Chevrolet 2001 Express Van Owner's Manual page 355

Short Trip/City Scheduled Maintenance
30,000 Miles (50 000 km) (Continued)
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Rotate tires. See "Tire Inspection and Rotation" in the Index for proper
rotation pattern and additional information. (See footnote +.)
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Diesel Engine Only: Check the air intake system installation to assure that
gaskets are properly sealed and that all hose connections, fasteners and other
components are tight. Also check to be sure that the air cleaner housing is
properly seated and the cover fits tightly. Tighten connections and fasteners or
replace damaged parts as necessary. This is a Noise Emission Control Service.
Applicable only to vehicles sold in the United States.
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Diesel Engine Only: If your engine has a thermostatically controlled cooling
fan, inspect all hoses and ducts for proper hook
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.
33,000 Miles (55 000 km)
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Change engine oil and filter (or every 3 months, whichever occurs first).
An Emission Control Service.
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Lubricate chassis components (or every 3 months, whichever occurs first).
(See footnote #.)
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Check axle fluid level and add fluid as needed. (See footnote **.)
7-16
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up (or every 12 months,
DATE
ACTUAL
SERVICED BY:
MILEAGE