NHTSA Complaint #10491468 — 2013 NISSAN ALTIMA

I TOOK POSSESSION OF MY NEW 2013 ALTIMA SV 2.5L 4 CYLINDER ON 11/17/2012. A SHORT TIME LATER I STARTED HEARING A RUMBLING, "LUGGING", SOUND COMING FROM THE ENGINE COMPARTMENT AND FEELING A VIBRATION ON THE GAS PEDAL AND STEERING WHEEL, ON LIGHT ACCELERATION FROM A STOP AT AROUND 1500 RPM. ON 12/13/2012 I TOOK THE VEHICLE BACK TO MY DEALER AND DROVE AROUND WITH MY SALESMAN AND A SENIOR TECHNICIAN, WHO BOTH STATED THEY HEARD THE RUMBLING NOISE. MY SALESMAN AND I WENT ON A DRIVE ON ANOTHER NISSAN ALTIMA 2.5 L SIMILAR TO MY CAR AND NEITHER OF US HEARD THE RUMBLING SOUND MY CAR MAKES. NO WORK WAS PERFORMED DURING THIS VISIT. ON 12/19/2012, I TOOK THE CAR BACK TO THE DEALER AND REPORTED THE SAME PROBLEM. THIS TIME THE SERVICE DEPT. ORDERED A SERPENTINE BELT AND BELT TENSIONER FOR MY CAR AND INSTALLED A PIECE OF INSULATION ON THE A/C LOW PRESSURE LINE. THE WORK ON THE A/C LINE DID NOT HAVE AN EFFECT ON THE NOISE AND VIBRATION LEVEL. MEANWHILE, I FILED A COMPLAINT WITH NISSAN CUSTOMER CARE AND WAS ASSIGNED A CASE NUMBER AND A "REGIONAL SPECIALIST TO HANDLE MY CASE. ON 12/21/2012, I RETURNED TO THE DEALER WITH THE SAME PROBLEM. ON THIS VISIT THE SERPENTINE BELT AND TENSIONER ON MY CAR WERE REPLACED BY NEW ONES. I WAS INFORMED BY THE DEALER THAT NISSAN WAS AWARE OF THE PROBLEM AND THE BELT AND TENSIONER SWAP WAS JUST A TEMPORARY SOLUTION. I DID NOTICED A FRACTIONAL DECREASE IN NOISE AND VIBRATION LEVEL AFTER THE SWAP. AS OF TODAY,01/04/2013, THE NOISE AND VIBRATION ARE BACK. THIS ISSUE HAS BECOME VERY ANNOYING AND DISTRACTING, TO THE POINT WHERE THE ABILITY TO CONCENTRATE FULLY ON MY DRIVING IS BEING AFFECTED. I RARELY USE THE CAR RADIO WHILE OPERATING MY VEHICLE FOR EXACTLY THIS SAFETY REASON. I'M CONCERNED THE IMPACT OF THE NOISE AND VIBRATION ON MY ABILITY TO CONCENTRATE FULLY ON MY DRIVING COULD LEAD TO AN ACCIDENT AND POSSIBLE INJURY. I HAVE NOT HEARD BACK FROM NISSAN. *TR