Originally Posted by gar80t
Any one else had a drama with a noisy/vibrating tailshaft?
My Turbo is on its second tailshaft. It developes a "pinging" noise on change of direction.(ie going from forward to reverse/reverse to forward) The dealers have replaced the shaft for the second time, which cures the problem, but only to re-surface within 4-8 weeks, after which time I try to put up with it until it finally drives me mad. I've not gotten any feedback from the dealers in regards to the cause (they never are interested!)
There is also a vibration which developes, but only after a long drive at sustained high speed. (110 kM/h +)
By the way the car is a manual, does not get thrashed, has not seen a race track, and only had one (yes only one) high rpm (ie;2100rpm) standing start!!
Take it back to the dealer and tell them to look at your diff (probably an LSD),
It seems that something is causing the tailshaft to become unbalanced, maybe the driveshaft bolts are loose or the balance nuts on the driveshaft bolts are fitted incorrectly. The pinion flange on the diff could be loose.
Take no crap from the dealer, tell them that the problem will lead to the gearbox crapping out if it isn't fixed which will cost them more under warranty