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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1776 (Engine Cooling System) >> Repair Instructions >> Cooling Fan and Shroud Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2002 Oldsmobile Bravada, 2002 GMC Envoy XL, 2002 GMC Envoy, and 2002 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the hood latch support. Refer to HOOD LATCH SUPPORT REPLACEMENT in Body Front End.
  2. Disconnect the transmission cooler lines at the engine and release the lines from the fan shroud.
    Fig 1: View Of Transmission Cooler Lines
    GM754345Courtesy of GENERAL MOTORS CORP.
  3. Remove the 2 upper bolts on the fan shroud.
  4. Drain the cooling system. Refer to Draining and Filling Cooling System .
  5. Reposition the upper inlet radiator hose clamp using J 38185  .
  6. Remove the upper inlet radiator hose from the radiator.
  7. Remove the electrical connector from the shroud.
  8. Position the water pump so the bolts are aligned in the vertical.
  9. Remove the fan hub nut from the water pump shaft in a counterclockwise rotation. Using the J 46406  , in order to secure the water pump pulley, loosen the cooling fan hub nut from the water pump shaft.
    Fig 2: Identifying Cooling Fan
    GM750177Courtesy of GENERAL MOTORS CORP.
  10. Unclip the fan shroud from the radiator at the side panels (1).
    Fig 3: View Of Condenser
    GM753683Courtesy of GENERAL MOTORS CORP.
  11. Tilt the radiator and the condenser forward.
  12. Lift the fan and the shroud up and out towards the engine to release the fan from the radiator to clear the radiator inlet.
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