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October 21, 2025 Service bulletin

2023-2026 F-Super Duty vehicles may be equipped from the factory with a power steering system filled with...

Ford technical service bulletin SSM 54311 for 2023-2026 Ford F-250 SD, 2023-2026 Ford F-350 SD and 2023-2026 Ford F-450 SD and others.

Bulletin number
SSM 54311
Component
Power train
Summary
2023-2026 F-Super Duty vehicles may be equipped from the factory with a power steering system filled with Motorcraft® MERCON® LV Automatic Transmission Fluid XT-10-QLVC or XL-22 high temperature power steering fluid that looks like clear hydraulic fluid. Both fluids are interchangeable in the power steering system when service is required. Workshop Manual, Section 211-02 > Power Steering > Specifications has been updated to provide the correct power steering fluid usage.

Owners of these vehicles have filed 35 complaints in the transmission category.

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