oil leaks
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Junior User
Joined: Jul 2004
Posts: 85
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oil leaks
I was wondering if ford is still having problems with rear main and other oil leaks on the newer diesels.I have had one rear main seal replaced and it is leaking again with only 13000 miles.This was a replacement truck for the o3 lemon that I had.Love the truck no running problems.IT is an 05 f350.
Hotshot
Joined: Dec 2003
Posts: 15,368
Likes: 121
From: Stuttgart, Ar
Or it's the glow plug harnesses. I thought mine was leaking when we pulled the motor and the flywheel area was clean. You could see where a little lube had been sprayed outward from the flywheel, but it was really old. What I saw on the underside of the tranny housing was fresh and had run down and around and made it look like a "rear main" leak. I'd look elsewhere. The black color makes it hard to see an oil leak, especially if it's really clean. Sometimes dirt is a good tool for diagnosis. I'm not saying throw dirt on your motor by any means, but the oil will leave a trail if it's any volume at all.
Elder User
Joined: Feb 2003
Posts: 648
Likes: 1
After following the oil leak threads for a long time and having one myself, I've determined that the bed plate is responsible for aLOT of leaks attributed to the rear main seal. The techs who post on the boards say RMS's are NOT common.
