hvac & A/C vent issue

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ofatmikeo

Junior Member
Joined
Oct 31, 2014
Posts
2
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0
Ram Year
1999
Engine
5.9
ok so my heater / ac works great but when under acceleration only the defroster vent works . even if I have the selector put to dash or floor the air flows out of selected vent . as soon as I step on the gas pedal it switches back to the defrost (windshield vent) weirdest problem I have ever found . any ideas on where to start looking or has anyone else had this issue ? iits a 99 ram 1500 quad cab with the 5.9 auto trans ???????
 

KenBerry

Junior Member
Joined
Aug 30, 2014
Posts
29
Reaction score
8
Location
N. Virginia
Ram Year
1995
Engine
Magnum 5.9L
A very common issue. You'll find lots of threads if you search for "wild vents" or "crazy vents"
 
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