Is your defective GMC Sierra 2500 actually a LEMON?

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GMC TSB #22-NA-137

2022 GMC Sierra 2500

TSB Document:

MC-10239084-0001.pdf

Affected Component: POWER TRAIN

Summary: This technical bulletin provides a procedure to locate and repair a transmission leak that may be coming from port plugs near the rear of the transmission.

Click a tab for more information.

Date Published: JUN 22, 2023
NHTSA TSB #: 10239084

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