the suspension and steering linkage, transaxle shift linkage, parking brake cable guides and underbody contact points and linkage (or every 12 months, whichever occurs first). 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. 0Air Cleaner Hoses, Ducts & Valves Inspection (3.1L Code Dengine only). L ACTUAL MILEAGE SERVICED BY: 7-28