1997 GMC Suburban Owner's Manual - Page 371

I Short TripKity Maintenance Schedule -- Gasoline Engines I 39,000 Miles (65 000 km) 0Change engineoil and filter (or every 3 months, whichever occurs first). An Emission Control Service. 42,000 Miles (70 000 km) 0Change engineoil 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 readfiont axle fluid level and add fluid 'asneeded. Check constant velocity joints and **.) axle seals for leaking. (See footnote 0Rotate tires. See "Tire Inspection and Rotation" in theIndex for proper rotation pattern and additional information. (See footnote+.) DATE ACTUAL MILEAGE SERVICED BY: I DATE I ACTUAL MILEAGE SERVICED BY:^ 7-15