GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2009 🢒 Aveo 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Coolant Heater Replacement

Removal Procedure

    Object Number: 785734 Size: SH
  1. Drain the cooling system. Refer to Cooling System Draining and Filling.

    2. Note: A residual amount of coolant will drain from engine block.

  2. Disconnect the coolant heater power supply cord from the coolant heater.
  3. Remove the coolant heater and seal from the engine block.

Installation Procedure

    Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 785734 Size: SH
  1. Install the seal to the coolant heater.
  2. Install the coolant heater in to the engine block and tighten to 60 N·m (44 lb ft).
  3. Connect the coolant heater power supply cord to the coolant heater.
  4. Fill the cooling system. Refer to Cooling System Draining and Filling.