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

Removal Procedure

  1. Drain the cooling system. Refer to Draining and Filling Cooling System .
    2. Fig 1: Radiator Hose & Radiator (Inlet)
    GM801113Courtesy of GENERAL MOTORS CORP.
  2. Reposition the radiator inlet hose clamp (5) from the radiator (6).
  3. Remove the radiator inlet hose (4) from the radiator (6).
  4. Remove the fan shroud. Refer to Fan Shroud Replacement .
    5. Fig 2: Radiator Hose & Radiator (Outlet)
    GM801112Courtesy of GENERAL MOTORS CORP.
  5. Reposition the radiator outlet hose clamp (2) from the radiator (1).
  6. Remove the radiator outlet hose (3) from the radiator (1).
    7. Fig 3: Surge Tank Hose & Radiator
    GM801111Courtesy of GENERAL MOTORS CORP.
  7. Reposition the surge tank inlet hose clamp from the radiator.
  8. Remove the surge tank inlet hose (1) from the radiator.
    9. Fig 4: Radiator Vent Inlet Hose
    GM801115Courtesy of GENERAL MOTORS CORP.
  9. Reposition the radiator vent inlet hose clamp from the radiator.
  10. Remove the radiator vent inlet hose (2) from the radiator.
  11. Remove the engine oil cooler lines from the radiator. Refer to Engine Oil Cooler Pipe/Hose Quick Connect Fitting .
  12. Remove the transmission oil cooler lines from the radiator. Refer to TRANSMISSION FLUID COOLER LINE QUICK CONNECT .
    13. Fig 5: Identifying Radiator
    GM801114Courtesy of GENERAL MOTORS CORP.
  13. Remove the radiator bolts (3) from the radiator (2).
  14. Remove the radiator (2) from the vehicle (1).
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