I'm going to echo ZackBilly on the "run don't walk" and change the bevel box oil ASAP!

I too experienced the black goo, and changing the oil cured a very nasty drivetrain rattle that had been developing - obviously due to poor lubrication from the goo...


1965 Plus 4
2008 997 Turbo Cab
1981 Alfa Spider
1954 Austin Healey 100 (SOLD)
2013 M3W (SOLD)