HELP! Im sucking large amounts of oil into my turbo. - Ford Powerstroke Diesel Forum
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Old 04-09-2006, 05:59 PM
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Question HELP! Im sucking large amounts of oil into my turbo.

I have a 20007.3l F-250 with 210,000 miles on her. Im having trouble with large amounts of oil being sucked from the valve cover into the turbo via the intake tube. I bypassed the intake tube for just a few minutes abd blew abou t a quart or more of oil out of the motor. What i did was attach a 1 foot pice of hose to the valve cover and put a breather cap on it and started the motor and soon oil just started pouring out of it. Has anyone heard of this? If so what do I do???? any info would be great. thanks.
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Old 04-09-2006, 06:08 PM
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i would definately take this to a diesel repair shop for final diagnosis......but from what you told me, you have a very excessive amount of crankcase pressure in your motor causing the pressure to be forced out the easiest path it can take....which is through the breather on the left hand vavle cover which also has a lot of oil in the area..........

this indicates a high possibility of "blowby" which essentually means the rings on your pistons are no longer sealing properly and thus some of the pressure is entering the crankcase. the cause could be many things if this does end up being the issue. it could be a low pressure oil pump that can no longer deliver enough oil at some lower RPM ranges......although this is unlikely because you would probably be having problems with your fuel system also...........but the most common causes are dirt entering the air intake system, which can also be seen by looking at the vaines of the turbo after taking off the air intake from the turbo......or lack of maintanence.....amongst a few other mechanical things also.........

bottom like is someone who knows what they are doing needs to look at it, because i would hate to condemn a motor on here for sure without someone physically looking at a truck first.......Marc
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