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Old 01-03-2009, 07:17 PM
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DaveDees DaveDees is offline
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Originally Posted by MissRam View Post
I have a 95 Dodge Ram 5.9 , Just wondering what the vaccum line does on the back of the teperature control assembly, on my intrument panel?
Do I have to discharge my a/c to remove my heater core? How Difficult and how long can i expect the removal and instalation of a core to take??
Any tips would be great !!!!
If I'm not mistaken I believe that vacuum line actuates a door in your heater plenum to let heated or air cooled air into the cabin.

I wouldn't think you need to discharge your a/c to remove the heater core. You just may have to unbolt the compressor and move it out of the way. I wouldn't remove the lines going to it unless they are hard lines. Then you would have another problem.

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