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Home >> Hummer >> 2003 >> H2 >> Repair and Diagnosis >> Engine Mechanical >> Cooling System (Mechanical) >> Engine Cooling >> Repair Instructions >> Radiator Replacement >> Installation Procedure

Installation Procedure

  1. Install the radiator (2) to the vehicle (1).
    Fig 1: Identifying Radiator
    GM801114Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to FASTENER NOTICE .
  2. Install the radiator bolts (3) to the radiator (2).

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

  3. Install the engine oil cooler lines to the radiator. Refer to Engine Oil Cooler Pipe/Hose Quick Connect Fitting .
  4. Install the transmission oil cooler lines to the radiator. Refer to TRANSMISSION FLUID COOLER LINE QUICK CONNECT .
    5. Fig 2: Radiator Vent Inlet Hose
    GM801115Courtesy of GENERAL MOTORS CORP.
  5. Install the radiator vent inlet hose (2) to the radiator.
  6. Position the radiator vent inlet hose clamp to the radiator.
  7. Install the surge tank inlet hose (1) to the radiator.
    8. Fig 3: Surge Tank Hose & Radiator
    GM801111Courtesy of GENERAL MOTORS CORP.
  8. Position the surge tank inlet hose clamp to the radiator.
    9. Fig 4: Radiator Hose & Radiator (Outlet)
    GM801112Courtesy of GENERAL MOTORS CORP.
  9. Install the radiator outlet hose (3) to the radiator (1).
  10. Position the radiator outlet hose clamp (2) to the radiator (1).
  11. Install the fan shroud. Refer to Fan Shroud Replacement .
    12. Fig 5: Radiator Hose & Radiator (Inlet)
    GM801113Courtesy of GENERAL MOTORS CORP.
  12. Install the radiator inlet hose (4) to the radiator (6).
  13. Position the radiator inlet hose clamp (5) to the radiator (6).
  14. Fill the cooling system. Refer to Draining and Filling Cooling System .
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