Is your defective GMC Sierra 3500 actually a LEMON?

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GMC TSB #20-NA-022

2021 GMC Sierra 3500

TSB Document:

MC-10217050-0001.pdf

Affected Component: SUSPENSION

Summary: This technical bulletin provides a procedure to re-torque the leaf spring u bolts to correct a condition of Clunking Noise from Rear of Vehicle (Re-torque Leaf Spring Bolts).

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Date Published: JUL 19, 2022
NHTSA TSB #: 10217050

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