1997 Chevrolet Express Van Owner's Manual - Page 336

7,500 Miles (12 500 km) 0Change engine oil and filter (or every 12 months, whichever occurs first). An Emission Control Service. 15,000 Miles (25 000 km) 0Change engine oil and filter (or every 12 months, whichever occurs first). An Ernission Control Service. 0Lubricate chassis components (or every 12 months, whichever occurs first). (See footnote #.) 0Check axle fluid level and add fluid as needed. (See footnote **.) 0Rotate tires. See "Tire Inspection and Rotation" in the Index for proper rotation pattern and additional information. (See footnote +.) DATE ACTUAL MILEAGE SERVICED B Y 0Lubricate chassis components (or every 12 months, whichever occurs first). (See footnote #.) 0Check axle fluid level and add fluid as needed. (See footnote **.) 7 (Continued) 7-33