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Removal Procedure

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    Fig 1: View of Block Heater
    GM751506Courtesy of GENERAL MOTORS CORP.
  1. Drain the cooling system. Refer to Draining and Filling Cooling System .
  2. Disconnect the block heater cord from the block heater.
    3. Fig 2: View Of Engine Block Coolant Heater
    GM635660Courtesy of GENERAL MOTORS CORP.
  3. Remove the engine block heater.
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