1997 GMC Suburban Owner's Manual - Page 373

I Short TripKity Maintenance Schedule -- Gasoline Engines I 48,000 Miles (80 000 km) 0Change engine oil and filter (or every 3 months, whichever occurs first). An Emission Control Service. 50,000 Miles (83 000 km) 0Change automatic transmission fluid and filter if the vehicle is mainly driven under one or more of these conditions: - In heavy city traffic where the outside temperature regularly reaches 90 O F (32°C) or higher. - In hilly or mountainous terrain. - When doing frequent trailer towing. - Uses such as found in taxi, police or delivery service. under any of these not require changing. conditions, the fluid andfilter do DATE ACTUAL MILEAGE SERVICED B Y 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**.) Rotate tires. See "Tire Inspection and Rotation" in the Index for proper rotation pattern and additional information. (See footnote +.) Ifyou do not use your vehicle I DATE I ACTUAL MILEAGE 1SERVICED BY: I 7-17