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Old 11-28-2004, 11:10 AM   #1 (permalink)
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Fan runs constantly...

I have a 92 Prelude with a JDM H22 swap with no CEL and my AC works fine but my radiator fan (I think - could be ac fan) always runs for about 5 minutes after I kill the ignition. If the car hasnt even been driven all day and I just turn the key and power the radio for a sec and then turn it back off, it starts running. Every time... after driving or anything.

Any ideas will be very helpful.
Thanks.
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Old 11-28-2004, 12:05 PM   #2 (permalink)
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when i first swapped my h22 in, it did this for a couple weeks, but then eventually stopped.
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Old 11-29-2004, 10:30 AM   #3 (permalink)
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Hmmm... Sounds a little weird. The radiator fan is on the right; the A/C fan is to the left.

I believe that American 4th gens have a dedicated fan controller, situated next to the ECM. I don't know exactly what this does; and my JDM car doesn't have one. But could there be some mismatch between the ECM (was this swapped?) and the fan control module (or whatever it's called)?
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Old 12-05-2004, 02:31 PM   #4 (permalink)
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mine's done it since i swapped in the H22A three years ago. i don't really see a problem with it unless your battery's low.
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Old 12-05-2004, 04:00 PM   #5 (permalink)
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Well my fan motor died once already from it. I had to pay 60 bucks for another one. Just dont want it to happen again. Plus Im tired of everyone asking - "Whys your fan running?" Just wanna get it right if I can.
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