Hi, great write up firstly. I unfortunately didn't read it until after I installed mine. I am concerned I may have damaged the valve cover. I used the Alta supplied bolts but when I was tightening two of the bolts I heard like a clicking noise. The valve cover does not appear to have any visible cracks and I've driven the car and noticed no issues, no oil smell or smoke. Is it possible I've cracked just underneath? Should I replace the valve cover or is it possible I've just dislodged the threads?

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I would assume it is cracked. Check for any sign of oil staining. If you find it, replace the valve cover.

- Nick