1996 Chevrolet Express Van Owner's Manual - Page 313

Short TripKity Maintenance Schedule-- Gasoline Engines 30,000 Miles (50 000 km) 0Change engine oil and filter (or every 3 months, whichever occurs first). An Emission Control Service. 0If your engine has a thermostatically controlled cooling fan, inspect all hoses and ducts for proper hook-up (or every 12 months, whichever occurs first). Be sure the valve works properly. This is a Noise Emission Control Service. Applicable only to vehicles sold in the United States. 0Lubricate chassis components; see footnote # (or every 3 months, whichever occurs first). 0Check axle fluid level and add fluid as needed. ** 0Clean and repack fiont wheel bearings (or at the each brake relining, whichever occurs first). 0Replace fuel filter. An Emission Control Service. 0Rotate tires. See "Tire Inspection and Rotation" in the Index for proper rotation pattern and additional information. During tire rotation, check brake calipers for freedom of movement. Refer to the appropriate GM service manual for proper caliper service procedures. 3- 0Replace air cleaner filter. An Emission Control Service. 0Vehicles With GVWR Above 8,500 lbs. Only: Inspect shields and underhood insulation for damage or looseness. Adjustor replace as required. This is a Noise Emission Control Service. Applicable only to vehicles sold in the United States. I DATE I ACTUAL MILEAGE ISERVICED B Y I 7-13