2WD – Clunk Noise When Shifting REVERSE To DRIVE Or DRIVE To REVERSE And/Or During Coast Down – 2018-2020 Ford Expedition & Lincoln Navigator

2020 Ford Expedition

NHTSA ID Number: 10179116 Manufacturer Communication Number: TSB 20-2253 Summary Some 2018-2020 Expedition/Navigator two-wheel drive (2WD) vehicles may exhibit a clunk noise from the driveshaft area when shifting from REVERSE to DRIVE or DRIVE to REVERSE and/or during coast down. This condition may be caused by a slip/stick condition at the transmission output flange/anti-ting ring interface. To …

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