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Re: Broken Rocker Arms On One Cam Only
Posted to Technical Discussion Forum on 11/30/2019 1 Reply

Exactly Dan. There is a lot of abnormal deep bluing on contact surfaces that should be nice and shiny.

For contrast with the OP's photo and reference, here is a 2015 HFV6 Acadia engine, post hot run tests completed during manufacture. [2015 GMC Acadia SLE, E... Login to read more.

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