This technical bulletin provides a procedure to replace the rear diff fluid to correct the rear clutches...
Chevrolet technical service bulletin 21-NA-028 for 2021-2024 Chevrolet Tahoe, 2021-2022, 2024 Chevrolet Suburban and 2021-2024 GMC Yukon and others.
- Bulletin number
- 21-NA-028
- Component
- Power train
- Summary
- This technical bulletin provides a procedure to replace the rear diff fluid to correct the rear clutches from chattering, which create a moan type noise.
Owners of these vehicles have filed 656 complaints in the transmission category.
Vehicles covered
- Chevrolet Tahoe 2021-2024 2021202220232024
- Chevrolet Suburban 2021-2022, 2024 202120222024
- GMC Yukon 2021-2024 2021202220232024
- GMC Yukon XL 2021-2024 2021202220232024
- Cadillac Escalade 2021-2024 2021202220232024
- Chevrolet Suburban 1500 2021-2024 2021202220232024
- Cadillac Escalade ESV 2021-2024 2021202220232024
- GMC Yukon XL 1500 2023 2023
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