I was apprehensive about removing the manifolds, but had my reasons to do so. 1 known broken stud.
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And the right side was leaking too.
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There were a few loose fasteners too. This motor has studs for all but 1 on each side. A little PB Blaster and the nuts came right out. I'm glad I pulled them now, they're getting sandblasted and painted before reinstallation. Just another thing on this truck that isn't as clean as the rest of it.
Does this mean you're no longer looking for the size of a cap for the EGR port? Might want to consider checking them for flatness or getting them resurfaced before putting them back on. I've had the best luck with surfacing both faces and not using a gasket. No leaks, ever. Obviously not an option for you with the heads still on.