Refering to the grease spilling out,happened to me drivers side axel.twice.im still driving it too with it too.the amount of time u can drive with it in the condition isnt measureable imo.however when things really get bad ull kno.i got lucky considering when i lost power going to that axel i basicall was driving a 3 wheel drice car but i was actually heading to the shop to get it fixed and i was less then 2 miles away.i recommened getting it fixed A.S.A.P.