Impala V6-3.8L SC VIN 1 (2005)
Engine Block Heater: Service and Repair
Coolant Heater Cord Replacement
Coolant Heater Cord Replacement (3.8L)
Removal Procedure
1. Remove the coolant heater cord retainer from the upper radiator support.
2. Raise and support the vehicle. Refer to Vehicle Lifting.
3. Cut the coolant heater cord retaining straps from the engine wiring harness.
4. Disconnect the coolant heater cord from the coolant heater.
5. Lower the vehicle.
6. Remove the coolant heater cord from the vehicle.
Installation Procedure
1. Notice: The heater cord must not touch the engine, hot pipes, manifold, or any moving parts. Route the cord to the left front of the engine
compartment securing with tie straps as necessary to prevent damage.
Install the coolant heater cord to the vehicle.
2. Raise the vehicle.
3. Connect the coolant heater cord to the coolant heater.