Temperature Sensor (Gauge): Service and Repair

Removal





1. Drain the radiator.





2. Disconnect the connector from, the water temperature indicator sender unit.





3. Remove the water temperature indicator sender unit.

Installation
1. Follow the removal procedure in reverse order.





2. Tighten the water temperature indicator sender unit.
3. Fill the cooling system with only Ford Premium Engine Coolant System Fluid E2FZ-19549-AA (in Oregon, F5FZ-19549-CC, in Canada, Motorcraft CXC-8-B) or equivalent meeting Ford specification ESE-M971344-A in a 50/50 mixture with water.
4. Start the engine and check all hoses and connections for leaks. Allow the engine to warm up so that the water thermostat opens.
5. Stop the engine. Top off coolant recovery reservoir as required to maintain minimum cold fill level.