1998 Chevrolet Express Van Owner's Manual - Page 336

I Short TripKity Maintenance Schedule -- Gasoline Engines I 0 Check axle fluid level and add fluid as needed. (See footnote **.) Rotate tires. See "Tire Inspection and Rotation" in the Index for proper rotation pattern and additional information. (See footnote +.) I 99,000 Miles (165 000 km) 0 Change engine oil and filter (or every 3 months, whichever occurs first). An Emission Control Service. 17 Lubricate chassis components (or every 3 months, whichever occurs first). (See footnote #.) 0 Check axle fluid level and add fluid as needed. (See footnote **.) DATE I ACTUAL MILEAGE I SERVICEDBY I I 1 100,000 Miles (166 000 km) 0 Inspect spark plug wires. An Emission Control Service. 17 Replace spark plugs. An Emission Control Service. 17 Change automatic transmission fluid and filter if the vehicle's GVWR is over 8600 lbs. or if the vehicle is mainly driven under one or more of these conditions: - In heavy city traffic where the outside temperature regularly reaches 90°F (32°C)or higher. DATE I ACTUAL MILEAGE I SERVICEDBY: I I (Continued) 7-25