1997 GMC Sonoma Owner's Manual - Page 356

1 Long Tripmighway Maintenance Schedule 60,000 Miles (100 000 km) 0Change engine oil and filter (or every 12 months, whichever occurs first). An Emission Control Service. - 0Inspect engine accessorydrive belt. 0Replace fuel filter. (See footnote?.) 0Replace air cleaner filter. An Emission. Control Service. An. Emission.Control Service. 0Lubricate chassis components (or every 12 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, whicheveroccurs first). 0Rotate tires. See "Tire Inspection and Rotation" in the Index for proper rotation pattern and additional information. (See footnote +.) 0Inspect fuel tank,cap and lines for damage or leaks. Inspect fuelcap gasket for any damage. Replace parts as needed. An Emission Control Service. (See footnote?.) 7-46