2002 GMC Savana Van Owner's Manual - Page 349

Short Trip/City Scheduled Maintenance 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 axle fluid level and add fluid as needed. 2500 and 3500 Series Only: 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 axle fluid level and add fluid as needed. j Rotate tires. See "Tire Inspection and Rotation" in the Index for proper rotation pattern and additional information. (See footnote +.) 3,000 Miles (5 000 km) DATE ACTUAL MILEAGE SERVICED BY: If your vehicle has a locking differential, drain fluid and refill at first engine oil change. 6,000 Miles (10 000 km) DATE ACTUAL MILEAGE SERVICED BY: 7-10