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HVAC issue

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Old Sep 15, 2007 | 06:12 PM
  #1  
sonneboz's Avatar
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1st Gear
Joined: Jun 2005
Posts: 41
Default HVAC issue

Hey guys, question about my B6 1.8 quattro.I run the A/C at 68, occasionally the fan speed drop all the way down, turning completely off, then 5-6 seconds later, will go back to the previous setting. Is this a normal operation, or is the A/C freezing itselfso it shuts down, or some other reason? Any suggestions?

Thanks,
 
Old Sep 15, 2007 | 08:13 PM
  #2  
hiwords's Avatar
5th Gear
Joined: May 2007
Posts: 7,728
From: noob from NY
Default RE: HVAC issue

i think it's normal. my b5 does a similar thing. when it's like 90 out, i turn the a/c to 70 and the fan speed just goes all the way up by itself. then it slows down as the cabin temp drops. very neat feature actually. i luv it
 
Old Sep 15, 2007 | 08:51 PM
  #3  
cantdrive55's Avatar
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Joined: May 2007
Posts: 542
From: Morgantown, WV
Default RE: HVAC issue

I think that the AC is just regulating the cabin temp automatically. You set it for 70 then it works hard to drop it down to that temp, then if it starts getting warm again like 72 it will kick itself up a bit, then slow back down once it reaches that optimal temp.

Maybe I'm totally off base though...
 
Old Sep 15, 2007 | 09:18 PM
  #4  
Belligerenceâ„¢'s Avatar
Joined: Dec 2006
Posts: 1,005
From: British Columbia
Default RE: HVAC issue

ORIGINAL: cantdrive55

I think that the AC is just regulating the cabin temp automatically. You set it for 70 then it works hard to drop it down to that temp, then if it starts getting warm again like 72 it will kick itself up a bit, then slow back down once it reaches that optimal temp.

Maybe I'm totally off base though...
that's exactly how it works... hence the name "automatic climate control".
 
Old Sep 17, 2007 | 09:50 PM
  #5  
sonneboz's Avatar
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Default RE: HVAC issue

When I start the car, it kicks up really high, then slows down, that's not my problem. After driving a little while, the fan will completely shut off for 5-6 secs, then kick back up. I live in Tampa, FL, so I doubt it gets to 70 and can stay there. It's like the system just stops for no reason, then restarts.
 
Old Sep 19, 2007 | 05:33 AM
  #6  
aikibil's Avatar
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Joined: Sep 2006
Posts: 276
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Default RE: HVAC issue

i'm in sarasota w/an older b5, but my fan never stops and thats set @74. maybe they changed something in the newer cars, but down here, i just don't see the fan shutting off, ever. the 04 boxster always ran too.
 
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