Intermittent grinding noise while driving in two wheel drive (2WD) mode most commonly on acceleration
Ford technical service bulletin TSB 19-2252 for 2013-2018 Ford F-150, 2013-2017 Ford Expedition and 2013-2017 Lincoln Navigator.
- Bulletin number
- TSB 19-2252
- Component
- Power train
- Summary
- Some 2013-2018 F-150/Expedition/Navigator vehicles equipped with four wheel drive (4WD) may exhibit an intermittent grinding noise while driving in two wheel drive (2WD) mode most commonly on acceleration. This may be due to a loss of vacuum to the integrated wheel end (IWE) actuators and/or wear of the IWE components. To correct the condition, follow the Service Procedure steps to replace the worn vacuum and/or IWE components.
Owners of these vehicles have filed 4,630 complaints in the transmission category.
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