1997 Chevrolet Tahoe Owner's Manual - Page 385
1997 Chevrolet Tahoe Manual
Page 385 highlights
1 Long TripMighway Maintenance Schedule -- Gas 15,000 Miles (25 000 km) (Continued) Vehicles 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 Control Service. Applicuble only to vehicles sold in the United States. 22,500 Miles (37 500 km) 0Change engine oil and filter (or every 12 months, whichever occursfirst). An Emission Control Service. 0Rotate tires. See "Tire Inspection and Rotation" in the Index for proper rotation pattern and additional information. (See footnote +.) Lubricate chassis components (or every 12 months, whichever occursfirst). (See footnote #.) 0Check readfront axle fluid level and add fluid as needed. Check constant velocity joints and axle seals for lealung. (See footnote **.) 0Rotate tires. See "Tire Inspection and Rotation" in the Index for proper rotation pattern and additional information. (See footnote +.) 7-32