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A/C Problems

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Old May 25, 2010 | 06:43 PM
  #1  
Irish Whiskey's Avatar
Irish Whiskey
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Default A/C Problems

2000 vette - blows cool air but air flow through vents seems restricted - doesn't change much when you move settings (i.e. front vents, floor vents, vents along windshield) - when it blows out the front vents it blow a little from others - turning fan up only helps a little - vacuum block??
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Old May 25, 2010 | 07:07 PM
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From: Las Cruces New Mexico
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I have noticed the same problem on mine too the last two years. Higher velocity out of the passenger side which to both my wife and me feel colder because I turn the velocity up to get cold on my side. I look forward to an answer to your post.
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Old May 25, 2010 | 09:28 PM
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Oldvetter
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When your A/C is low on freon, the passenger side vents will blow colder than the driver's. Reason, low freon will only cool passenger side of coils.

Solution, add freon. OR, add freon loose freon, find leak and fix.
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Old May 25, 2010 | 10:24 PM
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Try disconnecting the battery for a min and then reconecting. It is supposed to recalibrate something. I did it today because the drivers side was not blowing cold but the passenger side was. Worked like a charm. I will see if i can find the post that I took the advice from. Maybe it will save you a few doll hairs. Good luck.
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Old May 26, 2010 | 12:34 AM
  #5  
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From: Las Cruces New Mexico
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Originally Posted by Oldvetter
When your A/C is low on freon, the passenger side vents will blow colder than the driver's. Reason, low freon will only cool passenger side of coils.

Solution, add freon. OR, add freon loose freon, find leak and fix.
I don't want to speak for Irish Whiskey but it sounds like he and I have cold air just not the same velocity from both sides. I know mine is full of freon, there seems to be a restriction or redirection of air with more towards the passenger side.
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Old May 26, 2010 | 11:57 AM
  #6  
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From: Silver Spring MD
Default Check for vacuum at purple hose under passenger dash

Mine blew out of all outlets until I replaced 90% of my vacuum lines under the hood that were deteriorated by battery acid. Check valve in right front fender was also bad.. Many posts on here on how to correct this.
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Old May 27, 2010 | 10:42 AM
  #7  
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sounds good, thank you. I had forgotten about that fix.
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