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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1451 (Engine Cooling System) >> Repair Instructions >> Cooling Fan and Shroud Replacement >> Removal Procedure

Removal Procedure

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2004 Oldsmobile Bravada, 2004 GMC Envoy XUV, 2004 GMC Envoy XL, 2004 GMC Envoy, and 2004 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
  1. Drain the cooling system. Refer to Draining and Filling Cooling System (LL8)  or Draining and Filling Cooling System (LM4) .
  2. Remove the air cleaner assembly. Refer to Air Cleaner Assembly Replacement in Engine Controls - 4.2L.
  3. Remove the air resonator assembly. Refer to Air Cleaner Outlet Resonator Replacement in Engine Controls - 4.2L.
  4. Remove the inlet radiator hose. Refer to Radiator Hose Replacement - Inlet (LM4)  or Radiator Hose Replacement - Inlet (LL8) .
    5. Fig 1: Identifying Cooling Fan
    GM750177Courtesy of GENERAL MOTORS CORP.
  5. Remove the transmission oil cooler lines from the fan shroud.
  6. Disconnect the fan clutch electrical connector.
  7. Using J 46406  remove the fan clutch from the water pump. See Special Tools and Equipment .
  8. Remove the mounting bolts from the upper fan shroud.
  9. Lift and push the fan shroud inward to clear the filler neck on the radiator.
  10. Remove the fan and the shroud.
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