Is your defective GMC Yukon actually a LEMON?

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GMC TSB #21-NA-028

2021 GMC Yukon

TSB Document:

MC-10230610-0001.pdf

Affected Component: POWER TRAIN

Summary: This technical bulletin provides a procedure to replace the rear diff fluid to correct the rear clutches from chattering, which create a moan type noise.

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Date Published: JAN 10, 2023
NHTSA TSB #: 10230610

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