This service bulletin provides information explaining possible normal CVT automatic transmission performance.
Chevrolet technical service bulletin 21NA004 for 2019-2021 Chevrolet Malibu, 2021 Chevrolet Trailblazer and 2020-2021 Buick Encore GX.
- Bulletin number
- 21NA004
- Component
- Power train
- Summary
- This service bulletin provides information explaining possible normal CVT automatic transmission performance.
Owners of these vehicles have filed 229 complaints in the transmission category.
Vehicles covered
- Chevrolet Malibu 2019-2021 201920202021
- Chevrolet Trailblazer 2021 2021
- Buick Encore GX 2020-2021 20202021
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