I have a 2008 Vantage V8 and have been having a problem shifting gears. If I go to max RPM in 1st, I can't get the clutch to release. With the clutch fully in the car decelerates to about 4000RPM and then I can force the shift out of 1st and shift to 2nd. The dealer claims the clutch is worn--no warantee. I claim the problem is in the throw-out bearing that would be a warantee item. Any help would be greatly appreciated.