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Re: GM 6.0L LS rear main seal installation
Posted to Technical Discussion Forum on 3/26/2020 5 Replies

That is a new (relatively) PTFE RMB seal. The "sealing lip" can face in a direction that doesn't seem correct. The plastic installation tool keeps the seal expanded so it can slide over the crank flange. Once you remove the tool the "lip" will relax onto the c... Login to read more.

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