2003 GMC Safari Owner's Manual - Page 331

48,000 Miles (80 000 km) 0 Change engine oil and filter (or every 3 months, 51,000 Miles (85 000 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 Rotate tires. See Tire lnspection and Rotation on page 5-64 for proper rotation pattern and additional information. (See footnote +.) 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. 54,000 Miles (90 000 km) 0 Change engine oil and filter (or every 3 months, 50,000 Miles (83 000 km) 0 If you haven't used your vehicle under severe service conditions listed previously and, therefore, haven't changed your automatic transmission fluid, change both the fluid and filter. U Change transfer case fluid. whichever occurs first). An Emission Control Service. ; Lubricate chassis components (or every 3 months, 3 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. Rotate tires. See Tire lnspection and Rotation on page 5-64 for proper rotation pattern and additional information. (See footnote +*) 6-12