Ford Thunderbird Starting in the 1950s, this was a classic American sports cars, from the compact original of the 1950s, to the muscular hard top coupes of the 1980s and 1990s to the retro look of the 2003 model year, this car is, and always will be, an American classic.

83 T-bird Ac issues

  #1  
Old 08-27-2010, 03:09 PM
erc004's Avatar
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Default 83 T-bird Ac issues

I have a 83 t-bird with AC problems. When the engine is cold the ac blows cold air. After the engine gets hot it blows hot air. The freon is full and clutch is working. Any ideas?
 
  #2  
Old 08-28-2010, 08:57 AM
stuart40ca's Avatar
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It could be a blend door not closing or opening.
Check for vacuum leaks.
Is the condensor clean?

You mention full of freon, have you had the pressure taken?
 
  #3  
Old 09-01-2010, 06:47 PM
erc004's Avatar
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Default Blend door

I figured out it is a problem with the blend door opening and shutting on its own. Anyone know how I can fix that issue. A diagram or something?
 
  #4  
Old 09-02-2010, 07:16 AM
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If a door is operating by itself that means there is a vacuum leak.
Check the entire vacuum system, the leak could be anywhere.
 
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