Is your defective GMC Yukon actually a LEMON?

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GMC TSB #N202310520

2021 GMC Yukon

TSB Document:

MC-10178409-9999.pdf

Affected Component: ENGINE AND ENGINE COOLING

Summary: Service Update - certain vehicles may have a condition where the engine oil cooler line is not fully seated into the quick connect at the radiator. Dealers are to inspect the engine oil cooler lines at the quick connector on the radiator to confirm they are fully seated.

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Date Published: JUL 30, 2020
NHTSA TSB #: 10178409

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