2003 GMC Safari Owner's Manual - Page 334

75,000 Miles (125 000 km) Change engine oil and filter (or every 3 months, whichever occurs first). An Emission Control Service. Lubricate chassis components (or every 3 months, whichever occurs first). (See footnote #.) For Two-Wheel-Drive vehicles only: Clean andrepack the front wheel bearings (or at each brake relining, whichever occurs first). Change automatic transmission fluid and filter if the vehicle is mainly driven under one more of these or conditions: In heavy city traffic where the outside temperature regularly reaches 90°F (32°C) or higher. In hilly or mountainous terrain. When doing frequent trailer towing. Uses such as found intaxi, police or delivery service. If you do not use your vehicle under any of these conditions, change thefluid and filter every 50,000 miles (83 000 km). 0 Inspect engine air cleaner filter if you are driving in dusty conditions. Replace filter if necessary. An Emission Control Service. (See footnote f.) 0 Check readfront axle fluid level and add fluid as needed. Check constant velocity joints and axle seals for leaking. 78,000 Miles (130 000 km) 0 Change engine oil and filter (or every 3 months, whichever occurs first). An Emission Control Service. 0 Lubricate chassis components (or every 3 months, whichever occurs first). (See footnote #.) U Check readfront axle fluid level and add fluid as needed. Check constant velocity joints and axle seals for leaking. 0 Rotate tires. See Tire lnspection and Rotation on page 5-64 for proper rotation pattern and additional information. (See footnote +.) 81,000 Miles (135 000 km) 0 Change engine oil and filter (or every 3 months, whichever occurs first). An Emission Control Service. 0 Lubricate chassis components (or every 3 months, whichever occurs first). (See footnote #.) 0 Check readfront axle fluid level and add fluid as needed. Check constant velocity joints and axle seals for leaking. 6-15