GMC TSB #20NA022

2020 GMC Sierra 3500

TSB Document:

Affected Component: BACK OVER PREVENTION

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
JAN 29, 2020
NHTSA TSB #
10172290
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