Yes,on many 2.5 teardowns,not just oil,if the running clearence is taken up by a whiping crank the oil goes,as does the clearence.the only retainer for the bearing liner is the 'tang' & the amount of 'nip' that is designed in between the I/D of the rod end or main bearing cap and the O/D of two liner halves,in the case of these rods the 'nip' is minimal so any distortion that cuses a metal to metal touch condition at high load/rpm, be it whip or lube , can cause a bearing to spin.......
