Engine Block Heater: Service and Repair

Block Heater - Gasoline Engines

Removal and Installation
1. Drain the cooling system.





2. Disconnect the (A) block heater wire extension from the (B) block heater wiring and remove.
3. Raise and support the vehicle.





4. Disconnect the (A) block heater wiring from the (B) block heater and remove.





5. Remove the block heater.

1. CAUTION: Do not loosen the block heater screw more than necessary for removal.

Loosen the screw.

2. Twist and slide the block heater to release the retainer clip and remove. Discard the retainer clip.

6. NOTE: To ease installation, coat the block heater seal and the cylinder block hole with grease.

To install, reverse the removal procedure.