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Ok.. I have an 2007 2500hd Duramax (LBZ). It is leaking diesel somewhere around the fuel filter. I cant spot where from... Any key locations? It takes for every to crank over. Has pulled low fuel pressure in fuel rail code. Pouring out crazy now. I replaced filter still leaking. WHAT DO I DO!?!?
 

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I bet that either one, the filter housing is cracked or 2 you didn't get the old seals/o-rings off when you changed the fuel filter. Also, there should be a bleeder screw on top of the filter housing...it is black and plastic. Personally I would call the dealer since it is on an 07. I guess it could also be the water in fuel sensor leaking out.
 
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