a/c blowing through defrost vents
September 5th, 2009, 10:27 AM
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a/c blowing through defrost vents
I just replaced my ac control unit and the resistor(blower motor). now my ac is only coming out of the defrost vents. is there a way to fix this w/o a computer or do i need a computer to fix it?any help appreciated
September 7th, 2009, 10:06 AM
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Got you covered
Hi I got a few things for you to check. The duct work in your truck uses diverter doors that are vacuum operated. You either have a cracked or loose vacuum line or you have a little critter nest stopping the little diverter door from actuating. Hope this helps.
September 8th, 2009, 1:01 PM
#3
I would start by posting more info about your vehicle...if your driving a 1980 p\u then we may start having your chack the vacuum lines....if your in an 09 then its a totally different ball game
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