1995 Oldsmobile Aurora Owner's Manual - Page 240

Engine Accessory Belt 4. Alternator Pulley 5. Air Conditioner Compressor Pulley 6. Harmonic Balancer Engine Oil If the CHECK 01L LEVEL message or the oil warning light on the instrument panel comes on, it means you need to check your engine oil level right away. For more information, see "Check Oil Level Message" or "Oil Warning Light" in the Index. You should check your engine oil level regularly; this is an added reminder. It's a good idea to check your engine oil every time you get fuel. In order to get an accurate reading, the oil must be warm and the vehicle must be on level ground. The 4.0L Aurora engine uses an engine accessory belt. This diagram shows the features connected by the belt routing. See"Maintenance Schedu1e"in the Index for when to check the belt. 1. Tensioner Arm Pulley 2. Power Steering Pump Pulley 3. Idler Pulley Turn off the engine and give the oil a few minutes to drain back into the oil pan. If you don't, the oil dipstick might not show the actual level. 6-10