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Home › Hummer › 2003 › H2 › Repair and Diagnosis › Engine Mechanical › Cooling System (Mechanical) › Engine Cooling › Repair Instructions › Drain Cock Replacement › Installation Procedure

Installation Procedure

    Fig 1: Radiator Drain Cock
    GM457901Courtesy of GENERAL MOTORS CORP.
  1. Install the radiator drain cock.
  2. Fill the cooling system. Refer to Draining and Filling Cooling System .
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