2002 GMC Sonoma Owner's Manual - Page 413

Short Trip/City Scheduled Maintenance j Replace fuel filter. An Emission Control Service. (See footnote [.) j Replace engine air cleaner filter. An Emission Control Service. j Rotate tires. See "Tire Inspection and Rotation" in the Index for proper rotation pattern and additional information. (See footnote +.) 93,000 Miles (155 000 km) j Change engine oil and filter (or every 3 months, whichever occurs first). An Emission Control Service. j Lubricate chassis components (or every 3 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 **.) DATE ACTUAL MILEAGE SERVICED BY: 7-29