TSB: CHATTER/RATTLE NOISE FROM ENGINE AFTER COLD SOAK - THIS BULLETIN PROVIDES INFORMATION ABOUT THE TIMING CHAIN TENSIONER REPLACEMENT ON SOME 2014~16MY CADENZA (VG) VEHICLES, PRODUCED FROM SOP THROUGH JANUARY 7, 2016, WHICH MAY EXPERIENCE A BRIEF CHATTERING OR RATTLING NOISE CONCERN FROM THE ENGINE ON START-UP, AFTER A COLD SOAK. AFTER CONFIRMING THE NOISE CONCERN, FOLLOW THE PROCEDURES OUTLINED IN THIS TSB TO RESOLVE THE CONCERN.