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Home › Buick › 2003 › Century Custom › Repair and Diagnosis › Engine Mechanical › Cooling System (Mechanical) › Engine Cooling System › Repair Instructions › Drain Cock Replacement › Installation Procedure

Installation Procedure

  1. Install the seal on the drain cock plug stem.
  2. Install the drain cock plug. Make sure that the body is fully seated in the side tank and that the locking tabs are engaged.
    Fig 1: Installing Radiator Drain Plug
    G01969636Courtesy of GENERAL MOTORS CORP.
  3. Install the lower air deflector. Refer to RADIATOR AIR BAFFLE AND DEFLECTOR REPLACEMENT - LOWER  .
  4. Fill the cooling system. Refer to DRAINING AND FILLING COOLING SYSTEM  .
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