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Help, I found my EAS leak kind of, How to get to leak?

2.1K views 5 replies 3 participants last post by  Mitoska1977  
#1 ·
I was on the highway and I hear a very loud hissing noise, I stopped , I figured a airbag blew out, my truck dropped all the way down to the bumpstops, I got it home and in my garage and it went into hard fault. I jumped the 1 & 8 wire to get the compresser to fill up so I could find the leak, I thought I could here a hissing from the rear driver airbag, so I took the air line to that bag off but no air was coming from the line at all and I still hear hissing. The leak appears to be coming from inbetween the rear two bags, I can get my hand up above the big metal piece above the axel and feel a little air coming out, but I can't feel a line up there and I see no way to take that metal thing down. Where I feel air is behind the brake lines that are up there? So does anybody have a diagram of how the airhoses go, or is there a tank back there somewher? How do I get access to those lines up there- Thanks-Josh
 
#2 ·
#4 ·
ok, but??

Ok, but is there a way to get access to the tank or line? I'm not sure where the tank is and I don't know how to get to it, or how to get access to the line that Is leaking. I can't actually feel where the line is up there, but I can feel a bit of air when the compresser is on so I know there is a problem up there-
 
#5 ·
the tank is mounted to the right side frame rail, the line comes out the back of it, runs up towards the right rear spring where the lines join up, then across the frame (where your leak is) to the left spring, then all 3 run together forward to the valve block. The best way to get at the line would be to disconnect it from the tank (push in the brass collet with a 6 or 7mm open end wrench to release the barbs and pull the line out) then pull the line out by the left rear wheel, I have connectors, you can just cut the line at the hole and install the connector, or replace the entire line (my recomendation).
 
#6 ·
found it!

I found the leak, I pulled all three lines out and it was the line from the compresser to the tank, thanks for the help. If anybody is reading this in the future there is no way to get to the rear air lines, you just need to pull them out to get to the problem-