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1995 F250 Oil Leak

19K views 36 replies 9 participants last post by  Stumppullin 
#1 ·
I am new to the site and new to owning a diesel. I have a 1995 Ford F250 7.3L Powerstroke. I noticed that there is an oil leak, it is small, it will only leave a few drops if you leave the truck running in one spot. It looks like it is coming from the engine valley and then running down the back of the engine. So, I don't know if it is coming from the HPOP o-rings or the turbo pedestal mount o-rings? What do you guys think? If you think it is the HPOP o-rings or the turbo pedestal mount o-rings, can you tell me how to replace those and where is the best place to buy the o-rings?

Thanks!
 
#2 ·
I have the same problem. Just noticed it a few days ago, and am unsure where the leak is coming from.
 
#4 ·
Just curious what is all involved in replace the seal? I was looking online and it seems like one hell of a project?
 
#6 ·
I'm REALLY hoping thats not what is leaking on my truck. For all I know it may be nothing because I put some oil in a few days ago and spilled some on the engine and it might just be running down the valley of the engine now.
 
#9 ·
I have heard people talk about the rear main seal, but if it was the rear main seal, would the oil be in the valley? I am hoping it is just the HPOP o-rings or the turbo pedestal mount o-rings. As I said earlier, its not big, its just I don't want to keep worrying about it.

Anyone else having any ideas or suggestions?
 
#10 ·
Put your trucks stats in your sig, including mileage. It's more likely it is the IPR than the turbo. IPR is easy to rebuild and prob needs it any way. Pull the filter housing and then the IPR. It takes a big socket, I use a plumbers valve socket.
 
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#13 ·
Would the IPR make oil leak into the valley of the engine?
Yes.

Can you tell me exactly where to look for the IPR?
On the bottom of the HPOP/under the HPOP, is a solenoid valve assembly.

What it is doing is, oil is coming from the valley, going through the drain hole, running down the side of the oil pan and dripping off the oil drain plug.
Classic symptom of leaking oil from HPOP, IPR, ICP sensor.
 
#12 ·
Would the IPR make oil leak into the valley of the engine? Can you tell me exactly where to look for the IPR? What it is doing is, oil is coming from the valley, going through the drain hole, running down the side of the oil pan and dripping off the oil drain plug. I don't know if that information helps narrow it down a little or not.
 
#19 ·
I took a closer look at my engine to see if I could find the leak. I tried to feel around the IPR and it didn't feel or look like it has been leaking. The big tube that goes from the turbo to the engine head on the passenger side, looked quite wet where it connects into the head (the end that looks like a vacuum cleaner, that has four bolts, one on each corner). I don't know if anyone understands where I am talking about (if not let me know and I will try and clarify it). I don't know if there is a seal under it or what? If anyone could possibly help me out that would be great!
 
#21 · (Edited)
Get a can of brake kleen or simple green and some hot water(not pressure) and clean out the valley. Then start her up and take a short drive and check. IF it is a small leak it might take a while before it shows up. IPR and ped orings are the two main causes of leaks--but there is alot of stuff in the valley of death:) Just pinpoint the leak before you start throwing money at it. Good Luck!

Missed your post about the turbo to head? Are you talking about the intake spyder with orange Boots? Or the actuall plenumn leaking? If your CCV is still hooked to the intake you can get some oil from blowbye that can leak from the boots.
 
#23 ·
The tube with the orange boots, where it goes into the head, that is the area that is the most wet. Where the tube becomes a rectangle shape and connects to the head, could it leak there? Is there a seal or gasket that can be replaced there?
 
#24 ·
Not saying that he doesn't have some "good" advice, but don't listen to everything that guy says. He is out there on some stuff. (Others here and other sites will put it alot stronger):poke:

The plenumns are sealed with RTV(Ford's grey diesel silcone)--THat stuff doesn't leak that often. Is it coming out between the plenumns and the valve cover or dripping out of the orange boot? Either way I don't see that putting out enough oil to run through the valley and showing up on the ground
 
#25 ·
It looks like it is coming from between the plenumns and the valve cover. I don't know if that is where the leak is coming from or not but that area seemed to be the most wet area (besides the valley).
 
#26 ·
take a picture
 
#29 ·
Listen for whoever said to look up powerstrokehelp you will need help and alot of wallet if you listen to that guy do not i repeat DO NOT! Ever listen to that guy i have talked to many ford master technicians and alot of what that guy does is not recomended nor his repair work.That guy is a backyard mechanic who decided he was a genius with powerstrokes!
 
#30 ·
How severe is it leaking???Enough to roll down the hole in the back of the block and look like a rear main seal leak??? It looks like at the high pressure oil line where it goes into the head you might have a leak.Also check your EBPV to see if its spewing out of that.You could also be sucking oil through the breather and it could be spewing out your MAF hose.My advice, 5-10 cans of brake clean, a really good drop light, and start the truck and sit and watch.:ford:
 
#32 ·
The leak isn't really bad, but if I leave it running in one spot for a little bit, I can see a couple drops on the ground. From what I can tell is, it is running down the drain hole and then it goes down the side of the oil pan and then drips off the bottom of the pan.
 
#31 ·
Thats the EBPV actuator blowing oil under the exhaust side of the turbo. If you look at the pics, it is certainly in line with it. Mine did this and had me baffled. It blows the oil out with enough pressure that it ends up in line with the actuator shaft, but the actuator itself is clean. Heat from the pedestal will thin the stuff enough that it runs off or is burned off. Mine finally had to fail completely to see it. It got so bad I was losing a quart a day. From what I understand from the PO, it had been doing this for years. I gutted the ebpv and actuator to solve the problem. Place a piece of paper (or something similar) over the hole where the shaft comes out of the actuator and you should see evidence.

HTH

Aaron
 
#36 ·
OK. Thank you for your info rollingthunder. Where would be the best and cheapest place to buy an actuator seal repair kit? Would this kit solve my leak, if it is leaking from the EBPV actuator?
 
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