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    Why is my 2018 Ford Ranger making a loud crunching noise?

    Ford Ford Advice Ford Ranger Ford Ranger Advice Ford Ranger 2018

    When my 2018 Ford Ranger is off there is a loud tapping or crunching noise coming from within the dash. I did initially worry it may have been a rodent, however it is not. It is very consistent and long term. I have had a look and nothing obvious stands out. What do you think?

     

    Answered by CarsGuide
    15 August 2020
    David Morley

    While it might sound like your car is haunted, I have actually come across this problem before and it’s not as rare as you might think. The clicking/tapping noise is actually caused by the actuator motor for the cabin-ventilation’s recirculation flap.

    If any dirt or grease contaminates the internal electrical contacts inside the actuator (which is a little electric motor that opens and closes the flap) the actuator cannot electronically detect (or find) its parked position. So, it continues to cycle the flap, searching in vain for the contact that tells it to switch off. That continual cycling is what you can hear.

    You can replace the actuator or, if you’re keen and a bit handy, you can remove the actuator from under the dashboard (near the glove-box) take the unit apart and clean the contacts to that it all works properly again. Or take it to a Ford dealership, as a 2018 anger should still be covered by the factory warranty (Ford upgraded the warranty to five years in 2018).

    Disclaimer: You acknowledge and agree that all answers are provided as a general guide only and should not be relied upon as bespoke advice. Carsguide is not liable for the accuracy of any information provided in the answers.
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