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2020 Mazda CX-30 Hi...
 
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2020 Mazda CX-30 High-pitched Whining Sound

  

1
Topic starter

I recently purchased (thru trade-in) a 2020 Mazda CX-30 Preferred.  I am getting to know all the electronics, and so far I love it!  However, yesterday when I reached speeds between 70 and 75 MPH on the interstate a high-pitched sound was heard coming from the front of the vehicle or engine area.  When driving at lower speeds around town, there is no engine sound. 

My online search had several other owners complaining of the same noise.  I do plan to take it into a service shop, but in case they can't find anything, is this anything you can advise me on?


Can you make a YouTube video of the noise & post the link here?


2 Answers
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Try to pinpoint the source of the noise using this technique -

https://youtu.be/Wy5nqh3LSs4


2

You may have some cosmetic issues and when air goes through them in high speed, you will hear the noise. 


The undercarriage of all Mazda CX have covers. Not sure if that is what you are referring to...


I meant some loose parts that are not supposed to.


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