Update Prior to Sale 20U12 – 6.7L Valve Seat Installation – 2020 Ford Super Duty
NHTSA ID Number: 10175999 Manufacturer Communication Number: 20U12 Summary Some of the affected vehicles may have a valve seat that is below the required retention force or not fully seated into one of the cylinder heads. A valve seat that is out of position may cause the illumination of the check engine light and may lead … Read more