6.0 Rear Main
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Senior User
Joined: Dec 2003
Posts: 116
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From: St. Cloud, FL
6.0 Rear Main
Hello all. I am posting a question for my uncle. He purchased a F-350 with the 6.0 in Sept. It went in a few weeks ago at around 4000 miles with an oil leak. They put the dye in and found the rear main leaking, so they replaced the rear main and some kind of plate on the backside (I assume it is the metal plate that the rear main sits in). Now they say they have put it back together and it is still leaking. He is a little upset now that his truck has been in the shop (after dreaming for 10 yrs of owning a diesel) for a month now. What are the production dates that the 6.0 is experiencing these rear main leaks and is there a solution? They are at the point they want to replace the motor and he wants a new truck. Any help?
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Joined: Jul 2003
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From: Stockbridge
If that "plate" is the thing that is bolted on the back of the crank, its NOT line replaceable! International bolts then torques those to the crank AND THEN machines it. It cannot be unbolted and re-bolted and still have the same machining tolerances, it flexes as it being torqued down. This was an early cause of re-leaks after the seal was replaced. If I remember right ford either issued a bulletin or somehow informed their dealers not to do this. Apparently the seal is easier to change if you take it off. Do a search here and over at the diesel stop I'm sure you'll come up with something.
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Joined: Jun 2003
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From: Stockton, CA.
Postmaster
Joined: Aug 2003
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From: Central Texas
psdwannabe and cdtruckin, this is good info. This is why I am on this forum.
I was draining my fuel filter yesterday and noticed some oil on the bottom of the bell housing. I need to check my drip pan on the garage floor for drips. I had my rear main replaced. I hope they didn't take that plate off. Sounds like a new engine or replacement is in order where they took the plate off.
I was draining my fuel filter yesterday and noticed some oil on the bottom of the bell housing. I need to check my drip pan on the garage floor for drips. I had my rear main replaced. I hope they didn't take that plate off. Sounds like a new engine or replacement is in order where they took the plate off.
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Joined: Aug 2004
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I had this exact same problem and the dealer could not figure out what the problem was for several weeks. after one dealwer gave up, I took my truck to another dealer and they had to replace the entire engine due to a bad crank. ford is going to replace my truck because it's a lemon. Early 2003 6.0, F250, Lariat 13k miles
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Hayapower!
6.0L Power Stroke Diesel
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Feb 26, 2004 08:42 PM
