Join Date: Aug 2009
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vacuum leak / 4x4 hubs
My hubs will not engage unless i get out and manually lock them. transfer case works fine. Ive noticed that my a/c is blowing through the defrost vents. Im sure that i have a vacuum leak but I crawled underneath the truck and looked everywhere for the leak but is still cant find it.
The end of the vacuum line going into the front hubs was brittle and broken, but when the vacuum pump was running i didnt feel any vacuum suction from those lines at all. Ive pulled lines off of the vacuum pump and they have suction.
Im tired of getting out and manually locking the hubs. I just want the 4x4 to work like it should! I just cant figure it out....!