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March 5, 2026 Service bulletin

This article supersedes TSB 24-2249 to update the claim quantity of the torque converter nuts, part number...

Ford technical service bulletin TSB 26-2088 for 2020-2022 Ford F-250 SD, 2020-2022 Ford F-350 SD and 2020-2022 Ford F-550 SD and others.

Bulletin number
TSB 26-2088
Component
Power train
Summary
This article supersedes TSB 24-2249 to update the claim quantity of the torque converter nuts, part number and claim quantity of the front support assembly bolt washers, and part number change of the fluid pan from the Parts List. Some of the vehicles listed in the Model statement above may exhibit a harsh reverse to drive engagements with no diagnostic trouble codes (DTC). This may be due to sticking valves in the main control valve body and/or damaged input shaft seals (F9), and the output shaft seals (F10). Additional model information:  Built On Or Before 13-Dec-2021  10R140 Automatic Transmission

Owners of these vehicles have filed 213 complaints in the transmission category.

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