Will not disengauge from 4WD
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Joined: Feb 2016
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From: Maryland
Will not disengauge from 4WD
I have a 2001 Dodge Ram Sport 360 automatic, bought the truck used/not running, had to rebuild the motor. I have not looked closely yet but I think it works off of vacuum. I found a small green hard plastic line under the hood at the rear of the motor that is not connected to anything, is that what is causing the 4WD issues? Does it simply need hooked to vacuum? Or is it something else? Any and all help would be much appreciated
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Joined: Apr 2010
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From: Clayton MI
Green line is the vent line.
Check out the vacuum lines at the front axle. In 2wd, you should have vacuum on the outboard port, in 4wd, should have vacuum at the inboard port. The metal lines are notorious for rusting out..... also, if it's cold where you are, if enough moisture collects in the lines, it can freeze, and cause a blockage. (don't ask how I know this.....) Verify the vacuum system. Take it from there.
Diagram of vacuum lines for 4x4.
Check out the vacuum lines at the front axle. In 2wd, you should have vacuum on the outboard port, in 4wd, should have vacuum at the inboard port. The metal lines are notorious for rusting out..... also, if it's cold where you are, if enough moisture collects in the lines, it can freeze, and cause a blockage. (don't ask how I know this.....) Verify the vacuum system. Take it from there.
Diagram of vacuum lines for 4x4.
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