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Re: 5.3 oil pressure and noisy lifters
Posted to Technical Discussion Forum on 4/6/2020 4 Replies

The question has been identified and solved. This one was indeed the pick up o ring failed.

The give away turned out to be putting on the oil pressure gauge [oil pressure adapter GM 5.3] and seeing the erratic, bouncing needle indicating aeration in the pump... Login to read more.

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4 Replies Received (View Replies)