When the car went into lockup in overdrive at around 1400rpm the car would vibrate like metal vibrating. Dealer had a hard time recreating the noise but finally did. They flushed the transmission fluid and that actually fixed it.
See our lemon odds and nada odds page to see vehicles with no repairs or vehicles with more than three repairs. To see how
frequently 2011 Acura TL problems occur, check out our car reliability stats.