Engine Block Heater: Service and Repair

Removal

CAUTION: Do not mix Standard (green) Coolant with Extended Life Coolant (orange). If mixing occurs, drain engine cooling system and refill with originally equipped coolant type. If this contamination occurs the service change interval on Extended Life Coolant will be reduced from 6 years/150,000 miles to 3 years/30,000 miles.

1. Drain the cooling system.
2. Raise and support the vehicle.





3. Disconnect the connector.





4. Remove the block heater.

1 NOTE: Do not loosen the screw more than necessary for removal. Loosen the screw.

2 Twist and slide the block heater to release the retainer clip and discard the retainer clip.
3 Remove the block heater.

Installation





1. Follow the removal procedure in reverse order.