So it is sounding like it is still a good idea to go in and do my 2 step drilling hack and mechanically fasten the internal heat sink to the external heat sink my means of a screw fastener.
Thank You
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Need to do my 1/2" hole Drill through the empty transistor top (top hat) to gain access, then 1/4" drill hole through the control module box to gain access to the internal heat sink tab with the hole in it, then self tap screw it together.
Should be able to do that being the outer heat sink has pre-aligned drill holes underneath the "Top Hat".
So only 2 drill holes to do the task and not having to open the whole case to get inside.
