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

  1. Reposition the condenser to the radiator.
    2. Fig 1: Condenser And Radiator
    GM1566564Courtesy of GENERAL MOTORS CORP.
    Fig 2: Installing Radiator
    GM1566578Courtesy of GENERAL MOTORS CORP.
  2. Install the radiator assembly to the vehicle.
  3. Install the cooling fan. Refer to Fan Replacement .
    4. Fig 3: Radiator Inlet Hose
    GM1566572Courtesy of GENERAL MOTORS CORP.
  4. Install the radiator inlet hose to the radiator.
  5. Using J 38185  reposition the radiator inlet hose clamp.
    6. Fig 4: Radiator Support Bracket Retaining Bolt
    GM1566576Courtesy of GENERAL MOTORS CORP.
  6. Install the radiator support bracket.
  7. Install the radiator support bracket retaining bolt.

    Tighten:  Tighten the bolt to 25 N.m (18 lb ft).

    8. Fig 5: Condenser To Radiator Retaining Bolts
    GM1566563Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice .
  8. Install the condenser to radiator retaining bolts.

    Tighten:  Tighten the bolts to 28 N.m (21 lb ft).

    9. Fig 6: Fan Shroud At Radiator
    GM1566566Courtesy of GENERAL MOTORS CORP.
  9. Install the fan shroud to the radiator.
  10. Raise the vehicle.
    11. Fig 7: Radiator Outlet Hose
    GM1566574Courtesy of GENERAL MOTORS CORP.
  11. Install the radiator outlet hose to the radiator.
  12. Using J 38185  reposition the radiator outlet hose clamp to the radiator.
    13. Fig 8: Transmission Cooler Lines At Radiator
    GM1566575Courtesy of GENERAL MOTORS CORP.
  13. Connect the transmission cooler lines to the radiator. Refer to Transmission Fluid Cooler Line Quick Connect Fitting for the 4L60-E/4L65-E transmission.
  14. Lower the vehicle.
  15. Install the radiator vent inlet hose to the radiator.
  16. Fill the cooling system. Refer to Draining and Filling Cooling System .
  17. Evacuate and recharge the A/C system. Refer to Refrigerant Recovery and Recharging .
  18. Leak test the fittings. Refer to Leak Testing .
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