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Davo, Master technician
Category: Chevy
Satisfied Customers: 3253
Experience:  ASE Master Technician also L1 Advanced Engine Performance Specialist
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1999 chevy astro: waterpump..clutch..the bolt out of the pully

Customer Question

I have a 1999 chevy astro van. Need to change the waterpump Can't figure out how to get the clutch fan off. Have got the bolt out of the pully.But don't know how the fan comes off.
Submitted: 10 years ago.
Category: Chevy
Expert:  Davo replied 10 years ago.
There is a special wrench and pulley holding set of tools.Most auto parts carry them now and they are fairly cheap.

Fan Replacement

Removal Procedure

Tools Required

J 41240 Fan Clutch Wrench

    Caution: To help avoid personal injury or damage to the vehicle, a bent, cracked, or damaged fan blade or housing should always be replaced.

  1. Remove the upper fan shroud. Refer to Fan Shroud Replacement - Upper .
    Object Number: 48321  Size: SH
    Click here for detailed picture of above image.

  2. Remove the fan clutch using the J 41240 .
  3. Remove the fan and fan blade clutch assembly from the vehicle.
  4. Remove the four bolts retaining the fan blade to the fan blade clutch.
  5. Remove the fan from the fan blade clutch.

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