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Home › Hummer › 2010 › H3 Base, Standard › Repair and Diagnosis › Engine Mechanical › Cooling System (Mechanical) › Engine Cooling › Repair Instructions › Radiator Replacement (Gasoline) › Installation Procedure

Installation Procedure

    Fig 1: 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 (LLR)  or Fan Replacement (LH9) .
    4. Fig 2: 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: Radiator Support Bracket & Retaining Bolt
    GM1566576Courtesy of GENERAL MOTORS CORP.
  6. Install the radiator support bracket.
    7. CAUTION: Refer to Fastener Caution .
  7. Install the radiator support bracket retaining bolt.

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

    8. Fig 4: Radiator Retaining Bolts
    GM2006364Courtesy of GENERAL MOTORS CORP.
  8. Install the radiator retaining bolts.

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

  9. Install the discharge hose. Refer to Discharge Hose Replacement (LLR) or Discharge Hose Replacement (LH9) .
  10. Remove the evaporator tube. Refer to Air Conditioning Evaporator Tube Replacement (Right Hand Drive) or Air Conditioning Evaporator Tube Replacement (LH9) or Air Conditioning Evaporator Tube Replacement (LLR) .
    11. Fig 5: Fan Shroud & Retainers
    GM1566566Courtesy of GENERAL MOTORS CORP.
  11. Install the fan shroud to the radiator.
  12. Raise the vehicle.
    13. Fig 6: 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: 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. Refer to Oil Pan Skid Plate Replacement
  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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