I know of two driveshaft disconnects that failed, both friends lost transmissions due to it. Another friend had a Chrysler van, put a lube pump on it. The pump failed, no alarm was noted, another transmission gone.
2009 45' Magna 630 w/Cummins ISX 650 HP/1950 Lbs Ft
Charter Good Sam Lifetime Member, FMCA, SKP
RV'ing since 1957, NRA Benefactor Life, towing '05 Odyssey