Blowby/high crankcase pressure
03-05-2023, (Subject: Blowby/high crankcase pressure ) 
Post: #2
RE: Blowby/high crankcase pressure
Yea, your crankcase filter is probably plugged up and possibly has never been changed. You can drill holes in the original one or buy the maintenance free one from cummins.

https://rawze.com/forums/showthread.php?tid=65

If you have a ton of blowby it might be time for an inframe. Or possibly your turbo is pushing pressure into the crankcase through it's oil return line.


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RE: Blowby/high crankcase pressure - tree98 - 03-05-2023



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