oil leak question
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Senior User
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From: Brandon,Manitoba,Canada
oil leak question
Hey everyone I just baught a new to me 02 f 250 7.3, I have developed a oil leak on the top of the motor near the back running down on both sides of the tranny. So I thought it was the o rings on the pedistal and the turbo just changed both sets of o rings and it is still leaking. The leak is fairly big and its hard to tell where it is coming from. It still kinda looks like it leaking at the back of the pedistal, and kinda at the arm of the epbv. Could it be coming out of the arm area or is there a commom place where this would leak from?
Lead Driver
Joined: Jun 2003
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From: Damon (South East Texas)
Yes. It can be leaking from the EBPV piston seal and coming out the rod hole in the pedestal. This was where my first oil leak developed years ago and I quickly eliminated it with a non EBPV pedestal. You can get a piston rebuild kit, or "gut it" if you so desire.
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Senior User
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From: Brandon,Manitoba,Canada
Would it be a fairley large leak if it was leaking from there? I went for about five miles and was stepping on it good then when I pulled in the shop there is about a third of a quart running down both sides of the tranny to the floor.
Lead Driver
Joined: Jun 2003
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From: Damon (South East Texas)
If the seal on the piston is in pretty bad shape, it could be bypassing quite a bit of oil as the PCM commands it to close the EBPV. I would disconnect the plug on the solenoid at the pedestal and see if the leak stops. That should tell you if piston is the origin of the leak.
Post Fiend
Joined: Sep 2006
Posts: 7,426
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From: Sioux Falls, SD
I had the same leak as Meuckster on my 2000 Excursion. I did the same and replaced the pedestal with a Non-EBPV pedestal. I live in South Dakota and both my 7.3L's have been fine during the winter months without the EBPV. But if you chose to keep the EBPV you can rebuild it with a kit from Riff-Raff DIesel.
Like Meuckster suggested, disconnect the plug and see if the leak stops. But first clean the area out real good with some simple green or engine cleaner. Also, one of the best tools to use in this procedure is a morror on a telescoping post - can be tough to see her leaking back there.
Like Meuckster suggested, disconnect the plug and see if the leak stops. But first clean the area out real good with some simple green or engine cleaner. Also, one of the best tools to use in this procedure is a morror on a telescoping post - can be tough to see her leaking back there.
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Senior User
Joined: Mar 2008
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From: Brandon,Manitoba,Canada
If the seal on the piston is in pretty bad shape, it could be bypassing quite a bit of oil as the PCM commands it to close the EBPV. I would disconnect the plug on the solenoid at the pedestal and see if the leak stops. That should tell you if piston is the origin of the leak.
Thread Starter
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Senior User
Joined: Mar 2008
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From: Brandon,Manitoba,Canada
I had the same leak as Meuckster on my 2000 Excursion. I did the same and replaced the pedestal with a Non-EBPV pedestal. I live in South Dakota and both my 7.3L's have been fine during the winter months without the EBPV. But if you chose to keep the EBPV you can rebuild it with a kit from Riff-Raff DIesel.
Like Meuckster suggested, disconnect the plug and see if the leak stops. But first clean the area out real good with some simple green or engine cleaner. Also, one of the best tools to use in this procedure is a morror on a telescoping post - can be tough to see her leaking back there.
Like Meuckster suggested, disconnect the plug and see if the leak stops. But first clean the area out real good with some simple green or engine cleaner. Also, one of the best tools to use in this procedure is a morror on a telescoping post - can be tough to see her leaking back there.
Last edited by slk133; Jun 17, 2011 at 11:39 PM. Reason: spelling
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Post Fiend
Joined: Sep 2006
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From: Sioux Falls, SD
There are two sets of O rings IIRC. One connecting the turbo to the pedestal and one set the pedestal to the block. Did you change both out with new O rings?
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Thread Starter
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Senior User
Joined: Mar 2008
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From: Brandon,Manitoba,Canada
Yes did that tonight and used genuine orings on the turbo and the pedistal. I thought that is what it was, but no.
Post Fiend
Joined: Sep 2006
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From: Sioux Falls, SD
Do you think one of the O rings could have gotten pinched or not seated correctly? I would clean the area out re good again and see if you can find the origin of the leak. You might need to remove the turbo and get the rebuild kit. Also check the HPOP lines to make sure the leak isn't from one of those.
Thread Starter
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Senior User
Joined: Mar 2008
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From: Brandon,Manitoba,Canada
Do you think one of the O rings could have gotten pinched or not seated correctly? I would clean the area out re good again and see if you can find the origin of the leak. You might need to remove the turbo and get the rebuild kit. Also check the HPOP lines to make sure the leak isn't from one of those.
Posting Guru
Joined: Jan 2007
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From: Gilbert Az.
If it's running down both sides of the tranny it's pretty much got to be the pedestal to block o-ring on the pressure side as any ebpv leak will only run out the weep hole on the pass. Side. Also check the high pressure plugs on the oil logs as they have o-rings too!
Post Fiend
Joined: Sep 2006
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From: Sioux Falls, SD
slk133,
check out the link to this thread. Skip described a similar situation that turned out to be a fitting. I was going to copy and past the pics to your thread but it's probably better you see it all.
https://www.ford-trucks.com/forums/1...ion-7-3-a.html
check out the link to this thread. Skip described a similar situation that turned out to be a fitting. I was going to copy and past the pics to your thread but it's probably better you see it all.
https://www.ford-trucks.com/forums/1...ion-7-3-a.html
Senior User
Joined: Mar 2003
Posts: 428
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From: Hot Springs Village, Ar
[QUOTE=mueckster;10473232]Yes. It can be leaking from the EBPV piston seal and coming out the rod hole in the pedestal. This was where my first oil leak developed years ago and I quickly eliminated it with a non EBPV pedestal. You can get a piston rebuild kit, or "gut it" if you so desire.[/QUOT
Just for information: According to Guzzle (Bob) the non EBPV pedestal will not fit early '99. I had pedestal O Ring leak and was going to replace while i had everything tore apart. Although you can gut and plug it.
Just for information: According to Guzzle (Bob) the non EBPV pedestal will not fit early '99. I had pedestal O Ring leak and was going to replace while i had everything tore apart. Although you can gut and plug it.
SPONSOR
Joined: May 2010
Posts: 453
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From: Weldona, CO
You can get an early 99 pedestal but it is different than the 99 1/2 - 03 as the early 99's used a shorter pedestal.
Unfortunately, I am out of stock on the early 99 pedestals currently. Garrett is slow to ship these items.
Unfortunately, I am out of stock on the early 99 pedestals currently. Garrett is slow to ship these items.
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Specializing in Viton® o-rings and leak repair kits for the 7.3L and 6.0L diesels
(970) 368-4455 aka guzzleguzzle's Mods & Maintenance website
Specializing in Viton® o-rings and leak repair kits for the 7.3L and 6.0L diesels
(970) 368-4455 aka guzzle