Temperature Sensor (Gauge): Service and Repair

Removal

CAUTION: Do not mix Standard (green) Coolant with Extended Life Coolant (orange). If mixing occurs, drain engine cooling system and 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. Disconnect the battery ground cable.
2. Partially drain the cooling system.





3. Disconnect the connector.





4. Remove the water temperature indicator sender unit.

Installation





1. Follow the removal procedure in reverse order.
^ Apply Ford Pipe Sealant with Teflon D8AZ-1955-A or equivalent meeting Ford specifications WSK-M2G350-A2 and ESR-M1SP7-A to the threads of the sender unit.