Is your defective GMC Sierra 1500 actually a LEMON?

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GMC TSB #PI1394B

2021 GMC Sierra 1500

TSB Document:

MC-10249579-0001.pdf

Affected Component: POWER TRAIN

Summary: This PI bulletin advises the technician on the proper way to install the pistons in an engine.

Click a tab for more information.

Date Published: JAN 12, 2024
NHTSA TSB #: 10249579

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