Is your defective GMC Sierra 1500 actually a LEMON?

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GMC TSB #18-NA-361

2021 GMC Sierra 1500

TSB Document:

MC-10222658-0001.pdf

Affected Component: FUEL SYSTEM, DIESEL

Summary: This technical bulletin provides a procedure to flush the cooler lines to validate if there is excessive debris in the fuel system caused by a failed part.

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Date Published: SEP 09, 2022
NHTSA TSB #: 10222658

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