I am experiencing a weird vibration in my GT JTD. It is most noticeable at above 50mph and under power.. when I lift off it seems to disappear. The steering wheel isn't shaking but the whole car is.
I've had my mechanic look at it and he says wheels/tyres /suspension are all OK. I had a drive shaft replaced last year, and this vibration is not at all like the shaking I got when the stupid tripod was shot.
He is suggesting the diff? I don't have any problems with gearbox or power.
Anyone had similar experience or more mechanically minded and able to suggest other possibilities?
Also, any ideas on a good price for a new diff?