1997 GMC Suburban Owner's Manual - Page 395

82,500 Miles (137 500 km) 0Vehicles With GVWR Above 8,500 lbs. Only: Inspect shields and underhood insulation for damage or looseness. Adjust or replace as required. This is a Noise Emission Corztrol Service. Applicable onl\r to Ld1icle.s sold in the United Stut4.s. Change engine oil and filter (or every 12 months, whichever occurs first). An Etnissior~Control Service. 0 Lubricate chassis components (or every 12 months, whichever occurs first). (See footnote #.) 0Check redfront axle fluid level and add fluid as needed. Check constant velocity joints and axle seals for lealung. (See footnote** .) Rotate tires. See "Tire Inspection and Rotation" in the Index for proper rotation pattern and additional information. (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