Fellas,
I recently developed a pretty substantial oil leak on the valley below the turbo. I initially thought rear main seal until I did my homework. I was finally able to find the leak but I am not sure where it is exactly coming from. Any help is GREATLY appreciated!
It is running down from somewhere above the turbo pedestal?
Picture as promised

 

Above the pedestal there are 2 o-rings, and also below the pedestal.
The turbocharger is supplied with pressurized oil from the engine's main oil gallery through a passage in the turbocharger pedestal. Oil then drains back through another passage in the turbocharger pedestal into the oil pan. This eliminates the need for external lubrication supply and return lines.


It could be the issue since I can't think of anything else in the vicinity.

 

I got Guzzles o-ring kit and went ahead with his EBPV deleted kit. Just hoping that someone might know exactly what that is..

 

you say you went to purchase that delete kit...you have not installed it yet correct?


Other than what I mentioned above about the o-rings, is that valve you mentioned... you can clean it up a little bit and start her up...should be able to see the spray from where ever it's leaking from.

 

I bought the parts to delete the EPBV along with all the o-rings for turbo and HPOP to cover my bases, I have not installed anything yet

The picture is after my clean up. No spray but a very nice stream

 

okay ... so the origin should be easy enough to pinpoint now... even with the stream there are only 2 points on top of pedestal (-o-rings), 1 on side (BP valve), 2 more points from the bottom but you say the stream is coming from the top. The picture is just too hard to tell still... if I were physically there I'd pull if off and examine pedestal assembly

 

Man I thought it was a really good picture... I got real excited when I found the stream! Either way it's good to know it can only come from two places since I bought the parts to fix both. I will go out and try again with mirror

 

lol... sorry to disappoint you -it just didn't help me any.... Can't wait to see an update! good luck Stolher!

 

No worries! Just went and. Looked again. Can't confirm 100% but I'd be shocked if it wasn't my EBPV! Ill have an update thurs for sure

 

If you shove your camera down in there and snap plenty of photos at slightly different angles, you can actually get a better picture in there.

 

Just went in agin with the wife. Had her hold a high idle while I looked EBVP. no doubt

 

much better pic....but i don't see the stream... at least not from the rod area..

ooops not Stolher's pic...lol

 

If anyone wants a specific picture of anything under the hood. Let me know. I'm deep in the replacement now

 

I have replaced my turbo pedestal o-rings. resealed the intake gaskets. Did that ebpv do the trick. what is the ebpv??

 

EBPV= Exhaust Back Pressure Valve

it's on rear of pedestal ... rod on one end and piston like piece on the inside