Engine Block Heater: Service and Repair

Block Heater

3.5L Gasoline Turbocharged Direct Injection (GTDI) and 3.7L Engines










5.0L Engine










6.2L Engine









Removal and Installation

All engines

1. Drain the engine cooling system. For additional information, refer to Cooling System Draining, Filling and Bleeding Service and Repair.

3.5L Gasoline Turbocharged Direct Injection (GTDI) and 3.7L engines

2. Remove the air cleaner outlet pipe.

All engines

3. NOTICE: To install, route the block heater power cable away from hot or rotating components, or the cable can be damaged.

Disconnect the block heater electrical connector.


3.5L GTDI (Gasoline Turbocharged Direct Injection) and 3.7L engines

4. Remove the bolt and the block heater.
- To install, tighten to 6 Nm (53 lb-in).


5.0L and 6.2L engines

5. Remove the block heater.
- To install, tighten to 40 Nm (30 lb-ft).


All engines

6. To install, reverse the removal procedure.