This problem started about 8 months back. First I felt undue shakiness when accelerating and it reduced at some speed (>50km/h). Then I noticed this shakiness is more when taking a bend. I showed it to the agent, and they took about 1 week to diagnose and said that need to replace the coupling assembly which cannot be repaired. They said it will cost me about >3000 USDs. Please send me any suggestions if you have.