Oil Leak - Ford Powerstroke Diesel Forum
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post #1 of 33 Old 11-18-2013, 11:45 AM Thread Starter
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Oil Leak

I have an oil leak on my 01. I had one, saw the pedestal and replaced it with non-ebpv and there is still a good sized leak. It is not from the pedestal though, and there is no oil in the valley. I spoke with a diesel tech who said the opposite of what everyone says, he said he replaced about 10 leaking rear mains on 7.3s within a few years, that its probably my problem. Is there any other possible places it would be leaking? Or how to check the rear main without actually pulling the trans? Any help is greatly appreciated.

2001 F250 ECLB 7.3 PSD 219,000 miles
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Flo-Pro 5" SS Exhaust
ISSPRO EV2 Boost, Pyro, Trans
David Lott Tunes
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post #2 of 33 Old 11-18-2013, 11:48 AM
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How does the dipstick tube o-ring look? Mine never leaked much, until one night the o-ring finally swelled too much and let loose. Then it was almost a steady stream of oil from the oil pan.

1996 F250 7.3 PSD 4x4 - "Dally"
274k miles
It's got some go fast stuff
Sitting on 2006 F-350 axles and suspension

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post #3 of 33 Old 11-18-2013, 11:52 AM Thread Starter
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If you can hang on for 10 minutes ill go check it out now thanks for the fast reply

2001 F250 ECLB 7.3 PSD 219,000 miles
S&B Intake
Flo-Pro 5" SS Exhaust
ISSPRO EV2 Boost, Pyro, Trans
David Lott Tunes
Riffraff HPx, FRx & AIH Delete
Resse Gooseneck Hitch
Non-EBPV Turbo
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post #4 of 33 Old 11-18-2013, 11:54 AM
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My leak was bad enough it was a steady drip of oil from the o-ring with the engine running, even when the engine was cold. You'll probably have to run it to see if it's leaking from there.

1996 F250 7.3 PSD 4x4 - "Dally"
274k miles
It's got some go fast stuff
Sitting on 2006 F-350 axles and suspension


Last edited by nine6stroker; 11-18-2013 at 11:58 AM.
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post #5 of 33 Old 11-18-2013, 11:58 AM Thread Starter
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Well that is one spot where it is leaking oil from but its not the entire problem, there is oil dripping from the hole on the flywheel cover and even on trans pan a little.

2001 F250 ECLB 7.3 PSD 219,000 miles
S&B Intake
Flo-Pro 5" SS Exhaust
ISSPRO EV2 Boost, Pyro, Trans
David Lott Tunes
Riffraff HPx, FRx & AIH Delete
Resse Gooseneck Hitch
Non-EBPV Turbo
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post #6 of 33 Old 11-18-2013, 12:01 PM
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It could be leaking from the pan a little too. My drips from the flywheel cover as well, and still leaks from the dipstick o-ring a little (I think the pieces are slightly warped, so the o-ring isn't sealing). You might be able to take the flywheel cover off and get a better look.

1996 F250 7.3 PSD 4x4 - "Dally"
274k miles
It's got some go fast stuff
Sitting on 2006 F-350 axles and suspension

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post #7 of 33 Old 11-18-2013, 12:03 PM Thread Starter
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will do, and actually the pan has been replaced not to long ago.

2001 F250 ECLB 7.3 PSD 219,000 miles
S&B Intake
Flo-Pro 5" SS Exhaust
ISSPRO EV2 Boost, Pyro, Trans
David Lott Tunes
Riffraff HPx, FRx & AIH Delete
Resse Gooseneck Hitch
Non-EBPV Turbo
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post #8 of 33 Old 11-18-2013, 12:10 PM
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Well hopefully it was properly sealed up then! I haven't dealt with my oil leaks yet, mainly because they're not bad enough to justify removing the trans and possibly the motor to fix them.

1996 F250 7.3 PSD 4x4 - "Dally"
274k miles
It's got some go fast stuff
Sitting on 2006 F-350 axles and suspension

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post #9 of 33 Old 11-18-2013, 12:22 PM Thread Starter
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Any idea what exactly I should be looking for? the cover is off, and I am scared that the pan is the problem. One thing is for sure, whatever it is, is not all the way around the pan, just in the back

2001 F250 ECLB 7.3 PSD 219,000 miles
S&B Intake
Flo-Pro 5" SS Exhaust
ISSPRO EV2 Boost, Pyro, Trans
David Lott Tunes
Riffraff HPx, FRx & AIH Delete
Resse Gooseneck Hitch
Non-EBPV Turbo

Last edited by Joe0816; 11-18-2013 at 12:27 PM.
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post #10 of 33 Old 01-22-2014, 03:55 PM Thread Starter
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Well i took it to Ford, the diesel mechanic there is great. He said the oil cooler is leaking. I can't see that being what is making this much of a mess. Especially at the flywheel cover. I'm sure it leaks a little because of the mileage, but I just can't see it being that. FYI they called me and said Ford doesn't sell the whole unit anymore and you would have to piece it together totalling over 1000 without tax including labor. Well I have 3 here so ill try them. Has anyone ever had the oil cooler leak and it go on to the flywheel cover? Also, I was told that I have to watch for pitting near o rings. Would it hurt to put some RTV on the orings to ensure seal?

2001 F250 ECLB 7.3 PSD 219,000 miles
S&B Intake
Flo-Pro 5" SS Exhaust
ISSPRO EV2 Boost, Pyro, Trans
David Lott Tunes
Riffraff HPx, FRx & AIH Delete
Resse Gooseneck Hitch
Non-EBPV Turbo

Last edited by Joe0816; 01-22-2014 at 07:54 PM.
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leak , main , oil , rear , valley

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