Coolant Heater Cord Replacement 3.8L

1. Remove the coolant heater cord retainer from the upper radiator support.
2. Cut the coolant heater cord straps at the engine wiring harness.
3. Disconnect the coolant heater cord from the coolant heater.
4. Remove the coolant heater cord from the vehicle.

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.

1. Install the coolant heater cord to the vehicle.
2. Connect the coolant heater cord to the coolant heater.
3. Install a new coolant heater cord straps at the engine wiring harness.
4. Install the coolant heater cord retainer to the upper radiator support.

Coolant Heater Cord Replacement LY7

1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .



2. Disconnect the coolant heater power supply cord from the coolant heater (1).
3. Disconnect the coolant heater cord clip (2) from the coolant heater cord.
4. Lower the vehicle.
5. Disconnect the coolant heater cord clips (3, 4) from the following:

•	The engine wiring harness conduit

•	The engine oil level indicator tube

6. Remove the coolant heater cord from the vehicle.

1. Position the coolant heater power supply cord to the engine.
2. Route the coolant heater cord along the engine wiring harness conduit.
3. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
4. Connect the coolant heater cord to the coolant heater (1).
5. Secure the coolant heater cord clip (2) to the coolant heater cord.
6. Lower the vehicle.
7. Secure the coolant heater cord clips (3, 4) to the following:

•	The engine wiring harness conduit

•	The engine oil level indicator tube