1996 Buick Riviera Owner's Manual - Page 247

Supercharger Oil Unless,you &re technically qualified and have the .. proper tools, you should let ,your dealer or a qualified perform this sefvice center maintenance. Mow to Check and Add Oil. Check oil only when the engine cold. Allow the is engine to cool two to three hours after running. If you remove the supercharger oil plug while fill may the engine is hot, pressure cause hotoil to blow out of the oil fill hole. You maybe burned. Do not remove the plug until the engine cools. 1. Remove- thewiring harness shield. When to Check Check 03level-every30,000miles (50 000 h or every ) 36 months, whichever occurs first. 2. Clean the area around the fill plug before oil removirlg it. 3. Remove the oil fill plug using a 3/16 Allen wrench. What K ~ I ' f Oil to Use . ~ See c c R ~ ~ -endedFluids 5 Lubricants" in the Index or ,and use-onlyrhe recommenaed oil. 4. The oil level is correct when it just reaches the bottom of the threads of the inspection hole. 5, Replace theoil plug with the O-ring in place. Torque to 88 lb-in (10 N-m). 6. Replace wiring harness shield. 6-18