This technical bulletin provides a procedure to correct the condition of Wind Whistle Noise at Highway Speeds.
GMC technical service bulletin 23-NA-056 for 2020-2023 GMC Sierra 2500 and 2020-2023 GMC Sierra 3500.
- Bulletin number
- 23-NA-056
- Component
- Structure
- Summary
- This technical bulletin provides a procedure to correct the condition of Wind Whistle Noise at Highway Speeds.
Owners of these vehicles have filed 26 complaints in the body category.
Vehicles covered
- GMC Sierra 2500 2020-2023 2020202120222023
- GMC Sierra 3500 2020-2023 2020202120222023
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