1995 Buick Century Owner's Manual - Page 293

Maintenance Schedule I1 67,500 Miles (112 500 km) 0Replace spark plugs (except 2.2L Code 4 engine). An Emission Control Service. 0Inspect spark plug wires. Emission Control An Service. 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). 17 Rotate tires. See "Tire Inspection and Rotation" in the Index for proper rotation pattern and additional information. DATE SERVICED ACTUAL MILEAGE BY: 0Replace air cleaner filter. An Emission Control Service. 0Inspect fuel tank, cap and lines for damage or leaks. Inspect fuel cap gasket for any damage. Replace parts as needed. An Emission Control Service. CI Inspect Exhaust Gas Recirculation (EGR) system (2.2L Code 4 engine only). An Emission Control Service. DATE MILEAGE ACTUAL SERVICED BY: 7-33