Quote:
Originally Posted by ermax
It isn't the flimsy subassembly that warps heads, it's the valve springs that warp the heads. I don't think it would be an issue unbolting caps first if a correct sequence was laid out by the engineers. This just isn't the way they originally intended it to be done.
No it doesn't because the springs are not in the picture once the subassembly is removed.
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Since it's 2 cylinders per bank, there's a "zero lift range" where the valve springs are completely unloaded, it's easy to have the whole valvetrain unstressed for disassembly on the engine.