Seems to be a press fit. The drive gear is yet to be removed. An independent mechanical engineer is to view removal as a reporting witness. I had to commit to cost of removing and stripping engine.
Told initially that there was a blockage in an oil capillary leading to crankshaft main bearing, then a couple of days later told it was low oil pressure to crankshaft. Only told real reason when Engine stripped down and it became evident that the oil pump drive gear could freely rotate on the...
Has anyone experienced the oil pump drive gear on crankshaft coming loose and not driving oil pump? The free wheeling drive gear has caused low to no oil pressure and the crankshaft to seize and throw a rod.