September 19, 2022 Service bulletin

Certain 2017 through 2020 Model Year F550 Equipped with Payload Plus Upgrade Package Frame Rail Crack...

Ford technical service bulletin 21B04 S4 for 2017-2020 Ford F-550.

Bulletin number: 21B04 S4
Component: Structure: frame and members
Summary: Certain 2017 through 2020 Model Year F550 Equipped with Payload Plus Upgrade Package Frame Rail Crack Program Terms: Program will be extended for an additional year; Urgency/Expiration Date: Program will be extended for an additional year Owner Refunds: Refunds have been extended to December 31, 2022, for owner paid repairs completed prior to owner notification date

Owners of these vehicles have filed 12 complaints in the body category.

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