Is your defective GMC Acadia actually a LEMON?

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GMC TSB #19-NA-256

2021 GMC Acadia

TSB Document:

MC-10234106-0001.pdf

Affected Component: ENGINE AND ENGINE COOLING

Summary: This service bulletin provides diagnostic aid information/procedures to perform inspections to determine if the engine needs to be replaced as opposed to just internal parts for knocking, rattle, squeak and/or squeal type noises from engine.

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Date Published: MAR 15, 2023
NHTSA TSB #: 10234106

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