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From my little knowledge, the coolant temp sensors is on the bottom of radiator. I have a 95 Camry and recently replaced the radiator and thermostat and my car still overheats. My next project is a temp sensor. This sensor tells the radiator fan when to come on. Generally at about half temp the sensor tells the fan to come on. If this doesnt fix it, look into a fan clutch relay or your water pump could need replacing.
, Keep up the good work FAQFARM!
AnswerThe coolant thermo sensor is located on the outlet to the upper radiator hose. It has green connector and facing up. Air thermo sensor is inside airflow meter housing.Additional:
Remove the 2 wire connector lead. If the fans start up immediately, the temp fan switch is faulty.
If you measure the sensor, using a multimeter on ohms, it will read around 0.5 ohms. Put the sensor into boiling water and measure the sensor again. It will only have risen to around 2.5 to 3.0 ohms. This confirms that it is unserviceable.
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