No, I did a TB on a 2006 which was fine at 100k. Mine was worn. Using thicker oil should help prevent it, there's a guy called franko6 who modifies the bearing caps to increase oiling and uses a lower torque on the rocker bolts. It's a good theory but only time will tell if it's a permanent fix. Nobody really knows the real rate of failure because if a car comes in with a problem it's normally because it has wear. Some believe all will have this failure sooner or later. Flywheel replacement would probably be around $1000-1200 as a total guess. Parts+labor are more expensive at dealer.
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