Some 2017-2021 F-Super Duty vehicles may intermittently exhibit excessive steering oscillation
Ford technical service bulletin SSM 49628 for 2017-2021 Ford F-250 SD, 2017-2021 Ford F-350 SD and 2017-2021 Ford F-550 SD and others.
- Bulletin number
- SSM 49628
- Component
- Steering
- Summary
- Some 2017-2021 F-Super Duty vehicles may intermittently exhibit excessive steering oscillation. A new instructional video has been published in the Workshop Manual (WSM) to provide specific measurement instructions on the appropriate tools and methods to determine which steering linkage joints are exceeding lash specifications and which are operating as designed. The left side tie rod end and sector shaft arm drag link joints should not be replaced without obtaining the proper lash measurements. Refer to WSM, Section 211-03 Steering Linkage > Diagnosis and Testing > Symptom Chart.
Owners of these vehicles have filed 2,508 complaints in the steering category.
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