Question about 1992 Honda Accord

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Do both fans come on at the same time? Especially with motor off?

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They may or may not both come on. The fans are connected to a thermal switch that determines when they come on based on water temperature. It is built in such a manner so that at a specific temperature it turns one fan on,and if the water temperature climbs to a higher temp it will turn the second fan on. Correspndingly the fans will turn off in the same sequence as the temp in the radiator falls. The fans and their switches are connected to direct battery power bypassing the ignition so as to prevent heat damage to the engine when it is shut off after running. After you shut the car off the engine temp will continue to rise for a brief period of time before it starts to cool off and that is why the fans will come on and off, to keep it cool. Hope this helps.

Posted on May 10, 2010

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