This informational bulletin explains how to check if the pulley and/or drive chain has any damage caused...
Chevrolet technical service bulletin 20-NA-120 for 2019-2024 Chevrolet Malibu, 2021-2024 Chevrolet Trailblazer and 2020-2024 Buick Encore GX.
- Bulletin number
- 20-NA-120
- Component
- Power train
- Summary
- This informational bulletin explains how to check if the pulley and/or drive chain has any damage caused by low fluid or a code set that causes the transmission to default maxing out pressure.
Owners of these vehicles have filed 340 complaints in the transmission category.
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