Can anybody confirm what size socket I need for driveshaft bolts on a Cupra R. Is it a 17mm? Had my car up on the ramp as I've still got a knock coming from the front, which only happens when I'm coming to a stop, or just starting to drive from a stand still...The only thing I can find is too much play in the passenger side driveshaft (the drivers side one also has a tiny bit of play but I've been told that's normal)
The inner boot is also starting to crack/split on that same driveshaft, so I'm just going to replace it. I'm about to order a new one now, but realised I don't have a big enough allen key/socket to undo the main bolt on the end, so I need to order one of those as well. Just don't know the size.

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