NHTSA Complaint #11511007 — 2021 CHEVROLET SILVERADO 2500

The contact owns a 2021 Chevrolet Silverado 2500. The contact stated while driving at various speeds and depressing the brake pedal, there was an abnormal squeaking sound coming from the rear of the vehicle. The dealer was not notified of the failure and informed the contact that the brakes needed to be replaced. The vehicle was not diagnosed nor repaired. The vehicle was taken to an independent mechanic, where it was diagnosed with brake pulsation, and a rear brake bolt was loosened. The mechanic tightened the bolt. The vehicle was repaired. The manufacturer was not notified of the failure. The failure mileage was approximately 15,000.