My fans wont turn on unless my a.c is on
10

Asked by Macho92 Jul 02, 2016 at 03:56 PM about the 1999 Honda Accord EX V6

Question type: Maintenance & Repair

4 Answers
101,635

KenF answered 7 years ago

The fans automatically come on when AC is on. Otherwise the temp sensor should turn the fans on when the engine heats up. You installed a new temp sensor but the fans are still not turning on - you may have a problem with coolant flow, like a blocked/plugged radiator, corroded water jacket in the engine, or a bad water pump. You can also replace the thermostat and radiator cap just to eliminate those possibilities.

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