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Registered
Join Date: Mar 2002
Location: Deerfield Beach, FL
Posts: 64
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A/C blowing hot air...
 Got an anoying issue with my a/c momentarily blowing hot air upon acceleration. It only does it for a few secs, usually upon starting from a dead stop and on a fast take-off... Afterwards it blows cold air again, what gives??? PS: The system blows hot air upon accel when a/c is off too!!! (fan also off...) If anyone cqan shed a light I would appreciate it! Thanks in advance.
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1989 944 Grey/Linen lthr |
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05-30-2002, 11:26 PM
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Join Date: Feb 2000
Location: Kingsport, TN
Posts: 2,935
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When you let off how fast does it return to normal? Immediately or does it take a few seconds?
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05-31-2002, 05:59 AM
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Join Date: Mar 2002
Location: Deerfield Beach, FL
Posts: 64
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It takes a few seconds... No more than a minute though, but even after it is blowing again, it takes a few sec for the temp to get cold again...
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1989 944 Grey/Linen lthr |
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05-31-2002, 01:24 PM
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Registered
Join Date: Feb 2000
Location: Kingsport, TN
Posts: 2,935
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Doesn't vacuum control the heater valve in front of the firewall?
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05-31-2002, 03:25 PM
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Join Date: Feb 2001
Location: Viera FL
Posts: 5,642
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I'm taking a shot in the dark here, but, I always try the simple/cheap things first...
Check your alternator/AC belt for proper tension and/or excessive wear. If your belt is loose and/or worn, you may not get the compressor spinning as quickly as it needs to be, until it has time to "catch up" - Especially since you say this happens when you go from a dead stop to a fast take-off. Can you duplicate the problem with the car standing still? Does it do it at any other time? Beyond that, there are quite a few causes - some easy, others ugly. Need some more details to troubleshoot this one properly. AFJuvat |
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05-31-2002, 09:27 PM
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