Loud High Pitched Noise From Entertainment System – 2018 Ford Expedition & Lincoln Navigator

2018 Ford Expedition

SSM 46996 – 2018 Expedition/Navigator – Loud High Pitched Noise From Entertainment System -Built On Or Before 1-Dec-2017 2018 Expedition/Navigators built on or before 1-Dec-2017 may exhibit a loud high pitched noise from the entertainment system.   The vehicle may not exhibit the noise until the entertainment system has been in use for 5-10 minutes. …

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High Pitched Squeal/Whistle Noise From The Engine Compartment After Engine Shut Off – 2017-2021 Ford F-150

2021 Ford F-150

NHTSA ID Number: 10233745 Manufacturer Communication Number: SSM 51469 Summary Some 2021 F-150 vehicles built on or before 01-Feb-2021, 2017-2020 F-150 vehicles equipped with a 3.5L EcoBoost engine, 2018-2020 F-150 vehicles equipped with a 2.7L EcoBoost or 5.0L engine, 2019-2020 F-150 vehicles equipped with a 3.0L diesel engine may exhibit a high pitched squeal or whistle type …

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