Isuzu Ascender 2003-05

Removal & Installation

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  1. Drain the cooling system.
  2.  
  3. Remove the air cleaner assembly.
  4.  
  5. Remove the air resonator assembly for the 4.2L engine or Air Cleaner Resonator Outlet Duct for the 5.3L engine.
  6.  
  7. Remove the inlet radiator hose.
  8.  
  9. Remove the transmission oil cooler lines from the fan shroud.

    Click image to see an enlarged view

    Fig. Transmission oil cooler lines at shroud

  10.  
  11. Disconnect the fan clutch electrical connector.
  12.  
  13. Remove the fan clutch from the water pump.

    Click image to see an enlarged view

    Fig. Fan clutch

  14.  
  15. Remove the mounting bolts from the upper fan shroud.
  16.  
  17. Lift and push the fan shroud inward to clear the filler neck on the radiator.
  18.  
  19. Remove the fan and the shroud.
  20.  

To install:

  1. Install the fan and the shroud.
  2.  
  3. Install the mounting bolts to the upper fan shroud.
  4.  
  5. Tighten the bolts to 28 N-m (21 lb ft).
  6.  
  7. Install the fan clutch to the water pump.
  8.  
  9. Connect the fan clutch electrical connector.
  10.  
  11. Install the transmission oil cooler lines to the fan shroud.
  12.  
  13. Install the inlet radiator hose.
  14.  
  15. Install the air resonator assembly.
  16.  
  17. Install the air cleaner assembly.
  18.  
  19. Fill the cooling system.
  20.  
  21. Connect the negative battery cable.
  22.  

 
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