25-NA-230: Windshield Upper Reveal Molding Flutter Kazoo Noise

25-NA-230: Windshield Upper Reveal Molding Flutter Kazoo Noise - July 9, 2026

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Document #
25-NA-230
Model Years
2023 - 2026
Brand
  1. Chevrolet
  2. GMC
Models
  1. Canyon
  2. Colorado
Reference Areas
  1. Body
Condition:
Some customers may comment there is a hum/buzz/hoot/kazoo type of noise heard in the interior of the vehicle when driving at highway speeds.

Some customers may further comment that the noise appears to be coming from the roof or upper windshield area.

The noise may be more prevalent on warm sunny days and/or by driving into the wind on windy days.

Cause: The cause of the condition is an imperfect seal on the windshield to the body exterior.

Correction: Refer to the procedure in this Service Bulletin.
Author
Rob
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