1997 GMC Suburban Owner's Manual - Page 377

I Short Trip/City Maintenance Schedule -- Gasoline Engines 63,000 Miles (10.5 000 km) 0Change engineoil and filter (or every 3 months, whichever occurs first). An Emission Control Service. 66,000 Miles (110 000 km) 0Change engine oil and filter (or every 3 months, whichever occurs first). An Emission Control Service, 0Lubricate chassis components every (or 3 months, whichever occurs first). (See footnote#.) 0Check readfront axle fluid level add and fluid as needed. Check constantvelocity joints and axle seals for leaking. (See footnote**.) 0Lubricate chassis components (or every ' 3 months, whichever occurs first). (See footnote #.) 0Check readfront axle fluid level and add flui as needed. Check constant velocity joints and axle seals for leaking. (See footnote**.) 0Rotate tires. See "Tire Inspection and Rotation" inthe Index for proper rotation pattern and additional infomation. (See footnote+.) DATE ACTUAL MILEAGE SERVICED BY: I DATE I ACTUAL MILEAGE ISERVICED BY: 7-21