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GMC TSB #18NA183
2017 GMC Sierra
Affected Component: SUSPENSION:FRONT:SPRINGS:LEAF SPRING ASSEMBLY
Date Published
AUG 06, 2019
NHTSA TSB #
10165090
TSB Document
MC-10165090-9999.pdf
Summary
This technical bulletin provides a procedure to check and repair the rear shackle and/or add lube to the leaf springs to correct the noise.