1997 GMC Suburban Owner's Manual - Page 394

67,500 Miles (112 500 km) 0Change engine oil and filter (or every 12 months, whichever occurs first). An Emission Control Service. 75,000 Miles (I25 000 km) 0Change engine oil and filter (or e dery T 12 months, whichever occurs first). An Emissio~zControl Service. 0Lubricate chassis components (or every 12 months, whichever occurs first). (See footnote #.) 0Check readfront axle fluid level add fluid and as needed. Check constant velocity joints and axle seals for leaking. (See footnote **.) 0Rotate tires. See "Tire Inspection and Rotation" in the Index for proper rotation pattern and additional information. (See footnote +.) DATE ACTUAL MILEAGE SERVICED B Y 0Lubricate chassis components (or every 12 months, whichever occurs first). (See footnote #.) 0Check readfront axle fluid level and add fluid as needed. Check constant velocity joints and axle seals for leaking. (See footnote **.) 7-38