Whenever AC is on, cooling fans start working at full blast.
I have a very weird problem with my 2004 Mazda6 SW 3.0L.
Whenever I turn on the AC, cooling fans start working nonstop at the highest speed, very loud. Even if I turn off the AC, cooling fans never stop. The only way to make the fans stop is to shut off the engine.
Interestingly, if I don't use the AC, cooling fans behave completely normal. After engine idle some time, they start working at normal speed, and after a few minutes they stop as expected.
By the way, AC itself seems working fine without any problem.
Do you have any idea what could be the reason for this problem?
Whenever I turn on the AC, cooling fans start working nonstop at the highest speed, very loud. Even if I turn off the AC, cooling fans never stop. The only way to make the fans stop is to shut off the engine.
Interestingly, if I don't use the AC, cooling fans behave completely normal. After engine idle some time, they start working at normal speed, and after a few minutes they stop as expected.
By the way, AC itself seems working fine without any problem.
Do you have any idea what could be the reason for this problem?
Last edited by snjs; Feb 26, 2021 at 06:41 PM. Reason: More details.
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