hello my 57 t5 1.9 gear stick has started moving up n down when accelerating/decelerating and seams to have force with it., last week it started really banging back n forth , and I found the clip on the change rods had come off, so replaced this and it seamed fine exept for this, taken it to local garage and they noticed the rear mount was split so they have changed all four mounts, still the same!! now they were on about dmf clutch , gearbox issues!!!! any help greatly recived..also I have low down judder from time to time, could this be that £13 switch?