Leaking oil through exhaust - Ford Powerstroke Diesel Forum
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Old 07-16-2013, 10:32 PM
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2008 f350 6.4l Leaking oil through exhaust

Ok im basically new to diesel as this is my first its a 2008 f350 6.4L, I bought it tuned with a minimaxx and dpf delete and s&b, I was told(by the seller) it needed an horizontal egr cooler so I decided to just go with a delete kit.
Before installing the kit it would blow white smoke at idle and when accelerating, at startup it would blow lots of black and white smoke and I felt like it had no power when accelerating, also was losing coolant out of the degas.
The engine never overheated and idled perfectly
After I finished installing the kit I started up the truck and no smoke came out as it did before, drove it around the neighborhood and no powerloss but still some white smoke from the exhaust when accelarating. I parked it back in my driveway and noticed there was oil coming out of the exhaust which did not happen before the delete So Im wondering what you guys think is the problem is, turbo seals?

Last edited by komatsu74; 07-16-2013 at 10:47 PM.
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Old 07-17-2013, 07:03 AM
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sounds like its the turbo seals.
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Old 07-17-2013, 11:57 AM
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Thanks for the knowledge
It also had alot of oil sludge in the intercooler tube so i cleaned that but im guessing theres alot more in intercooler itself, should that be cleaned also?
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Old 07-17-2013, 12:03 PM
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Thanks for the knowledge
The intercooler tube also had alot of oil sludge so i cleaned that out but im guessing the intercooler itself has alot, should the intercooler be cleaned too?
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Old 07-17-2013, 12:57 PM
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Its normal to have oil there because of the CCV system. I would just clean it out as best you can. Unless you do a CCV mod there will always be oil in the intercooler tubes.
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Old 07-17-2013, 02:10 PM
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Sounds good but what should i clean it with? And is their a reason why it says i have 2 mpg on the dash
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Old 07-17-2013, 02:58 PM
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From what I have read you can take off the intercooler and clean it with simple green and water. Then rinse really well and let it dry.
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Old 07-17-2013, 07:08 PM
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Just to make sure is leaking turbo seals the only thing that would cause oil through the exhaust?
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Old 07-18-2013, 07:07 AM
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That's the only thing I can think of. Hopefully someone else will chime in to confirm.
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Old 07-29-2013, 09:54 PM
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I had oil leaking of the exhaust on my 6.0 and they said it was the turbo seal that caused it. But the cause of the leak, even with a new turbo charger, was the failure of my make shift CCV kit. It caused excessive back pressure on the driver side so that caused more pressure on the passenger side. The excessive pressure caused the turbo seal to fail.

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