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Home >> Hummer >> 2006 >> H3 Automatic >> Repair and Diagnosis >> Engine Mechanical >> Cooling System (Mechanical) >> Engine Cooling >> Repair Instructions >> Radiator Replacement >> Removal Procedure

Removal Procedure

  1. Drain the coolant from the radiator. Refer to Draining and Filling Cooling System .
  2. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
    3. Fig 1: Transmission Cooler Lines At Radiator
    GM1566575Courtesy of GENERAL MOTORS CORP.
  3. Remove the transmission cooler lines from the radiator. Refer to Transmission Fluid Cooler Line Quick Connect Fitting for the 4L60-E/4L65-E transmission.
  4. Using J 38185  reposition the radiator outlet hose clamp from the radiator.
  5. Remove the radiator outlet hose from the radiator.
    6. Fig 2: Radiator Outlet Hose
    GM1566574Courtesy of GENERAL MOTORS CORP.
  6. Lower the vehicle.
  7. Remove the cooling fan. Refer to Fan Replacement .
  8. Using J 38185  reposition the radiator inlet hose clamp.
  9. Remove the radiator inlet hose from the radiator.
    10. Fig 3: Radiator Inlet Hose
    GM1566572Courtesy of GENERAL MOTORS CORP.
  10. Remove the radiator vent inlet hose from the radiator.
    11. IMPORTANT: Push retainers back to release the fan shroud from the radiator.
  11. Remove the fan shroud from the radiator.
    12. Fig 4: Fan Shroud At Radiator
    GM1566566Courtesy of GENERAL MOTORS CORP.
  12. Remove the condenser to radiator retaining bolts.
    13. Fig 5: Condenser To Radiator Retaining Bolts
    GM1566563Courtesy of GENERAL MOTORS CORP.
  13. Remove the radiator support bracket retaining bolt.
  14. Remove the radiator support bracket.
    15. Fig 6: Radiator Support Bracket Retaining Bolt
    GM1566576Courtesy of GENERAL MOTORS CORP.
    Fig 7: Removing Radiator Assembly From Vehicle
    GM1566578Courtesy of GENERAL MOTORS CORP.
  15. Remove the radiator assembly from the vehicle.
    16. Fig 8: Condenser And Radiator
    GM1566564Courtesy of GENERAL MOTORS CORP.
  16. Reposition the condenser from the radiator.
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