I took the intake ram off the turbo to get to the injectors because numbers 3, 4, 5, and 6 are leaking. And i found a good amount of oil in the turbo and ram... why is there oil in there and is it bad? Oh and where can i get the little ring that goes betwen the injector nut and the injector? And can i weld the exhaust maefold if its cracked?

 

Let the truck idle much? Oil can build up from idling, otherwise a worn turbo or restricted oil return can force oil into the intake. Being the manifold is cast iron welding is nothing simple and almost always cracks again. The little o rings won't prevent the injectors from leaking if that's what you're after, just meant to limit the crud that can get between the injector and nut.


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So i should rebuild the turbo? I just took all six injectors apart and cleaned the crap out of them. theres only two of the rings left on my truck, and the injectors that have them dont leak... if thats not the problem what could be makink them leak?

 

Old age, the copper washer is what makes the seal for the injector to the head. Maybe new washers (correct thickness) and you could try torquing the nut a little over factory spec. It's not uncommon to get a little combustion gases bubbling out, which you never notice til you crack the injectors and get things a little wet with diesel.


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sounds like turbo is bad to me. also cummins or dodge dealer can get you the copper washers for injectors although i,ve never seen em go bad unless there in and out alot.