e99 7.3l oil leak. S.O.S. - Ford Powerstroke Diesel Forum
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  #1  
Old 12-02-2010, 02:14 PM
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Angry e99 7.3l oil leak. S.O.S.

truck has had a small oil leak down th eback of engine since i bought it a year ago, i have pulled a lot with it but also drive mainly street. it seems to leak down the back both sides of engine. today i checked power steering fluid and i noticed below the intake above the valve covers is really oily. i cant seem to trace the problem. its my everyday driver or i'd just tear it down, i could really use some help on this one, before i assumed turbo o ring but its gettin oil everywhere and now is worse. i left it runnign for fifteen minutes and noticed a small leak on the grounnd under the oil filter, oil filter is tight.

it seems to leak while driving as the brace arm under tranny is soaked fomr it dripping back while driving. i do a lot of highway driving at times to!

please help.


thanks guys! liz. <3
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Old 12-02-2010, 02:30 PM
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Hey Liz...

Sounds like you have the same leak as me. Mine's been leaking for about 6 months now...I've got a good amount of oil in the valley but we've narrowed it down to my Turbo seals...I'm willing to bet that's what it is with yours. Maybe we need to have a wrench day to fix both our trucks lol. I'm sure someone will chime in...but i'm betting Turbo.
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Old 12-02-2010, 02:34 PM
names liz <3 Camoprincess
 

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plenum gasket?? maybe...
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Old 12-02-2010, 02:41 PM
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I'm probably just gonna go to Ford and buy the turbo seal kit. It's sposed to be like 20 bucks...might as well I guess. Want me to price one for your truck while I'm there?
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Old 12-02-2010, 02:49 PM
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sounds about the same as mine....bought it this summer and just getting around to it as its gotten bad enuff that its all over on the underside and coming up the barn doors now. Pulled it all apart the start of the week and had turbo pedestal leak , ebpv actuator arm leaking , one up-pipe sootin everything up and found the cps was leaking at the front of the motor. Sure cant wait to get it all back together !!
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Old 12-02-2010, 02:50 PM
names liz <3 Camoprincess
 

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i guess so. we will have to have a wrench day for sure
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Old 12-02-2010, 03:29 PM
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correct me if im wrong, but wont a ccv mod help with this?
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Old 12-03-2010, 01:15 AM
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Have you checked the crank case vent? its orings can leak too.
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Old 12-22-2010, 06:17 AM
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Quote:
Originally Posted by foxf250 View Post
correct me if im wrong, but wont a ccv mod help with this?
The CCV will cause there to be oil in the intake / intercooler & tubes. Most people will see the oil residue on their intercooler boots which is caused by oil seaping through them from the stock CCV that allows oil vapor to enter the intake / turbo etc. It is a good idea to do the simple CCV bypass mod to clean this up.

As for the oil leaking down around the transmission etc, the CCV will not eliminate that problem. As mentioned, that is most likely from leaking turbo pedestal O-rings, EBPV actuator Rod etc. There are a few things that can leak oil into the engine valley and then it runs down the back of the motor. I would start by tracing the oil on top of the motor with a flashlight. You might try washing the valley out really well with simple green and a water hose. Be careful to cover you alternator and electrical accessories / fuse panels prior to washing. Once its cleaned out, it will be easier to determine where the oil is coming from.

Just my .02
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Old 12-22-2010, 05:43 PM
names liz <3 Camoprincess
 

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thanks a lot. i do have a lot of build up around my boots and intake.


how do i do a ccv mod?
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