From the above thread, courtesy ah kay:

"The second pin is recessed. Located just above the vacuum pump. Do NOT butcher up the thread. You cannot punch it out like the top pin. Use some brake cleaner to clean the thread well. Use the washer and bolt extraction method again. Hope it helps."

__________________
David


1996 Mercedes S124 E300TD - 129k - rolling restoration project -

1998 Mercedes W210 300TD - 118k (assimilated into above vehicle)