Ford: shudder or vibration on acceleration, especially when loaded

Bulletin number

TSB-09-20-5

Component

Vehicle speed control: accelerator pedal

Summary

Ford: shudder or vibration on acceleration, especially when loaded. Some super duty vehicles with single rear wheels (srw) and dual rear wheel (drw) may exhibit an excessive drive away shudder or vibration under moderate to heavy acceleration from a stop, especially when heavily loaded.

Owners of these vehicles have filed 20 complaints in the acceleration category.