1997 GMC Sonoma Owner's Manual - Page 359
1997 GMC Sonoma Manual
Page 359 highlights
1 Long Tripmighway Maintenance Schedule 82,500 Miles (137 500 km) 0Change engine oil and filter (or every 12 months, whichever occurs first). A HEmission Control Service. 0Check readfront axle fluid level and add fluid as needed. Check constant velocity joints and axle seals for leaking. (See footnote **.) 0Rotate tires. See "Tire Inspection and Rotation" in the Index for proper rotation pattern and additional information. (See footnote +.) 0Lubricate chassis components (or every 12 months, whichever occurs first). (See footnote #.) DATE ACTUAL MILEAGE SERVICED B Y 7-49
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