Originally Posted by Bruunz

So by rubber grommet you mean the rubber seal sitting in the valve cover? Would the grommet itself be the cause of the issue or is this a symptom of something else?
If i was to replace it, i would be replacing the entire bent plastic bit and the bit in the valve cover?

Item #1 + Item #4 https://www.hondapartsnow.com/parts-...ther-tube.html