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Old 04-20-2015, 01:47 AM   #1
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Noise behind passenger dash with ignition on

Hi guys,
I apologise if this has previously been asked/answered. I did search but couldn't find anything.
When I turn on the ignition switch, there is an irregular, slow "fan type" noise from behind the passenger side dash.
I am curious if this is normal i.e. Should it always be on, should it really be a more constant sound/flow/rate and what function it performs.

I am looking into why my A/C does not appear to cool and noticed this phenomena.

Thanks for any help you can offer.
Cheers
Drew
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Old 04-20-2015, 02:46 AM   #2
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There is a temp sensor for the automatic climate control system behind the round grill on the dash. It contains a fan that pulls cabin air into the sensor.
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Old 04-21-2015, 02:02 PM   #3
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Cabin sensor fan.

Excellent, many thanks.
Is there a way to test this sensor as my AC does not appear to cool, and maybe ths is a factor in that problem.
Thanks again,
Cheers
Drew.
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Old 04-28-2015, 11:21 PM   #4
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Old 05-05-2015, 04:08 PM   #5
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Assistance

Thank you.
Cheers
Drew
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Old 05-05-2015, 05:21 PM   #6
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Isnt it funny how you have to appologize first to keep all the smart A's from from chiming in?
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Old 05-06-2015, 01:35 PM   #7
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Quote:
Originally Posted by BFeller View Post
There is a temp sensor for the automatic climate control system behind the round grill on the dash. It contains a fan that pulls cabin air into the sensor.
If the Fan sensor still running after turning off the ignition switch and key is out,
ignition switch is bad(but that's another thread issue) just FYI.
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