The contact owns a 2021 Ford Bronco Sport. The contact stated while driving at an undisclosed speed, the vehicle made abnormal sounds. The vehicle was taken to an independent mechanic, who discovered that the rear shock was leaking fluid. The contact was informed that the rear end and shocks needed to be replaced. The vehicle was not repaired. The manufacturer was made aware of the failure and advised the contact to file a complaint with the NHTSA Hotline. The failure mileage was approximately 30,000.