2003 Chevrolet Express Van Owner's Manual - Page 356

60,000 Miles (100 000 km) CI Check rear/front axle fluid level and add fluid as needed. Check constant velocity joints and axle seals for leaking. U Clean and repack the front wheel bearings (or at each brake relining, whichever occurs first). 0 Rotate tires. See Tire Inspection and Rotation on page 5-62 for proper rotation pattern and additional information. (See footnote +,) 0 Replace fuel filter. An Emission Control Service. (See footnote f.) 0 Vehicles With GVWR Above 10,000 Ibs. Only: Inspect shields for damage or looseness. Adjust or replace as required. 3 s is a Noise Emission Control Service. Applicable :,::$ to vehicles sold in the United States. U Inspect Evaporative Control System. Check all fuel and vapor lines and hoses for proper hook-up, routing and condition. Check that the purge valve works properly, if equipped. Replace as needed. An Emission Control Service. (See footnote f . ) 67,500 Miles (112 500 km) t Check readfront axle fluid level and add fluid as l needed. Check constant velocity joints and axle seals for leaking. 0 Rotate tires. See Tire Inspection and Rotation on page 5-62 for proper rotation pattern and additional information. (See footnote +.) 75,000Miles (125 000 km) 0 Check readfront axle fluid level and add fluid as needed. Check constant velocity joints and axle seals for leaking. 0 Vehicles With GVWR Above 10,000 Ibs. Only: Inspect shields for damage or looseness. Adjust or replace as required. This is a Noise Emission Control Service. Applicable only to vehicles sold in the United States. 0 Rotate tires. See Tire Inspection and Rotation on page 5-62 for proper rotation pattern and additional information. (See footnote +.) 6-9