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Home >> Chevrolet >> 2001 >> Venture Base, Van Passenger >> Repair and Diagnosis >> External Pages >> Different car >> Section 429 (Engine Cooling System) >> Repair Instructions >> Cooling Fan Replacement - Electric (L47) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2002 Oldsmobile Aurora and 2001 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.
WARNING: An electric fan under the hood can start up even when the engine is not running and can injure you. Keep hands, clothing and tools away from any underhood electric fan.
WARNING: To help avoid personal injury or damage to the vehicle, a bent, cracked, or damaged fan blade or housing should always be replaced.
  1. Disconnect the battery negative cable. Refer to BATTERY NEGATIVE CABLE DISCONNECT/CONNECT PROCEDURE .
  2. Remove the upper tie bar. Refer to TIE BAR REPLACEMENT -- UPPER .
  3. Drain the cooling system. Refer to Draining and Filling Cooling System .
  4. Using the J 37097-A  (3) remove the clamp.
    5. Fig 1: Identifying J 37097-A
    G01817513Courtesy of GENERAL MOTORS CORP.
  5. Remove the radiator hose (2) from the radiator (1), and place aside over the engine.
  6. Remove the upper transaxle oil cooler line retaining bolt and retainer from the fan shroud.
  7. Slide the plastic cap off the quick connect joint.
  8. Disconnect the upper transaxle oil cooler line from the radiator using the J 41623-B. 
    Fig 2: Disconnecting Upper Transaxle Oil Cooler Line
    G01817514Courtesy of GENERAL MOTORS CORP.
  9. Disconnect the wiring harness electrical connectors (1) from the cooling fan motors.
  10. Remove the clips (2) attaching the harness to the fan shroud.
  11. Disconnect the 2 retainers from the A/C discharge hose.
    Fig 3: Disconnecting Cooling Fan Motors Wiring Harness Electrical Connectors
    G01817515Courtesy of GENERAL MOTORS CORP.
  12. Remove the 2 fan shroud mounting bolts.

    Important:  Care should be taken when removing the cooling fan assembly not to damage the lower attachment points of both the cooling fan assembly and radiator.

  13. Lift the cooling fan assembly off the lower mounting features of the radiator and position towards the right side of the vehicle in order to remove.
    Fig 4: Removing Fan Shroud Mounting Bolts
    G01817516Courtesy of GENERAL MOTORS CORP.
    CAUTION: The fan blade retaining nut is left hand thread, damage may occur to motor threads if attempting to remove as a right hand thread nut.
  14. Remove the fan retaining nut (5) from the motor (2).
  15. Remove the fan (4) from the motor shaft.
  16. Remove the motor retaining screws (3).
  17. Remove the motor (2) from the shroud (1).
    Fig 5: Exploded View Of Fan Assembly
    G01817517Courtesy of GENERAL MOTORS CORP.
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