Is your defective GMC Yukon actually a LEMON?

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GMC TSB #21NA237

2021 GMC Yukon

TSB Document:

MC-10207914-9999.pdf

Affected Component: UNKNOWN OR OTHER

Summary: THis technical bulletin provides a procedure to perform a cooling system flush to remove possible debris from the cooling system pipes.

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Date Published: DEC 16, 2021
NHTSA TSB #: 10207914

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