Ranger 4WD L4-153 2.5L SOHC VIN C SFI (2001)
Temperature Sensor (Gauge): Service and Repair
Sender Unit-Water Temperature Indicator, 2.5L
Removal and Installation
WARNING: Never remove the radiator cap under any conditions while the engine is operating. Failure to follow these instructions could result in
damage to the cooling system or engine and/or personal injury. To avoid having scalding hot coolant or steam blow out of the radiator, use extreme
care when removing the radiator cap from a hot radiator. Wait until the engine has cooled, then wrap a thick cloth around the radiator cap and turn it
slowly to the first stop. Step back while the pressure is released from the cooling system. When it is certain all the pressure has been released, press
down on the cap (still with a cloth), turn and remove.
NOTE: The water temperature indicator is brown in color.
1. Remove the radiator cap.
2. Disconnect the temperature sending unit electrical connector.
3. Remove the water temperature indicator sender unit.
4. NOTE: Prepare the new water temperature indicator sender unit for installation by applying pipe sealant or a small amount of an electrically
conductive sealer to the threads, and quickly install the new sender unit.
To install, reverse the removal procedure.
