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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1498 (Engine Cooling System) >> Repair Instructions >> Cooling Fan and Shroud Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2003 Oldsmobile Bravada, 2003 GMC Envoy XL, 2003 GMC Envoy, and 2003 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the air intake baffle. Refer to AIR INTAKE BAFFLE REPLACEMENT - RADIATOR  in Body Front End.
  2. Remove the hood latch support. Refer to HOOD LATCH SUPPORT REPLACEMENT  in Body Front End.
  3. Disconnect the transmission cooler lines at the engine and release the lines from the fan shroud.
  4. Remove the 2 upper bolts on the fan shroud.
  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.
    Fig 1: Removing Upper Inlet Radiator Hose From Radiator
    G02129793Courtesy of GENERAL MOTORS CORP.
  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: Removing Fan Hub Nut From Water Pump Shaft
    G02129794Courtesy of GENERAL MOTORS CORP.
  10. Unclip the fan shroud from the radiator at the side panels (1).
  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.
    Fig 3: Unclipping Fan Shroud From Radiator At Side Panels
    G02129795Courtesy of GENERAL MOTORS CORP.
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