Oil leak at high RPM - Ford Powerstroke Diesel Forum
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Old 01-11-2009, 12:14 PM
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Oil leak at high RPM

Hello
I accelerated hard on my 2001 X today (Poor Jeep Cherokee didn't know what hit 'em) and when I got on the highway I noticed a light smoke coming from my truck...I pulled over and found a lot of oil coming from the passenger side of the engine(I probably lost less than 1/2 qt total). The smoke was coming from the oil that dripped on the exhaust. I checked my oil level and it showed 1 qt low....I serviced it up(1 qt low is not uncommon for my truck) and took it easy...No smoke...I pulled over to service the oil...No leak, oil level normal...Finished getting home, no leak, oil level normal...Now I did notice some oil in the valley...I'm waitin' for the engine to cool before I tear into it...Any ideas?????
Thanks Guys
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Old 01-11-2009, 03:08 PM
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In the valley there is a lot of things that can leak oil. Lets start at the front and work backwards.

Front engine cover gasket (not likely), HPOP gasket, HPOP reservoir gaskets (top and bottom), HPOP it's self, HP oil lines from pump (fittings, orings), High pressure lines with pinhole, High pressure lines to heads (fittings and orings), Turbo pedistool orings (top and bottom), Exhaust Back Pressure valve housing.

I think that pretty much covers everything that leaks on top of the engine. You'll need to clean it up and try and trace it down.
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Old 01-11-2009, 03:08 PM
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Bump...bump.....bump....bump...Help Please
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Old 01-11-2009, 03:12 PM
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Thanks Elibenson...When the engine's cool I'll look...That exhaust back pressure valve housing...would that only happen at high turbo pressure?
Thanks
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Old 01-11-2009, 03:19 PM
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Quote:
Originally Posted by speedaviation View Post
Thanks Elibenson...When the engine's cool I'll look...That exhaust back pressure valve housing...would that only happen at high turbo pressure?
Thanks
No, that is a piston that lives in the turbo charger pedistool. It uses oil pressure to actuate a butterfly valve in your turbo to increase back pressure when it is cold. It helps the engine warm up when it's really cold. Some times the piston seals leak when they get old, or if you got your oil pressure up when you were hammering it.
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Old 01-11-2009, 04:14 PM
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Thanks Eli
I'll clean it up tomorrow and see what I can see
Thanks again for the reply
Paul
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