2003 GMC Safari Owner's Manual - Page 335

84,000 Miles (140 000 km) 0 Change engine oil and filter (or every 3 months, 90,000 Miles (150 000 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. 0 For Two-Wheel-Drivevehicles only: Clean and repack the front wheel bearings (or at each brake relining, whichever occurs first). 0 Change automatic transmissionfluid and filter if the vehicle is mainly driven under one more of these or conditions: - In heavy city traffic wherethe outside temperature regularly reaches 90°F (32°C) or higher. - In hilly or mountainous terrain. - When doing frequent trailer towing. - Uses such as found in taxi, police or delivery service. If you do not use your vehicle under anyof these conditions, change the fluid and filter every 50,000 miles (83 000 km). 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 Inspection and Rotation on page 5-64 for proper rotation pattern and additional information. (See footnote +.) 87,000 Miles (145 000 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. 6-16