2023 Ford F-600 had leaking brake booster which caused the brakes to be constantly applied. On 8/15/25 less than one year ago, owner had front rotors/pads replaced and rear rotors resurfaced and pads replaced. There were no warning lamps or messages, the only symptom was the brakes squealed so we thought it was time to change the rear rotors since they had only been resurfaced last year. The defective brake booster could have caused loss of brake assist or brake failure. This is a commercial vehicle with an approximate GVWR of 22,000lbs that is used daily to service clients. A defective brake booster compromises the driver's ability to control the vehicle, potentially leading to a hazardous situation. The problem was diagnosed and repaired by a certified Ford repair center. All maintenance records are available for review. Owner has asked dealer to return defective part to them or tag it and keep on hand for potential inspection. Repairs have just been completed today.
- NHTSA ID
- 11734506
- Incident
- Apr 23, 2026