1997 Pontiac Bonneville Owner's Manual - Page 274
1997 Pontiac Bonneville Manual
Page 274 highlights
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. Automatic Transaxle Fluid When to Check and Change A good time to check your autamatic transaxle fluid level iswhen the engine oil is changed. Change both the fluid and filter every 50,000 miles (83 000 km) if the vehicle is mainly driven under one or more of these conditions: 0 If you remove the supercharger oil fill plug while the engine is hot, pressure may cause hot oil to blow out of the oil fillhole. 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 fillplug using a 3/16 inch In heavy city traffic where the outside temperature regularly reaches 90 O F (32 O C) or higher. In hilly or mountainous terrain. 0 When doing frequent trailer towing. Uses such as found in taxi, police or delivery service. Allen wrench. If you donot use your vehicle under any of these conditions, the fluid and filter do not require changing. See "Scheduled Maintenance Services" in the Index. 3. The oil level is correct when it just reaches the bottom of the threads of the inspection hole. 4. Replace the oil plug with the O-ring in place. Torque to 88 lb-in (10 N-m). 6-21