1997 GMC Suburban Owner's Manual - Page 372

I Short Trip/City Maintenance Schedule -- Gasoline Engines I 17 For Two-Wheel-Drive vehicles only: Clean and repack the front wheel bearings (or at each brake relining, whichever occursfirst). Cl Vehicles With GVWR Above 8,500 lbs. Only: Inspect shields and underhood insulation for damage or looseness. Adjust or replace as required.This is n Noise Emission Control Service. Applicable only to vehicles sold in the United States. 45,000 Miles (75 000 km) 0Change engine oil and filter (or every 3 months, whichever occurs first). An Emission Control Service. 0Lubricate chassis components (or every 3 months, whichever occurs first). (See footnote #.) 0Check readfront axle fluid level and add fluid as needed. Check constant velocity joints and axle sealsfor leaking. (See footnote **.) I DATE I ACTUAL MILEAGE ISERVICED BY:^ 7-16