6.7L – 4WD – Grinding Noise Heard On Coast Down Prior to 4-3 Downshift – 2022 Ford F-Super Duty
NHTSA ID Number: 10214875 Manufacturer Communication Number: TSB 22-2252 Summary Some 2022 F-Super Duty four-wheel drive (4WD) pickup vehicles built on or before 16-May-2022 equipped with a 6.7L engine may exhibit a momentary, slight grinding type noise prior to the 4-3 downshift while coasting without the brakes applied. This may be due to the software in the … Read more