Chevrolet 2000 Express Van Owner's Manual page 363

Long Trip/Highway Scheduled Maintenance
50,000 Miles (83 000 km)
j
Change automatic transmission fluid and filter if the vehicle has a diesel
engine, 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.
– In hilly or mountainous terrain.
– When doing frequent trailer towing.
– Uses such as found in taxi, police or delivery service.
If you do not use your vehicle under any of these conditions, change the fluid
and filter at 100,000 miles (166 000 km).
52,500 Miles (87 500 km)
j Change engine oil and filter (or every 12 months, whichever occurs first).
An Emission Control Service.
j Lubricate chassis components (or every 12 months, whichever occurs first).
(See footnote #.)
j Check axle fluid level and add fluid as needed. (See footnote **.)
j Rotate tires. See "Tire Inspection and Rotation" in the Index for proper
rotation pattern and additional information. (See footnote +.)
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DATE
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DATE
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