This technical bulletin provides a procedure to inspect the front pump of the transmission for a possible...
Chevrolet technical service bulletin 21-NA-238 for 2020-2025 Chevrolet Silverado 2500, 2020-2025 GMC Sierra 2500 and 2020-2025 Chevrolet Silverado 3500 and others.
- Bulletin number
- 21-NA-238
- 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 355 complaints in the transmission category.
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