humming...humming... pam!

04-25-2012, 08:34 PM

#1

jamesf

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humming...humming... pam!

Is it normal that after i turn my car off, i hear an almost electric humming sound coming from the bottom of the car for about 2 minutes and then a large compressed air release sound?

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04-25-2012, 09:29 PM

#2

elle

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I found this and it seems to be what you are talking about:

https://www.rx8club.com/series-i-tech-garage-22/small-motor-pump-noise-under-car-after-shutoff-194310/

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04-26-2012, 10:20 AM

#3

tcole6

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Yeah, sounds like cooling fans running. If it was warm and/or you were driving spiritedly they would come on.

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04-26-2012, 06:05 PM

#4

jasonrxeight

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its your air pump pumping the exhaust gas out the exhaust pipe and cools the cat down.

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04-26-2012, 06:37 PM

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SubliminalPollution

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Quote:

Originally Posted by elle

I found this and it seems to be what you are talking about:

https://www.rx8club.com/showthread.php?t=194310

Someone knows how to search.

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04-27-2012, 12:31 AM

#6

monchie

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My car never does that.

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