that engine has the 6 individual cam driven fuel pumpers. A failed pumper or orings. Fuel supply pump is gear driven & could also cause it.
why do i have diesel going into my oil
Discussion in 'Mack Forum' started by tonkamack, Jul 7, 2012.
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Like these guys said, it could be a number of things. I wouldn't hesitate to fix it, though. I've been told that it will wipe out your bearings if it gets diluted enough
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There is a plug in front of the block for fuel galley that has been know to leak into front cover
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Having seen this before and repairing such issues on many occasions, I Would have to agree with others, injector 'o' rings would be first place to look.
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