Is your defective GMC Sierra 3500 actually a LEMON?

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GMC TSB #PIP5926

2024 GMC Sierra 3500

TSB Document:

MC-10239150-9999.pdf

Affected Component: POWER TRAIN

Summary: This Preliminary information communicates that the t-case input seal, and/or the o-ring most likely is the source of the leak between the transmission and the t-case.

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Date Published: JUN 07, 2023
NHTSA TSB #: 10239150

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