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Home >> Hummer >> 2007 >> H3 Automatic >> Repair and Diagnosis >> Engine Mechanical >> Cooling System (Mechanical) >> Engine Cooling >> Repair Instructions >> Radiator Replacement >> Installation Procedure
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Installation Procedure

    Fig 1: View Of Condenser & Radiator
    GM1566564Courtesy of GENERAL MOTORS CORP.
  1. Install the radiator assembly to the vehicle.
  2. Reposition the condenser to the radiator.
  3. Install the cooling fan. Refer to Fan Replacement .
    4. Fig 2: Identifying 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. See Special Tools .
    6. Fig 3: Identifying Radiator Support Bracket Retaining Bolt
    GM1566576Courtesy of GENERAL MOTORS CORP.
  6. Install the radiator support bracket.
    7. NOTE: Refer to Fastener Notice .
  7. Install the radiator support bracket retaining bolt.

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

    8. Fig 4: Identifying Condenser-To-Radiator Retaining Bolts
    GM1566563Courtesy of GENERAL MOTORS CORP.
  8. Install the condenser to radiator retaining bolts.

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

  9. Install the discharge hose. Refer to DISCHARGE HOSE REPLACEMENT .
  10. Install the evaporator tube. Refer to EVAPORATOR TUBE REPLACEMENT (LEFT HAND DRIVE) or EVAPORATOR TUBE REPLACEMENT (RIGHT HAND DRIVE) .
    11. Fig 5: View If Fan Shroud & Radiator
    GM1566566Courtesy of GENERAL MOTORS CORP.
  11. Install the fan shroud to the radiator.
  12. Raise the vehicle.
    13. Fig 6: Identifying Radiator Outlet Hose
    GM1566574Courtesy of GENERAL MOTORS CORP.
  13. Install the radiator outlet hose to the radiator.
  14. Using J 38185  reposition the radiator outlet hose clamp to the radiator. See Special Tools .
    15. Fig 7: View Of Transmission Cooler Lines At Radiator
    GM1566575Courtesy of GENERAL MOTORS CORP.
  15. Connect the transmission cooler lines to the radiator. Refer to Transmission Fluid Cooler Hose/Pipe Quick-Connect Fitting Disconnection and Connection for the 4L60-E/4L65-E transmission, if equipped.
  16. Install the oil pan skid plate.
  17. Install the engine shield. Refer to Engine Shield Replacement .
  18. Lower the vehicle.
  19. Install the radiator vent inlet hose to the radiator.
  20. Evacuate and recharge the A/C system. Refer to REFRIGERANT RECOVERY AND RECHARGING .
  21. Fill the cooling system. Refer to Cooling System Draining and Filling (Static Fill)  or Cooling System Draining and Filling (Vac-N-Fill) .
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