[1] – Park machine safely.
[2] – Allow engine to cool before servicing the cooling system.
[3] – Remove coolant temperature sensor. (See Remove and Install Coolant Temperature Sensor in Section 20, Group 10.)
[4] –
Suspend sensor (A) in water and coolant mixture.
[5] – Bring water and coolant mixture to specified temperatures while measuring resistance of sensor. Use ohmmeter to check resistance across solenoid terminals.
[6] – If resistance does not meet specification, replace coolant temperature sensor.
[7] – Install sensor.
a. Replace copper washer.
b. Tighten sensor to specification.
c. Refill radiator and recovery tank with approved coolant.
