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Home >> GMC >> 2001 >> C3500 HD 8.1 G, Automatic >> Repair and Diagnosis >> Engine Mechanical >> Cooling System (Mechanical) >> Engine Cooling >> Repair Instructions >> Drain Cock Replacement >> Installation Procedure

Installation Procedure

  1. Install the drain cock.
  2. Fill the cooling system. Refer to Draining and Filling Cooling System .
    Fig 1: Installing Drain Cock
    G01600970Courtesy of GENERAL MOTORS CORP.