1999 Chevrolet Tahoe Owner's Manual - Page 386

yellowblue Long Trip/Highway Scheduled Maintenance -- Gasoline Engines 90,000 Miles (150 000 km) (Continued) Rotate tires. See "Tire Inspection and Rotation" in the Index for proper rotation pattern and additional information. (See footnote +.) j j Change engine oil and filter (or every 12 months, whichever occurs first). An Emission Control Service. j Lubricate chassis components (or every 12 months, whichever occurs first). (See footnote #.) j Check rear/front axle fluid level and add fluid as needed. Check constant velocity joints and axle seals for leaking. (See footnote **.) j Rotate tires. See "Tire Inspection and Rotation" in the Index for proper rotation pattern and additional information. (See footnote +.) 97,500 Miles (162 500 km) DATE ACTUAL MILEAGE SERVICED BY: 100,000 Miles (166 000 km) j Inspect spark plug wires. An Emission Control Service. j Replace spark plugs. An Emission Control Service. DATE ACTUAL MILEAGE SERVICED BY: 7-36