GMC TSB #22-NA-181

2008 GMC Sierra 2500

TSB Document:

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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