1995 Buick Park Avenue Owner's Manual - Page 294

Maintenance Schedule I 30,000 Miles (50 000 km) (Continued) Pressure test the coolingsystem and pressure cap. An Emission Control Sewice. 0Replace spark plugs. An Emission Control Sewice. 0Inspect spark plug wires. An Emission Control Service. -f0Replace air cleaner filter. Replace filter more often under dusty conditions. An Emission Control Sewice. 0Inspect fuel tank, cap and lines for damage or leaks. Inspect fuel capgasket for any damage. Replace parts as needed. An Emission Control Sewice. 0For supercharged engines only: Check the supercharger oil level and add oil asneeded (or every 36 months, whichever occurs first). See "Recommended Fluids and Lubricants" in this section. An Emission Control Sewice. -f0Rotate tires. See "Tire Inspection and Rotation" in the Index for proper rotation pattern and additional information. 7-12