NHTSA Complaint #11502217 — 2014 CADILLAC CTS

The contact owns a 2014 Cadillac CTS. The contact stated while driving at approximately 50 MPH, a loud grinding sound came from the rear of the vehicle. The contact stated no warning light was illuminated. The contact had taken the vehicle to a local dealer, where it was diagnosed that the rear tires needed to be replaced. The contact had both rear tires replaced; however, the loud grinding noise recurred and was also heard a sound when starting the vehicle, shifting into drive(D) and slowly accelerating. The contact took the vehicle back to the same dealer who determined that the rear differential needed to be replaced. The vehicle had not been repaired. The manufacturer had been informed of the failure. The failure mileage was approximately 78,000.