CTS V8-5.7L VIN P (2004)
Engine Block Heater: Service and Repair
Coolant Heater Cord Replacement
Coolant Heater Cord Replacement (LS6)
Removal Procedure
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 (AIR) pump hose.
4. Remove the engine coolant heater cord.
Installation Procedure
1. Install the engine coolant heater cord to the engine coolant heater.
Notice: Refer to Fastener Notice in Service Precautions.
2. Position the engine coolant heater cord clip and install the bolt.
Tighten the engine coolant heater cord clip bolt to 32 Nm (24 ft. lbs.).
3. Important: 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.
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 AIR hose pump with the strap.