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Old 03-28-2010, 03:36 AM
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oil in air intake

im still kinda new to diesel pickup trucks but have worked on diesel equipment alot. i have oil through my intercooler and into the intake it starts at the inlet for the what i think is the pcv valve between the air filter and turbo. i drgreased everything inside and out yesterday and if i still have oil..what are some things i should check? note: i bought the truck used a few months ago and the air filter was really bad so it has an airaid filter now and fresh oil.
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Old 03-28-2010, 03:42 AM
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oil in the intercooler and tubing is normal due to the crank case vent.
you may be interested the ccv mod, check with raul at stealth automotive he sells them. a ccv mod would eliminate most of the oil in the intake.
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Old 03-28-2010, 03:43 AM
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also
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Old 03-28-2010, 04:17 AM
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Do the CCV raul sells. Its on his site, stealthautomotive.com
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Old 03-28-2010, 05:59 AM
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i know some oil in the air system is normal but the bottom of the intercooler should not be full and the tube after the intercooler should not have oil pouring out of it when i took it off. there should only be a mist of oil going through the crank case vent. could there be more problems?
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Old 04-13-2010, 06:32 PM
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That sounds to me like way too much oil. 2 things possible, either the previous owner lost a turbo and didn't clean out the intercooler, or your turbo is passing alot of oil. Pull the hose off of the turbo outlet (the little 45 degree one at the passenger side) and see what it looks like in the turbo throat. If dry, I would pull the intercooler out and have it flushed and cleaned. Reclean all CAC tubes nd hoses and put back together. If the turbo is putting out excess amount of oil, you know what that means... A certain amount of sweating around the tubes is normal due to the crankcase vent, but it sounds like you have more than that!
I did the poor man's ccv mod. I vented out the valve cover with a hose that I ran down and towards the rear of the truck and plugged the hole in the intake where it used to hook up. CCV mod! Been working just fine thank you...

Let us know what you find!
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