Cooling fan with excessive noise or stays on continuously
Ford technical service bulletin SSM 50673 for 2020-2022 Ford F-250 SD, 2020-2022 Ford F-350 SD and 2020-2022 Ford F-450 SD and others.
- Bulletin number
- SSM 50673
- Component
- Engine and engine cooling
- Summary
- Some 2020-2022 F-Super Duty vehicles equipped with a 6.7L engine may exhibit a cooling fan with excessive noise or stays on continuously. The Workshop Manual (WSM), Section 303-03 Engine Cooling > Diagnosis and Testing > Cooling Fan Control, pinpoint test (PPT) AH for 2021-2022 and Powertrain Control/Emissions Diagnosis (PC/ED) Manual PPT AH for 2020 have been updated to improve diagnostics and reduce unnecessary cooling fan clutch replacements.
Owners of these vehicles have filed 128 complaints in the engine category.
Vehicles covered
- Ford F-250 SD 2020-2022 202020212022
- Ford F-350 SD 2020-2022 202020212022
- Ford F-450 SD 2020-2022 202020212022
- Ford F-550 SD 2020-2022 202020212022
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