1995 Buick Century Owner's Manual - Page 292

52,500 Miles (87 500 km) 0Change engine oiland filter (or every 12 months, whichever occurs first). An Emission Control Service. 60,000 Miles (100 000 km) 0Change engine oil and filter (or every 12 months, whichever occurs first). An Emission Control Service. 0Lubricate the transaxle shift linkage, parking brake cable guides, underbody contact points and linkage. If equipped with grease fittings, lubricate the suspension and steering linkage (or every 12 months, whichever occurs first). 0Rotate tires. See "Tire Inspection and Rotation" in the Index for proper rotation pattern and additional information. 0Lubricate the transaxleshift linkage, parking brake cable guides, underbody contact points and linkage. If equipped with grease fittings, lubricate the suspension and steering linkage (or every 12 months, whichever occurs first). 0Inspect engine accessory drivebelt (or every 24 months, whichever occurs first). 0Drain, flush and refill cooling system (or every 24 months, whichever occurs first). See "Engine Coolant"in the for what to use. Inspect hoses. Clean radiator, condenser, pressure cap and neck. Pressure test the cooling system and pressure cap. A H Emission Control Service. 7-32