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Old 09-07-2010, 03:47 PM
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all heat, no cool

had ice cold air in the 85 300d pressure cleaned ( gently) the engine comp, now i have heat and the a/c vents dont blow out the two middle vents just the outboard two and the dash . any ideas i checked all the vacum lines and they look ok,

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Old 09-07-2010, 04:29 PM
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Dead on balls accurate...
 
Join Date: Aug 2006
Location: Red Lion,Pa
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Check the mono valve. You might have blown a wire off of it. If it does not get 12v it will default to full heat!

Check the fuses too. I think it is fuse #8.

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