TSB Document:

Affected Component: ENGINE AND ENGINE COOLING

Summary
N192277930 - Service Update - Certain 2020 model year Chevrolet Silverado and GMC Sierra vehicles may, after several years of use, fracture at the yoke-to-tube friction weld joint under torsional load. If the prop shaft fractures, the vehicle will experience a loss of propulsion without warning. The customer may notice a loud bang upon fracture that will coincide with the loss of propulsion. If the prop shaft fractures while the vehicle is parked on a graded surface and the park brake is not engaged, roll away is possible. Dealer will replace prop shaft and fasteners.

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Date Published
DEC 06, 2019
NHTSA TSB #
10171248
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