13-04-12, 10:09 PM
Have you spoken with the tester to see if they have any ideas on the most likely cause? That would be my first port of call.
With the disk showing signs of wear it could be that at some point the brake has bound causing excessive friction and heat warping the disk !?!
With the disk showing signs of wear it could be that at some point the brake has bound causing excessive friction and heat warping the disk !?!