1998 GMC Suburban Owner's Manual - Page 384

I Short TripKity Maintenance Schedule -- Gasoline Engines I SERVICED B Y 66,000 Miles (110 000 km) 0 Change engine oil and filter (or every 3 months, whichever occurs first). An Emission Control Service. 0 Lubricate chassis components (or evely 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. (See footnote ::::$.) 0 Rotate tires. See "Tire Inspection and Rotation" in the Index for proper rotation pattern and additional information. (See footnote +.) MILEAGE 69,000 Miles (115 000 km) 0 Change engine oil and filter (or every 3 months, whichever occurs first). An Emission Control Set-vice. 0 Lubricate chassis components (orevery 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. (See footnote '!::i:.) DATE I 72,000 Miles (120 000 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 #.) DATE ACTUAL MILEAGE 1 SERVICED B Y 7-20