Question about 1993 Honda Accord

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Over heating fans dont come on when car heats up but comes on when i turn the car off . so it over heats at stop light and cools down while driving .replace raidador,fan swich,cooling fan relay,and therostat.

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  • Raymond Hall
    Raymond Hall May 11, 2010

    OK here is what you need to do, so far it sounds like a electrical problem as the vehicle cools down while driving ,remove the fan relay and test the electrical connections There should be one terminal that has power regardless of where the ignition switch is set. With the key on the on position there should be another pin with power. If both of these are there the fault is in the control of the relay .

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Tempature sending sensor

Posted on Jan 18, 2009

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this can be checked by running the car until it heats up and looking at the fan to see if it is running.
This usually isn't an issue as long as you are driving, but when you stop or driving slow or in traffic it will start heating up quickly. your fan keeps air flow going through the engine while at a stop to help cool down the engine compartment and pull.push air through the radiator

If you still over heat no matter if your driving or stopped it may be a thermostatic radiator valve that went bad. this is a release valve between the radiator and the engine that helps control the coolent flow between the engine and radiator and control how much heat is taken out of the engine to be cooled in the radiator.

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