Ford F-350 Super Duty recurring transmission issue and right front brake lock-up after 12000 miles on Ford F-350 Super Duty

Some Ford F-350 Super Duty owners report experiencing recurring transmission issues, including downshifting into 3rd gear, harsh shifting, and outright transmission failures. These problems may present as improper shifting, getting stuck between gears, or slipping due to low transmission fluid levels. Additionally, some owners have reported right front brake lock-up after approximately 12,000 miles, which could indicate potential problems with the braking system or components. This issue may necessitate inspections and adjustments to parts like the track bar or thrust adjustment plate. It is crucial for owners to address these transmission and brake concerns promptly to maintain safety and optimal vehicle performance, as regular maintenance and timely repairs can prevent further complications.