rear ac in the dual system blows hot but the front blows cold what went bad

2002 PONTIAC MONTANA
135,000 MILES
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WKB66RPD
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I have a 2002 pontiac Montana with a dual ac system. What is the issue with the front ac blows cold and the rear blows hot
Jul 3, 2012 at 1:19 AM
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ASEMASTER6371
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could be low freon, could be a bad orfice tube for the rear or a blend door issue in the rear

Roy
Jul 3, 2012 at 1:44 AM
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