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Old 05-04-2010, 08:26 PM
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MikeHTally MikeHTally is offline
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Join Date: May 2010
Location: Tallahassee, Florida
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Vehicle: 2003 Dodge Ram QCSB
Trim Level: SLT
Color: Bright Silver
Engine: 2003-2008 345ci (5.7L) Hemi V8 345hp 375lb/ft
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Sounds like the infamous "blend door". When it malfunctions, you can't change the airflow. Fairly common (and expensive) failure.
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2003 QCSB Ram, 2006 Chrysler 300C, 2008 1/2 Mazda Speed 3.
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