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1998 Dodge Ram 1500 Question: my a/c and heat will not go to the desired location when turning the dial.



captkirk, 5.2L V8, Livonia, MI, August 21, 2010, 15:43

When I turn my a/c to vents or floor,it defaults to my defrost.When I turn it to max a/c it goes to the floor & defrost.When I turn the temp switch to heat,and put the dial to the floor,it comes thru my vents and floor.But when I put it to vents,it goes to defrost.I've tried everything I can.I've found no leak,all seros are working,but not going to my desired location.HELP !!!!!!!!!!!!!!1

2 Answers
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  • Answer #1

    August 21, 2010, 16:11

    It sounds like you have a blend door problem in your Climate Control System. This will need to be inspected by a good Climate Control Diagnostic person.
    here is an article that we at RepairPal.com have constructed to help you with this process.


    here are some shops:


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  • Answer #2

    December 05, 2010, 11:43

    the air duct system is run by a vaccum pump under the dash.the plastic cam on the arm is possibly broke. i have metal tape holding that together for a couple of years now.

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