Engine Block Heater: Service and Repair

REMOVAL PROCEDURE
1. Drain the engine coolant. Refer to Draining and Filling Cooling System in Cooling System.
2. Remove the transaxle brace to the engine assembly. Refer to Transmission and Drivetrain.





3. Remove the cord from the engine coolant heater.
4. Loosen the bolt at the engine coolant heater but do not remove.





5. Remove the engine coolant heater.
6. Remove and clean any burrs, compound, paint, or rough spots from the core plug hole.

INSTALLATION PROCEDURE
1. Apply a coat of Permatex (R) Thread Sealant with Teflon to the O-ring and clean the surface of the plug opening.
2. Install the coolant heater by pushing tight to the block.





3. Install the coolant heater so the element is positioned as shown.





4. Tighten the bolt until both locking wings draw tight against the inner wall of the engine block.
^ Tighten the bolt to 2 Nm (17 inch lbs.).

NOTICE: Refer to Fastener Notice in Service Precautions.





5. Install the heater cord to the engine coolant heater.

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.

6. Fill the engine cooling system. Refer to Draining and Filling Cooling System.