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Old 12-05-2011, 07:12 AM
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starquestbd22 starquestbd22 is offline
Dodge Ram Forum Senior Member
Join Date: Jan 2011
Location: NC
Age: 33
Posts: 2,675
Gender: Male
Vehicle: 2004 Dodge Ram 1500 4X4
Trim Level: Sport quad cab
Color: Bright Silver Metallic
Engine: 2003-2008 345ci (5.7L) Hemi V8 345hp 375lb/ft
Rep Power: 6
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Just probably figured this out when you looked at it carefully but there will not be any vacuum leaks because all of the Ram HVAC doors are electronically controlled with a tiny motor. That's actually the reason the doors are so prone to fail. The motors overdrive the plastic doors and stop pins and they eventually break.

I have not used any of Heatertreaters products (because the only door I have had fail thus far is the recirc door and I just blocked it off) but they seem extremely comprehensive and knowledgable. Their kits replace the stock plastic doors with steel doors that obviously aren't going to break. They also have detailed instructions that can guide you to replace every single door except for one...I think it's one of the mode doors, the one that controls airflow from defrost to floor....without pulling the dash. I have also read a lot of reviews on them and most folks say the instructions are very simplistic and easy to follow. In short, if I develop a need I won't hesitate to purchase one of their products.

Lastly, I do not know how to remove the bar that you are talking about....the one that connects the two blend doors I think? I do remember seeing them do it in one of their diagnosis vids on youtube and it seems simple. That information you linked from them is accurate though. If the blend doors fail and fall in the down position they will effectively cut off the heater core. The core is sandwiched between the two doors in a horizontal position and there is a door on each side of it. With the doors closed it's completely blocked off. Hope some of this helps. Good luck and keep us updated!
06-08 chrome clads w/33" Cooper Discoverer H/T Plus, Mopar tailgate spoiler, debadged door trim & tailgate emblems, 13" antenna, LED dome & maps, Magnaflow 22" SI/DO, 18% tint, "HEMI" hood spears, VHT tinted tails & third brake light, Lamin-x optic blue fogs, leveled w/McGaughys 2" drop shackles.

Last edited by starquestbd22; 12-05-2011 at 07:14 AM.
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