Which A/C Door needs replaced?

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Fireblade910

Junior Member
Joined
Mar 28, 2017
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Ram Year
2007
Engine
5.7L Hemi
So my passenger A/C vents are pretty cold, but my drivers side vents are both mildly cool. Before diving in and replacing doors, I'd like to know how I can tell which door needs to be replaced? I was debating shooting some refrigerant in, but if the passenger is blowing cold (not ICE cold, but pretty cold), then it's likely something else. From reading online, it looks like theres at least 4 doors inside (wtf!)

Can someone give me guidance? Thanks!!
 
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