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Old 12-18-2019, 04:51 PM   #1
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Blend door

Getting ready to fix my low heat problem. My truck puts out lukewarm heat so I figured it was a blend door. Looking on rock auto there are several options for doors. So Is it called a recirculation door, defrost door etc....?

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Old 12-18-2019, 10:10 PM   #2
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These arent cheap, for the trouble, I would say do it once, and not worry about them again. https://www.blenddoorusa.com/collect...nt=31070305872
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Old 12-18-2019, 11:31 PM   #3
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I had a horrible time doing the doors on the 07. I first did the blend door. Then changed out the ac core. Then the rest of the doors. Then tore it apart again and changed out a door motor. Cracked the windshield with a socket on a universal during one of the teardowns. Change the AC compressor and lines. Had the passenger side under the hood tore apart twice. Thought I had used a line with the wrong size orfice.
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Old 12-18-2019, 11:44 PM   #4
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The root of my problem was I didn't recognise that the whole system was worn out and it "all" needed replacement and I kept fixing one problem at a time. The broken windshield was just frustration with a socket on a long extention hanging on a universal. I highly recommend replacing every component the first time around and saving a fortune on labor.
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2003 RCSB, 2wd, "Pro-Street"
6.4L/cog driven V7-Ysi/46rh trans/HTH Truckarm coilover suspension. HP Tuning...

1956 Jeep Willys Pickup Hemi powered "Street Rod project"

1# 2017 HTC FASTEST HEMI List....
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Current 60' PB 1.351 (2019) mechanical issue for 1/4m

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Old 12-19-2019, 12:53 AM   #5
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Another great producer of A/C blend doors is https://heatertreater.net/dodge-ram-02-08.
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Old 12-19-2019, 08:47 AM   #6
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Go in there one time. The heater treater doors are own style but the blend door USA are aluminum. There is a price diff but worth it. Will take the average person about 4-5hrs easy if you never done it before a shop that knows there stuff can pull it off in under 2hrs no problem. Go in there 1 time pay and be done.
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Old 12-27-2019, 06:47 AM   #7
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I just removed mine all together. The door broke off and was stopping the air flow through the vents. Even with the fan on high the airflow was restricted. The temperature was always hot though. I was able to get the door out through the blower motor hole so this was the easiest and didn't have to remove anything but 3 screws for the blower motor. Putting a new one in would have been a different story.

Did this last summer and the only thing I can't do is switch from fresh air to recirculate cabin air. I get a little bit of both which to me has not been an issue.
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Old 12-28-2019, 02:18 AM   #8
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Quote:
Originally Posted by Ghost~Shadow View Post
I just removed mine all together. The door broke off and was stopping the air flow through the vents. Even with the fan on high the airflow was restricted. The temperature was always hot though. I was able to get the door out through the blower motor hole so this was the easiest and didn't have to remove anything but 3 screws for the blower motor. Putting a new one in would have been a different story.

Did this last summer and the only thing I can't do is switch from fresh air to recirculate cabin air. I get a little bit of both which to me has not been an issue.
Had to fix this one coupla years ago. Like you said, getting the busted door out is easy. Had to remove the glovebox and amp so I could get the solenoid out of the way. It was a royal friggin pain in the @ss but I was able to get the replacement door (that had a metal pin to the solenoid instead plastic) back up the same way the old one came out and get it aligned correctly. Then it was just a matter of putting the solenoid back on (testing of course) then putting everything back together. If you know someone with smaller hands and arms it's worth it to bribe/beg/convince them to do it. The one I got from Rockauto: https://www.rockauto.com/en/moreinfo...=1413425&jsn=1
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