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1981 Toyota Pickup Project Rear Main Seal

It gets worse. The rebuilder turned down the rear main seal journal on the crankshaft until it no longer contacted the seal. I saw the gap between the seal journal and the seal but mistakenly figured it was a case of the seal simply needing to properly seat itself as the engine rotated. A cascade of oil sliding down the bellhousing cover told the real story.
1981 Toyota 4x4 Pickup - The Phoenix Project

It gets worse. The rebuilder turned down the rear main seal journal on the crankshaft until it no longer contacted the seal. I saw the gap between the seal journal and the seal but mistakenly figured it was a case of the seal simply needing to properly seat itself as the engine rotated. A cascade of oil sliding down the bellhousing cover told the real story.  View Related Article

 

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