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December 17, 2021 Service bulletin

Whistling Noise From Front Door Window Glass or Windshield When Driving At Highway Speed: Some customers...

Mazda technical service bulletin 09-028-21-3748a for 2017-2021 Mazda CX-5.

Bulletin number
09-028-21-3748a
Component
Structure
Summary
Whistling Noise From Front Door Window Glass or Windshield When Driving At Highway Speed: Some customers may complain about a whistling noise heard from the top of the A-pillar area and/or the top of windshield area when driving at highway speeds. When driving under the following conditions, a negative pressure is generated on the doors and the windshield pulling them outward and resulting in weatherstrip vibration. - The vehicle is exposed to a side wind while driving at highway speeds. - The vehicle is exposed to a strong side wind while driving at a speed slightly higher than highway speed. Customers having this concern should have their vehicle repaired using the following repair procedure.

Owners of these vehicles have filed 39 complaints in the body category.

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