I changed both front bearings a little while ago on my gti6. The car is off the road, engine rebuild etc anyway i had to take the driveshaft back out and i noticed one off the hubs had lots off play in the bearing although its a new bearing. Just baught a new bearing and the inner race/sleeves has massive amounts of play so i can only imagine that when the hub nuts are done up they 'clamp' the bearing?
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208 GTI OwnerTurbo'd '6 project - work in progress