This technical bulletin provides a procedure to replace the 4 5 6 clutch housing if the bushing was found...
Chevrolet technical service bulletin 20NA078 for 2019-2021 Chevrolet Silverado 1500, 2019-2021 Chevrolet Tahoe and 2019-2021 GMC Sierra 1500 and others.
- Bulletin number
- 20NA078
- Component
- Power train: clutch assembly
- Summary
- This technical bulletin provides a procedure to replace the 4 5 6 clutch housing if the bushing was found worn and the cause of the customers concern.
Owners of these vehicles have filed 1,723 complaints in the transmission category.
Vehicles covered
- Chevrolet Silverado 1500 2019-2021 201920202021
- Chevrolet Tahoe 2019-2021 201920202021
- GMC Sierra 1500 2019-2021 201920202021
- Chevrolet Suburban 2019-2021 201920202021
- GMC Yukon 2019-2021 201920202021
- Chevrolet Silverado 2500 2019-2021 201920202021
- GMC Yukon XL 2019-2021 201920202021
- GMC Sierra 2500 2020-2021 20202021
- Chevrolet Express 2019-2021 201920202021
- GMC Savana 2020 2020
- GMC Sierra Denali 2019 2019
- Chevrolet Silverado 4500 2019-2020 20192020
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