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Re: Destroyed Lifter Roller NEXT TO Bent Pushrod & Lack of Oil
Posted to Technical Discussion Forum on 10/9/2026

I'd wager it's that variable displacement oil pump. Seems to be the root cause of ALL the troubles these 6.2's are having ... along with machining issues on newer ones.

Just watched a vid Dave's Auto Center in UT posted on YouTube tearing down the L87:

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