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Discussion Starter · #1 ·
Not sure what to search for - couldn't find anything about this issue.<p>I've noticed lately that about 10-30 minutes after my car is off, the fan comes on and stays on. It was on for over 2 hours the other day according to my neighbor. <p>Any thoughts? I pop the key in, turn it on/off and the fan shuts off.
 

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Re: Fan running after car off (MrDan)

<A HREF="http://forums.swedespeed.com/zerothread?id=121798" TARGET="_blank">http://forums.swedespeed.com/zerothread?id=121798</A> <p>2 hours seems a bit long. Was it really hot??
 

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Re: Fan running after car off (850arrrsaylikepirate)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD><i>Quote, originally posted by <b>850arrrsaylikepirate</b> »</i></TD></TR><TR><TD CLASS="quote"> <A HREF="http://forums.swedespeed.com/zerothread?id=121798" TARGET="_blank">http://forums.swedespeed.com/zerothread?id=121798</A> <p>2 hours seems a bit long. Was it really hot??</TD></TR></TABLE><p>I read that thread - didn't seem to really apply here. It was about 85 out when it did 2 hours. I usually notice if after about 30 minutes.
 

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Re: Fan running after car off (MancUnited1)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD><i>Quote, originally posted by <b>MancUnited1</b> »</i></TD></TR><TR><TD CLASS="quote">Afterblow?</TD></TR></TABLE><p>?
 

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Re: Fan running after car off (MrDan)

It's a software upgrade, at customer's expense, that keeps the fans on after the car is turned off to blow air through the cabin vents. When the car's AC is used, the tubes get cold obviously. When the car is turned off, condensation forms on the inside of the tubes. Small amounts of water build up/mildew forms, and a smell will emit from the vents everytime you let the car sit for a day (or sometimes even only a few hours) and start it back up.
 

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Discussion Starter · #7 ·
So this might be something the previous owner had set up? I didn't notice it at all last summer - just this year.
 

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Re: (MrDan)

Could very well be. I'm not too familiar with it on cars, from what I have heard sometimes it works, sometimes it doesn't. I remember JRL had some select words about it in the past <IMG NAME="icon" SRC="http://www.vwvortex.com/vwbb/biggrin.gif" BORDER="0">
 

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Re: (MrDan)

Which fan are we talking about? Inside the car or up at the radiator?<p>One thing this is NOT, is AFTERBLOW. If afterblow is enabled, it will run the interior fan, at high speed, for 7 minutes. This occurs 50 minutes after shutdown. There are no variables here except perhaps duration, which can be shortened if a low battery condition is detected.<p>Assuming we are talking about the interior fan, and it is doing as you described, than there is an issue with the fan relay sticking, or the fan controller failing.
 

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Discussion Starter · #10 ·
Re: (rogersampson)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD><i>Quote, originally posted by <b>rogersampson</b> »</i></TD></TR><TR><TD CLASS="quote">Which fan are we talking about? Inside the car or up at the radiator?<p>One thing this is NOT, is AFTERBLOW. If afterblow is enabled, it will run the interior fan, at high speed, for 7 minutes. This occurs 50 minutes after shutdown. There are no variables here except perhaps duration, which can be shortened if a low battery condition is detected.<p>Assuming we are talking about the interior fan, and it is doing as you described, than there is an issue with the fan relay sticking, or the fan controller failing.</TD></TR></TABLE><p>This is the interior fan blowing. I'll see if I can get it checked out this week ... to add to my current $3918 estimate.
 

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Re: (MrDan)

Does your fan behave normally other than this issue? Do you have proper speed control from low to high? If so I suspect your controller IS OK, and would suspect the relay. <p>If you are going to the dealer for other work, there are diagnostics they can run o n the CCM, (Climate Control Module). If the relay is behaving itself at the time, unfortunately it will not be detected.
 
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