Question about Toyota Corolla

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After driving it for a little bit the car start getting hot. I have to turn the heater on to avoid overr heating. I have already change the termostat, the radiator, the watter pump is not leaking, and is not throing water throught the muffler. What seems to be the problem? Thank for your advise. Jean

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Hi janet,

HERE ARE SOME THINGS TO CHECK IT OUT:

Does the cooling fan come on when the engine gets to operating temperature?

  • If not, disconnect the connector on the temp sensor on the thermostat housing, the fan should run all the time with this disconnected as long as the key is on, if this is the case replace the temperature sensor. With the fan running all the time the engine should stop overheating,
  • if it still overheats there may be a restriction in the radiator, some of the core may be clogged causing a reduction in coolant circulation, it may be necessary to replace the radiator or at least have a radiator shop check it, they may be able to clean it out.

OTHER THINGS TO BE CHECKED:

  • Check for the 30amp fuse on the fuse box that goes for the radiator fan
  • Or this be an electrical wiring problem? Check all the electrical wiring
  • Or is there a sensor that needs to be replaced that is in the thermostat housing Sensor

ENJOY! RATE THIS SOLUTION
RNJ VINOD KUMAR

Posted on Jul 17, 2009

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