4WD – 6R100 – 3.73 Axle – Metallic Grinding Noise Under Light Acceleration Between 23-33 MPH (37-53 Km/h) – 2021-2022 Ford F-250
NHTSA ID Number: 10202797 Manufacturer Communication Number: SSM 50238 Summary Some 2021-2022 F-250 vehicles equipped with a 6R100 transmission, four-wheel drive (4WD), 3.73 rear axle ratio, and built on or after 01-Feb-2021 may exhibit a metallic grinding noise from the rear of the vehicle under light acceleration between 23-33 mph (37-53 Km/h). The noise is most … Read more