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Heating & Cooling 3rd Gen Dodge Ram Heating & Cooling Problems and Questions.


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  #11  
Old 11-16-2012, 07:57 AM
jlentz1988
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i checked all the actuators and they are working, the bled doors are not broken i can hear them moving in the blend box. im lost as to where to go next. im really hoping that its not the heater core
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  #12  
Old 12-13-2012, 08:34 AM
Stampede4.7 Stampede4.7 is offline
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I'm having the same issue, no heat on the drivers side. I'm pullin the dash to replace the heater core, found one of the blend doors broke, #1 I think.
Has anyone found a fix yet?

Thanks.
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  #13  
Old 01-03-2013, 06:22 PM
cwiss21 cwiss21 is offline
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Hey all. Had the same problem as all of you since last winter. Heat on passenger side and cold on driver side. Was getting the 5 second burst of hot air on driver side when I turned it on. Took apart the dash and I checked all of the motors to see if they were working. The hot/cold air motor is actually inside the HVAC system so we stuck a camera down it to see that it was working. Finally, I just decided it had to be heater core. Took it apart today and the heater core was full of rust!! I was scared to replace the heater core because everyone said it was such a hard job. I did it myself and had everything put back together in less than 4 hours! If anyone needs some help let me know. An $80 heater core plus your own labor is a lot better than an $80 heater core plus a mechanics $900 labor(what I was quoted at anyway)
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  #14  
Old 01-18-2013, 07:41 PM
raney02ram raney02ram is offline
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did anybody ever figure out the issue? i have an 02 dodge ram with the same issue. i replaced the actuator that controls driver side heat and ac temp but it keeps spinning 360degrees when its only suppose to spin 45 degrees
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  #15  
Old 03-14-2013, 08:25 PM
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I just fixed this issue on my 02. It was a plugged up heater core. I blew a rad hose a few months back and overheated so it must have set loose a bunch of rust flakes. I removed the hoses and back flushed it numerous times in each direction. I ran the discharge into a bucket and was shocked how much came out. The good news is, I had tons of heat everyday since.

I still have another issue where I don't get air flow to the floor on either side when in recirc to floor and dash. It works in other modes so I believe the blend doors are al functioning. My next step is to pull the controller apart and check for broken solder joints on the controller. Need to pul my Master door/window switch and do the same to it as well. It's always something but thankfully it never adds up to the cost of a new truck.
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  #16  
Old 03-15-2013, 01:36 AM
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my 07 power wagon just did the same thing today. warm air on the passenger side but coldonly on the drivers side. when i put it on defrost its just slightly warm. but ice cold on the floor. any ideas guys? i just bought the truck and am wondering if i got a lemon.
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  #17  
Old 03-23-2013, 12:58 PM
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I would start by flushing the heater core first and then look to the blend doors.

I have owned numerous Dodges over the years and have had to flush the heater core on a couple of them. My 95 2500 V10 was the most notable since it had zero heat anywhere, (not fun at -45F). I flushed it in under 45 minutes and went from no heat to all the heat the V10 could put out. When I mentioned it at work the next day, I discovered 4 more guys with dodges that had the same problem. We all got together at my shop and flushed everyone of them and they all recovered 100%.

The Dodge's must have extra small ports that are easily blocked since all I have ever recovered was mostly rust flakes and the odd bit of silcone from original engine assembly.
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  #18  
Old 03-28-2013, 05:10 AM
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i got mine workin again. got the heater core flushed and found that if you mix regular tap water with extended life coolant it can turn acidic and cause the heater and rad hoses to flake away from the inside.
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  #19  
Old 12-11-2013, 04:52 PM
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Default Same problem, no heat on driver side

My 2005 Dodge Ram 1500 has the same issue. While the air coming out the passenger side is nice and hot on all levels, on the driver side it comes out cold whether at the feet, the face - the Heater treater videos look like a lot of work for not being sure which door is broken . I have the dual controls so that the passenger and driver can adjust climate separately. Can you tell me which blend door/s I should be replacing based on my symptoms? I don't seem to have any issue with switching from different levels so I assume it's not the mode doors.
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  #20  
Old 12-11-2013, 05:50 PM
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I would start with flushing the radiator first. It's by far the easiest place to start and most likely the real problem.
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