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6.4L Power Stroke Engine and Drivetrain Discussion of the 6.4L Power Stroke diesel engine and drivetrain in the 2008-Up Super Duty trucks. No gas engine discussion allowed except on transmissions and drivetrain that pertain to all models. Please confine discussion of topics in this forum to those items that are specific to the 6.4L Power Stroke engine.

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Old 04-10-2012, 03:59 PM   #1 (permalink)
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Angry 2010 6.4 oil leak

I have a new 2010 f-250 SC 6.4 with only 4000 miles. I was going to change oil and found an oil leak! Looks to be leaking out of black rubber cover. Any idea what it is? Just trying to plan for what to expect when I bring it to dealer. Thanks



Last edited by Glock30SF; 04-10-2012 at 06:27 PM. Reason: typo
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Old 04-10-2012, 04:04 PM   #2 (permalink)
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Old 04-10-2012, 08:25 PM   #3 (permalink)
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looks like a rear main that is leaking.
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Old 04-11-2012, 09:11 AM   #4 (permalink)
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looks like a rear main that is leaking.
That's what mine looked like when the rear main leaked....twice.
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Old 04-11-2012, 07:39 PM   #5 (permalink)
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Thanks for the replies. This is such bull chit! I had a 2006 6.0 that had 3 oil leaks. When I got rid of it it still had an oil leak cause the morons at the dealer couldn't fix it right!
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Old 04-12-2012, 01:41 PM   #6 (permalink)
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At about 4K miles I also had the rear main seal leak... fortunately the dealer did it once and done. No leaks since and I am at 18K.
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Old 04-15-2012, 10:58 AM   #7 (permalink)
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Talking

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Thanks for the replies. This is such bull chit! I had a 2006 6.0 that had 3 oil leaks. When I got rid of it it still had an oil leak cause the morons at the dealer couldn't fix it right!
Hmmm ? Hopefully whichever one of us "morons" has the pleasure to repair your oil leak will do it right.
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Old 04-15-2012, 12:17 PM   #8 (permalink)
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NEWSFLASH: the reason that most "rear main seal leak" issues arent fixed the first time is that they aren't main seal leaks. ANY oil that leaks on ANY 6.0/6.4/7.3 navistar engine will eventually show up on the bellhousing. Oil flows downhill. Look on top of the engine for any even small leaks. Bedplates, cam/crank sensor o ring failures, oil filters/housings etc. Mainseal is the LAST resort as it is the LEAST likely to leak.
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Old 04-17-2012, 12:01 PM   #9 (permalink)
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Bedplates and cam/crank sensor o ring failures that caused a cab removal to attempt to fix on a job 1 F250 2008, 6.4 with only 15,000 miles. 200 miles on fix and no leak,....sofar. This is BS to require to remove the cab and all of the attached STUFF to fix an oil leak. I hope that they got it the first time.
This looks like what mine looked like when I discovered the oil leak problem.
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Old 04-17-2012, 07:46 PM   #10 (permalink)
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Mine has oil in the same spot dealer said its rear main seal i will take it there in a few weeks to get changed.
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Old 04-18-2012, 07:38 PM   #11 (permalink)
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Well took it to dealer and they made a repair for rear main seal. Guess we shall see if that was the actual problem or not.
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Old 06-20-2012, 06:10 PM   #12 (permalink)
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Rear main seal leak

Took my 2010 F250SD 6.4 to the dealer for an oil leak two changes ago. He said it was the oil drain plug and replaced it. At next oil change told them leak was still there. They put dye in the oil and asked to return in a couple weeks to check. Yesterday they said the rear main seal is leaking and will be a 2 day fix. Dealer has been good on all issues with this truck and the V-10 before this one. Keeping fingers crossed.
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Old 06-20-2012, 08:21 PM   #13 (permalink)
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Took my 2010 F250SD 6.4 to the dealer for an oil leak two changes ago. He said it was the oil drain plug and replaced it. At next oil change told them leak was still there. They put dye in the oil and asked to return in a couple weeks to check. Yesterday they said the rear main seal is leaking and will be a 2 day fix. Dealer has been good on all issues with this truck and the V-10 before this one. Keeping fingers crossed.
Glad to hear they are using UV dye. It's almost foolproof in identifying leaks or should I say moron-proof?
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