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Home >> Chevrolet >> 2005 >> Aveo Base, 4D Hatchback >> Repair and Diagnosis >> Engine Mechanical >> Cooling System (Mechanical) >> Engine Cooling System >> Repair Instructions >> Coolant Heater Replacement >> Removal Procedure

Removal Procedure

    Fig 1: Installing/Removing Coolant Heater In Engine Block
    GM785734Courtesy of GENERAL MOTORS CORP.
  1. Drain the cooling system. Refer to Draining and Filling Cooling System .
  2. IMPORTANT: A residual amount of coolant will drain from engine block.
  3. Disconnect the coolant heater power supply cord from the coolant heater.
  4. Remove the coolant heater and seal from the engine block.