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Re: 2008 Mck rocker arms
Posted to HD/Fleet Forum on 8/25/2020 3 Replies

There is a Volvo bulletin for the piston caps backing out. No need to replace rockers. If you remove the pistons and clean the threads on the piston and cap then apply red loctite to threads and use Volvo’s tool to torque to 22ftlb this will resolve your issue... Login to read more.

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