Chevrolet 2002 Astro Owner's Manual page 372

Long Trip/Highway Scheduled Maintenance
60,000 Miles (100 000 km) (Continued)
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Check rear/front axle fluid level and add fluid as needed. Check constant
velocity joints and axle seals for leaking.
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For Two Wheel Drive vehicles only: Clean and repack the front wheel
bearings (or at each brake relining, whichever occurs first).
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Change automatic transmission fluid and filter 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 every 50,000 miles (83 000 km).
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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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Inspect engine accessory drive belt.
An Emission Control Service.
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Replace fuel filter.
An Emission Control Service. (See footnote
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Replace engine air cleaner filter.
An Emission Control Service.
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