Pickup 4WD L4-2366cc 2.4L SOHC (22R) (1984)
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Coolant Temperature Sensor/Switch (For Computer): Testing and Inspection
Thermo Switch
1.
Drain coolant and remove thermo switch.
2.
Cool thermo switch to below 109°F and check that switch has continuity.
3.
Heat switch to above 131°F and check that there is no continuity.
4.
Apply liquid sealer to threads of switch and reinstall it, then refill radiator with coolant.
