1997 Chevrolet Suburban Owner's Manual - Page 379

I Short Trip/City Maintenance Schedule-- Gasoline Engines I 90,000 Miles (150 000 km) 0Change engine oil and filter (or every 3 months, whichever occurs first). An Emission Control Service. 0Replace fuel filter. An Emission Control Service. (See footnote?.) 0Rotate tires. See "Tire Inspection and Rotation'' in the Index for proper rotation pattern and additional information. (See footnote +.) Vehicles With GVWR Above8,500 lbs. Only: Inspect shields and underhood insulation for damage or looseness. Adjust or replace as required. This is a Noise Emission Control Service. Applicable only to vehicles sold in the United States. Lubricate 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 seals for leaking. (See footnote **.) 0For Two-Wheel-Drive vehicles only: Clean and repack the front wheel bearings (or at each brake relining, whichever occurs first). 7-26