1997 GMC Sonoma Owner's Manual - Page 337

Short Trip/City Maintenance Schedule 69,000 Miles (115 000 km) 0Change engine oil and filter (or every 3 months, whichever occurs first). An Emission Control Service. 72,000 Miles (120 000 km) Change engine oil and filter (or ever!? 3 months, whichever occurs first). An Emission Control Service. 0Lubricate chassis components (or every 3 months, whichever occurs first). (See footnote #.) Check readfront axle fluid level and add fluid as needed. Check constant velocity joints and axle seals for leaking. (See footnote **.) 0Lubricate chassis components (or every 3 months, whichever occurs first). (See footnote #.) I DATE I ACTUAL MILEAGE ISERVICED BY: I (Continued) 7-27