Is your defective GMC Sierra 1500 actually a LEMON?

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GMC TSB #23-NA-048

2023 GMC Sierra 1500

TSB Document:

MC-10234178-0001.pdf

Affected Component: ENGINE AND ENGINE COOLING

Summary: This technical bulletin provides a procedure to replace the rear crankshaft seal to correct a customer concern of an oil leak from the center of the vehicle.

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Date Published: MAR 30, 2023
NHTSA TSB #: 10234178

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