Question about 2003 Chevrolet Silverado 2500HD

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Driver side vents blow hot air when a/c is on and the pasenger side vents blow cold?what could be the problem?

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This is very common, this is caused by a bad blend door motor, replace the driverside blend door motor and your problem is solved, you may have alittle trouble locating this motor,seeing that there are 3 to 4 of this motors operating diffrent door on the heaterbox, you would need to locate one by one and move all control settings until you find the one that doesnt move, important move all positions hot /cold defrost vents floor recirculate every setting.

Posted on Jul 12, 2010

  • tianna_05 Aug 28, 2011

    ok but wat if the blend door motor is replaced and it didnt help

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As per your problem mentioned. There are few solved help links to troubleshoot these problems. Go through the list and Click the link below:----

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http://whatisbyme.blogspot.in/2012/05/2000-toyota-avalon-no-heat-on-passenger.html

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http://technoanswers.blogspot.in/2012/02/no-heat-on-oldsmobile-silhouette.html

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http://repairhelpcenter.blogspot.com/2012/01/hot-air-on-drivers-side-vents-only.html

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1 Answer

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As per your problem mentioned.There are few solved help links to troubleshoot these problems.Go through the list and Click the link below:----
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