Question about Dodge Ram 1500

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No heat on drive side a little coming out of the defroster

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It sounds like you have an actuator panel that is sticking. Try moving the selector switch between all the different positions, i.e. floor, panel, defrost, while the unit is blowing on high. Sometimes this will help, but ultimately you will probably have to get into the dash and check for an obstruction or some other type of interference. It may just need a lil oil on the pivot points. Hope this helps.

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