2001 Buick Park Avenue Owner's Manual - Page 283

The filter should be replaced as part of routine scheduled maintenance. See "Maintenance Schedule" in the Index for replacement intervals. See your dealer for details on changing the filter. Once you remove your filter, if you choose not to replace it, it will not damage your vehicle. However, the air will no longer be filtered. What Kind of Oil to Use Use only the recommended supercharger oil. See "Recommended Fluids and Lubricants" in the Index. How to Check and Add Oil Check oil only when the engine is cold. Allow the engine to cool two to three hours after running. Supercharger Oil Unless you are technically qualified and have the proper tools, you should let your dealer or a qualified service center perform this maintenance. CAUTION: If you remove the supercharger oil fill plug while the engine is hot, pressure may cause hot oil to blow out of the oil fill hole. You may be burned. Do not remove the plug until the engine cools. 1. Clean the area around the oil fill plug before removing it. 2. Remove the oil fill plug using a 3/16 inch Allen wrench. 3. The oil level is correct when it just reaches the bottom of the threads of the inspection hole. When to Check Check oil level every 30,000 miles (50 000 km) or every 36 months, whichever occurs first. 4. Replace the oil plug with the O-ring in place. Tighten to 88 lb-in (10 N·m). 6-20