1998 Chevrolet Express Van Owner's Manual - Page 345

I Long TripMighway Maintenance Schedule-- Gasoline Engines 67,500 Miles (112 500 km) 0 Change engine oil and filter (or every 12 months, whichever occurs first). An Emission Control Service. 0 Lubricate chassis components (or every 12 months, whichever occurs first). (See footnote #.) 0 Check axle fluid level and add fluidas needed. (See footnote **.) 0 Rotate tires. See "Tire Inspection and Rotation"in the Index for proper +.) rotation pattern and additional information. (See footnote DATE ACTUAL MILEAGE I SERVICED B Y 1 75,000 Miles (125 000 km) 0 Change engine oil and filter (or every 12 months, whichever occurs first). An Emission Control Service. Lubricate chassis components (or every 12 months, whichever occursfirst). (See footnote #.) Check axle fluid level and add fluid as needed.(See footnote **.) 0 Vehicles With GVWR Above 8,500 lbs. Only: Inspect shields and underhood insulation for damage or looseness. Adjust or replace as required. This isa Noise Ernission Control Service. Applicable only to vehicles sold in the United States. 0 Rotate tires. See "Tire Inspection and Rotation"in the Index for proper rotation pattern and additional information.(See footnote +.) DATE __ 1 7-34