1997 Chevrolet Suburban Owner's Manual - Page 388
1997 Chevrolet Suburban Manual
Page 388 highlights
Long Tripmighway Maintenance Schedule-- Gasoline Engines 50,000 Miles (83 000 km) 0Vehicles With GVWR Above 8,500 lbs. Only: Inspect shields and underhood insulation for damageor looseness. Adjust or replace as required. This is a Noise Emission Control Service. Applicable only to vehicles sold in the United States. 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 reaches90 O F (32 O C) or higher. - In hilly or mountainous terrain. - When doing frequent trailer towing. - Uses such as found in taxi, police or delivery service. If you do not use your vehicle under any of these conditions, thefluid and,filter do not require changing. 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 I DATE ACTUAL MILEAGE SERVICED BY: 7-35