Operation CHARM: Car repair manuals for everyone.

Engine Block Heater: Service and Repair




Block Heater





Removal and Installation









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. Disconnect the block heater power cable.

4. NOTE: Do not loosen the block heater retaining screw more than necessary for removal.

Loosen the screw and remove the block heater.

- To install, tighten to 4 Nm (35 lb-in).

5. Clean and inspect the engine block mating surface. Lubricate the block heater seal and the cylinder block hole with clean engine coolant.

6. NOTICE: Make sure the power cable is routed and secured away from rotating or hot components or the cable may be damaged.

To install, reverse the removal procedure.