Is your defective GMC Sierra 1500 actually a LEMON?

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GMC TSB #21NA271

2021 GMC Sierra 1500

TSB Document:

MC-10205590-9999.pdf

Affected Component: EQUIPMENT

Summary: TGhis bulletin advises the technician of a possible coolant hose that might be kinked causing the customers concern.

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Date Published: NOV 19, 2021
NHTSA TSB #: 10205590

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