Engine Block Heater: Service and Repair

Block Heater

2.3L










3.0L










3.5L









Removal and Installation

All vehicles

1. With the vehicle in NEUTRAL, position it on a hoist.

2. Drain the cooling system. For additional information, refer to Cooling System Draining, Filling and Bleeding Cooling System Draining, Filling and Bleeding.

3. If equipped, remove the 7 screws and the underbody cover.





3.5L only

4. Remove the RH catalytic converter.

5. Remove the block heater cover.

All vehicles

6. NOTICE: Make sure that the block heater wiring is routed and secured away from rotating or hot components, or damage to the wiring can occur.

Disconnect the block heater electrical connector.

7. Remove the block heater.
- To install, tighten to 20 Nm (177 lb-in) (2.3L only).

- To install, tighten to 40 Nm (30 lb-ft) (3.0L and 3.5L).

8. To install, reverse the removal procedure.

9. Fill and bleed the cooling system. For additional information, refer to Cooling System Draining, Filling and Bleeding Cooling System Draining, Filling and Bleeding.