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Old Apr 16, 2011 | 02:11 AM
  #1  
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ckim34
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From: San Jose CA
Default HVAC issue

When I turn on my A/C the drivers side vents blow hot air but the passenger side gets cold air. Anyone have any idea what the problem is? Thanks
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Old Apr 16, 2011 | 07:13 AM
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Dream C5
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From: Richmond Va
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Pull codes and post sounds like bad ac actuator, if you dont have any codes may be low on freon. Re-indexing may work also do a search for instructions.
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Old Apr 16, 2011 | 07:39 AM
  #3  
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From: Yangpyeong Gyeonggi-Do
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Common problem with C5. I would suggest before you do any tearing into actuators you have someone check the low/high pressures. Take it to someone that knows what they are doing and make sure the pressures are correct. There is a very good explanation here on the forum as to why the A/C does this. There are also good write-ups concerning the correct pressures at specific RPM/Temperture/humidity. The pressures have got to be correct or you will continue to have the problem. If the pressures are correct there could be a craked gear on the drivers actuator as suggested above. May or may not throw a code. Probably have a slow leak in the system. Good luck.....
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Old Apr 16, 2011 | 08:04 AM
  #4  
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I agree with pulling the codes to start with. From there, you'll have a better idea.
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Old Apr 16, 2011 | 09:49 PM
  #5  
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time to take her to my mechanic. seeing as how my vette has over 170k and this is the first time Ive had a real problem with it i guess it was due! thanks for the info guys!
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Old Apr 16, 2011 | 11:10 PM
  #6  
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My 98 did that when it needed freon.
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