Rear main Seal Replacement maybe using Fel-Pro O-ring Protector?

Joseph Davis · Jan 26, 2021

I am replacing the rear Main seal on my 7.3l idi and when buying rear main seal Fel-Pro sell an O-ring that is called an O-ring protector for the rear main seal. looks like it fits in the groove around crankshaft. I know to make sure that I put the new rear main seal in at exact same depth as old one. I have never seen an O-ring protector before and was wondering if they Work to fill in the cut line around crankshaft?

IDIBRONCO · Jan 26, 2021

An o-ring is almost always made out of rubber. I doubt that it would do much of anything at all in the situation that you're talking about. It sounds like you're talking about a repair sleeve that's made out of very thin metal and it a press fit over the crankshaft. That will cover up the groove in the seal area of the crank.

Joseph Davis · Jan 26, 2021

yes I seen the sleeve kit by duralast made out of metal was just wondering if the O-ring by Fel-Pro worked. I Pulled Motor Today and got a good look at the grove and wow! but the leak wasn't bad but it time to get the Job. So go with the metal sleeve kit.

Rear main Seal Replacement maybe using Fel-Pro O-ring Protector?

Joseph Davis

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IDIBRONCO

IDIBRONCO

Joseph Davis

Full Access Member

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