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Dodge AC plenum/ blend door

Genetech on Wed August 26, 2009 11:30 PM User is offline

Year: 2006
Make: Dodge
Model: Ram 2500
Engine Size: 5.9
Refrigerant Type: 134
Country of Origin: United States

I offered to change a good friends Dodge AC recirculation door. I installed a new air inlet with the new upgraded door and still have the considerably warmer passenger air than drivers side. The truck does not have dual climate control and while dash was pulled back I checked the blend door by removing the actuator and checked by moving the shafts. Both upper and lower doors seemed to move freely and very quietly. I still have the issue with the warmer air. Can someone please give me some guidance on this repair. The warm air seems to be coming by the heater core. The new air inlet works very good and seems not to be the culprit. Does the blend doors warp or have issue that can let warmer air by?

Thank you in advance for your time and knowledge. I do have the alldata subscription but see no service bullitens or recalls on this issue.

-Paul L.

HECAT on Thu August 27, 2009 5:47 AM User is offline

Coolant bypass valve? Pinch off or by-pass heater core and see if the problem goes away.


HECAT: You support the Forum when you consider for your a/c parts.


Genetech on Thu August 27, 2009 11:40 AM User is offline

Thank you very much. I do know that the heater core was circulating coolant even with heater off, but it did not register about the valve.

Thanks a million

Chick on Thu August 27, 2009 12:02 PM User is offlineView users profile

That is also an indication of a low charge, make sure the system is properly charged....

Email: Chick


Freedoms just another word for nothing left to lose

Genetech on Thu August 27, 2009 11:41 PM User is offline

Ok will do. I will reply on my findings when it is repaired.

Thanks for all of your help!!!!!!!!!!!

Genetech on Fri August 28, 2009 11:47 AM User is offline

Dodge states there is no heater control valve on this truck. I also looked in alldata and dont see any information on this. Is it possible this truck does not employ one of these valves?


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