C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Air conditioning problem

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Old Jun 9, 2002 | 01:47 PM
  #1  
hz900's Avatar
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From: The Black Hole LA
Default Air conditioning problem

For some reason my air cond. compressor will come on but the air is still hot when it comes out the vents. The system has plenty of freon in it. Someone told me that in the ductwork somewhere there is a baffle that opens and closes depending on whether or not the heater or air is on and that it was probably stuck in the heater position. Has anyone ever heard of this or can someone give me another explination. It is an 86 model with the digital AC/heater controls.
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Old Jun 9, 2002 | 02:06 PM
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Default Re: Air conditioning problem (hz900)

maybe the electronic climate control is screwed up, you may have to pull it and check the connections.
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Old Jun 9, 2002 | 05:08 PM
  #3  
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Default Re: Air conditioning problem (hz900)

How do you know there is plenty of R134A in the system?
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Old Jun 9, 2002 | 05:59 PM
  #4  
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Default Re: Air conditioning problem (vader86)

86 has R12
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Old Jun 10, 2002 | 12:36 PM
  #5  
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Default Re: Air conditioning problem (hz900)

Not familair with that particular system but check to see if it has a heater valve and that its not stuck open --heater will overpower the a/c every time. If you get a/c with a stone cold engine then this is probably the prob. Other than that the car will have a blend door --be it electric or vacuum operated. Check it for proper operation.
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