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

Removal Procedure

    Object Number: 673597 Size: SH
  1. Disconnect the engine coolant heater cord from the engine coolant heater.
  2. Remove the engine coolant heater cord clip bolt.
  3. Remove the engine coolant heater cord strap at the secondary air injection pump hose.
  4. Remove the engine coolant heater cord.

Installation Procedure

    Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 581687 Size: SH
  1. Install the engine coolant heater cord to the engine coolant heater.
  2. Position the engine coolant heater cord clip and install the bolt.

    3. Tighten
    Tighten the engine coolant heater cord clip bolt to 32 N·m (24 lb ft).


    Object Number: 673600 Size: SH

    Note: The engine coolant heater cord must not contact the engine, pipes, manifold or any moving parts. Always keep the electrical cord neatly rolled up with the plug end of the cord tucked into the center of the coil and secured in place with the supplied tie straps.

  3. Route the engine coolant heater cord over the generator.
  4. Coil the engine coolant heater cord into a bundle and secure the bundle to the secondary air injection hose pump with the strap.