Is your defective GMC Yukon actually a LEMON?

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GMC TSB #22-NA-181

2021 GMC Yukon

TSB Document:

MC-10220319-0001.pdf

Affected Component: POWER TRAIN

Summary: This diagnostic tip advises the tech not to separate the flexplate from the torque convertor or damage my occur if the engine is started while diagnosing for noise from the engine or transmission.

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Date Published: SEP 01, 2022
NHTSA TSB #: 10220319

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