TL* THE CONTACT OWNS A 2000 TOYOTA 4RUNNER. THE CONTACT STATED WHILE THAT WHILE THE VEHICLE BEING DIAGNOSED BY A MECHANIC FOR A UNRELATED ISSUE, THE MECHANIC INFORMED THAT THERE WAS RUST COMING FROM THE REAR END OF THE FRAME. ADDITIONALLY, THE CONTACT STATED THERE WAS AN ABNORMAL BURNING ODOR COMING FROM THE VEHICLE. THE VEHICLE WAS TAKEN TO THE DEALER WHERE IT WAS DIAGNOSED THAT THE EXHAUST PIPE, THE CADILLAC CONVERTER AND THE PASSENGER SIDE FRAME NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 200,000.