Is your defective GMC Sierra 1500 actually a LEMON?

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GMC TSB #21NA089

2021 GMC Sierra 1500

TSB Document:

MC-10194107-9999.pdf

Affected Component: SERVICE BRAKES, AIR:DISC:CALIPER

Summary: This technical bulletin provides a procedure to replace the rear calipers if found packed for of mud and debris.

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Date Published: APR 22, 2021
NHTSA TSB #: 10194107

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