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


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  #21  
Old 06-06-2010, 05:39 PM
jjdafisher jjdafisher is offline
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Default the fix

you guys that fixed it through the glove box way do you still have defrost for the winter? does it only affect the 2 settings on the far left?? i am about to tackle this job next weekend and am wondering the benefits of taking the door out all together or fixing it and leaving it in there?? i am hoping it is this door as i heard there is about 3 or 4 different blend doors in this system.... i am hoping it is only the one that i can get to behind the glove box....
any tips other than what is already posted will help this week end...
or any tests... that can be run "pre-fix" would be appreciated. to try and figure out which door is malfunctioning.
the problem seems to be very similar as everyone else not enough cold air to be coming in to cool down the cab i am getting some cold air but not enough and also i can hear the air which sounds like its muffled behind the glove box...
Jay
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  #22  
Old 06-26-2010, 12:39 PM
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Quote:
Originally Posted by BlueLineRam View Post
I just fixed a broken recirc door on my 06. Like others, my A/C was nice and cold but not blowing hard enough to cool the cab. So I googled the problem and found a quick fix. It took me just 15 mins.

Locate your blower directly underneath the glove box. Remove three screws and pull out the circular blower. Reach up inside the hole, you will probably find a foam covered door lying loose inside. The foam door is your recirc door. Wiggle it a bit so you can pull it out of the blower hole. Check your blower for any broken pieces from the recirc door and then reinstall the blower. Your A/C should be blowing like new. The only catch is from now on you will no longer have recirc available.

For me, I didn't want to pay 400 bucks or try to pull out the entire dash just to fix something that will eventually break again. Like I said, it now blows cold and hard like it was new. If you can live without recirc, then go for it!
I just did this, took me less then 10 mins!! Just as BlueLineRam said: The foam door was lying loose, just pulled it out and everything is working like new!!! This is a great tip!!! Thank you!!
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  #23  
Old 06-26-2010, 12:41 PM
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The recirc door only changes the source air to the HVAC, switching from inside to outside air. Mode doors direct the air to the vents, defrost or floor and the blend door controls the air temprature.
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  #24  
Old 07-10-2010, 12:33 PM
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I have the same problem, I have already removed the damaged recirc. door. Easy, just remove the glove box, it comes right out just depress tabs to crear the stops and unhook it. Next remove the fan , 3 torx screws and a plug. reach up and pull out the broken door, you will have to try several different positions but it can be done without forcing it. A/C will work without it , but I am going to try to replace it, looks like I can by unscrewing the servo motor, positioning the new door then reinstalling the servo motor. all from the glove box!
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  #25  
Old 07-10-2010, 01:33 PM
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when you remove the recirculation door, you are taking in outside air to cool. if you live somewhere it gets uber hot, the ac will really suck.
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  #26  
Old 10-14-2010, 11:38 AM
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James Posey - thanks for sharing.
My 05 has had weak air flow since I bought it 6 months ago - I wish I'd seen this then. Anyway, I used silicone to seal it since it will be easy to peel off when I'm ready to do the correct fix. Today it's like a tsunami in that b****! I love it!
Thanks again!
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  #27  
Old 10-14-2010, 12:55 PM
Seant68 Seant68 is offline
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I just dove into this last weekend, but I wasnt lucky enough for it to be just the recirc door, I had to replace the air blend doors there are 2 one below and one above the heater core in the heater box. After spending a day trying to remove the bottom of the heater box(DUMB) I spoke with a very wise man who said just take these bolts out, these here, drop the steering column unplug the airbags and the dash pulls right out. I saw a pic of this on the first page of this thread I think. Disconnect the heater hoses and the refridgerent lines a few bolts on the heater box and BAM had it out on the ground in about an hour replacing the air blend doors.It was actually a lot easier than it sounds or looks.
The only other thing I had to do was replace the liquid line for ac from the evap coil to the first disconnect which is right behind the air box because the spring got messed up. But the filter is also in this line so prob was good to replace anyway.
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  #28  
Old 10-16-2010, 11:28 PM
jaymiller jaymiller is offline
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Default Repaired Blend Doors

Since we're on this thread I thought I'd share a fix I found this summer. These guys have a kit that makes it easy to repair the Blend, Mode, and Recirc Doors without pulling off the dash: http://www.heatertreater.net/Ram%2002-08%20Listing.html

I think the initial kit is 135.00 for the initial door and dremel tool bit, then it's 35.00 for each door there after.
If you check out their video's, they show you how to diagnose each door problem. I replaced my Upper Blend Door with their kit and my dremel tool and it only took about 1 1/2 hrs.

They show how you can remove and install a new Recirculation Door by removing the 3 Blower screws, pulling the blower and grabbing the broken door...then removing the glovebox and the plastic grate to unstall a new door with a better hinge pin (metal instead of plastic). Very easy fix with video help.

Now my heater core is leaking and I have to pull the dash anyway...Anyone know of a thread on pulling the dash?
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  #29  
Old 07-04-2011, 06:54 PM
lwadey lwadey is offline
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Go to Heatertreater.com. They show you how to replace these doors without taking off the whole dash.
I found my recirc door broke off and was laying over my blower fan. Once I took the broken door out, my AC blew as hard as if it was new. I just cant switch from inside to outside air but who cares? It blows hard and cold and didnt cost me a nickel. Took about an hour to get the broken door out and put all back together...
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  #30  
Old 07-05-2011, 05:12 PM
mrrmobile mrrmobile is offline
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I have this same problem on my '03. Most of the time it works fine, but when on long trips on the interstate with cruise set, it will all of the sudden stop blowing air through the vents. If you sit at idle for a few minutes, it goes back to normal function. I am thinking maybe I have a vacuum leak? I'm not familiar to this system so I don't know if it is even a vacuum run system... Any ideas anyone?

Thanks,
Mike
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