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April 6, 2023 Service bulletin

This technical bulletin provides a procedure to clear out some crystals that may have formed in the DPF at...

Chevrolet technical service bulletin 23-NA-063 for 2023 Chevrolet Silverado 1500 and 2023 GMC Sierra 1500.

Bulletin number
23-NA-063
Component
Fuel system, diesel
Summary
This technical bulletin provides a procedure to clear out some crystals that may have formed in the DPF at freezing temperatures and how to clean out said debris.

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