This technical bulletin provides a procedure to inspect the front pump of the transmission for a possible...
Chevrolet technical service bulletin 21NA238 for 2020-2021 Chevrolet Silverado 2500, 2020-2021 GMC Sierra 2500 and 2020-2021 Chevrolet Silverado 3500 and others.
- Bulletin number
- 21NA238
- Component
- Power train
- Summary
- This technical bulletin provides a procedure to inspect the front pump of the transmission for a possible leak.
Owners of these vehicles have filed 151 complaints in the transmission category.
Vehicles covered
- Chevrolet Silverado 2500 2020-2021 20202021
- GMC Sierra 2500 2020-2021 20202021
- Chevrolet Silverado 3500 2020-2021 20202021
- GMC Sierra 3500 2020-2021 20202021
- Chevrolet 3500 2020-2021 20202021
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