Just put my car in for first MOT and brake fluid change. It has Haldex 4x4   The free health check came back clean, as one would expect for a less than 3 year old £40k car, EXCEPT for an advisory that “prop shaft donut seized advise replacement of prop shaft donut and prop shaft bolts”. Oh and yes they will be delighted to fix it for me for a mere £635.62. WTF!?   Can a donut even be seized? Surely it is a rubber thing with one bit attached to the shaft and one bit attached t