1996 GMC Safari Owner's Manual - Page 335

60,000 Miles (100 000 km) 0Change engineoil and filter (or every 12 months, whichever occurs first). An Emission Control Service. 0Change automatic transmission fluid and filter if the vehicle is mainly driven under one or more of these conditions: - In heavy city traffic where the outside F temperature regularly reaches 90O (32°C) or higher. - In hilly or mountainous terrain. - When doing frequent trailer towing. - Uses such as found in taxi, police or delivery service. I f you do not useyour vehicle under anyof 0Lubricate chassis components; see footnote ## (or every 12 n ~, whichever occurs first). 0Check readfront axle fluid level and add fluid as needed. Check constant velocity joints and axle seals forleaking. ** 0For Two-Wheel-Drive vehicles only: Clean and repack the front wheel bearings (or at each brake relining, whichever occurs first). ~ these conditions, change the fluid and filter every 30,000 miles (50 000 km). (Continued) 7-35