Dodge/Ram Diesel Tech Discussions on all generations of Cummins Diesel powered Rams plus the new Eco Diesel

2003 Dodge P/U A/C cold drivers side, warm pass side

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Old 07-17-2013 | 08:44 PM
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ejharwood84
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Default Blend Door

Your blend door is bad, and from the research I have done its a safety issue because it will effect your defrost as well. I bought a new one online for 50 dollars. It will require the glove box be removed...






Originally Posted by pcso1046
I have a 2003 Ram 25 Cummins Diesel. I've had it for 9 years and this is the second time this has happened. For some weird reason, the air on the driver's side blows cold but the air on the passenger side is significantly warmer.

I took it to a shop the first time and the guy figured it out stating something about filling the coolant and/or it's "weird" how you have to do it. My stepdad has a 2005 or 2006 and it's happened to him too.

My question(s) is has anyone else had this happen and is it owner fixable? Any ideas are welcome. I'm not an idiot with mechanics but I'm not going to rebuild a motor either.
 



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