hi there,a couple of you may remember the thread of my disco gettin g swamped at tong,its now alive 3wks ago it was given a new 200 tdi unit ,a new r380 box ad tbox,and last week a front diff,yday i was out and it made an almighty bang as if something locked up like the front prop sudenly been stoped imediatly clutch down ,slowley let the clutch back up back to normal as if nothing had happend,this hapend sevaral times yday,and i dont think its a w/b as there was no screach like u get when a wheel locks up,the only way to discribe it is imagine a riding a push bike and some 1 sticking a stick inbetwen your spokes ,any ideas would be aprecited