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A/C blows hot air. Recharged a/c, checked all fuses,
relays, blend door. Help!

(1997 Mercury Grand Marquis)
in Concord, NC on June 14, 2013
Have troubleshot everything. Blend door works. Blows hot air constantly on AC and heat. Temp doesn't change at all. Compressor works, Condenser no leaks. Please help
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