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Power Strokes
6.4 Aftermarket
Hpfp leaked diesel into crank case...
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[QUOTE="08BIGRIG, post: 940082, member: 3985"] I got a call today that informed me that the new seal is less acceptable to return pressure over the factory lip seal and snap ring combo. If you are running just a single pump in the back of the valley, I would suggest looking at all of your return lines and make sure they are all ok and nothing is pinched off somewhere. Specifically I would look at the line that comes off the heads and attaches to the top of the fuel cooler. I have found though all the research that I have done over the past few months that the part of the line that is flexable and then turns to metal before it attaches to the fuel cooler is becoming VERY common to become either kinked off or pinched and you will not know it unless you look very closely at it. I would start there and make sure all the lines look good first. [/QUOTE]
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Hpfp leaked diesel into crank case...
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