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Service bulletin GCUS-3-715

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10130670
Published by NHTSA2018-04-02
Manufacturer's numberGCUS-3-715
Manufacturer's date2016-10-13
NHTSA componentEQUIPMENT

NHTSA's summary

16069 - Customer Satisfaction Program. Involved vehicles may have a condition in which the front portion of the rear propeller shaft slips out of the PTU (Power Transfer Unit) and drags on the roadway. With this condition, the customer may hear a dragging noise from beneath the vehicle, but there will be no DIC/Cluster warning messages. A less probable, but similar, condition could also occur at the rear portion of the propeller shaft to the rear differential carrier assembly. Under either condition the vehicle still has propulsion power through the front axle. Dealers will inspect, and if necessary, reseat the prop shaft to the PTU and rear differential carrier assembly.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Equipment and accessories

Vehicles listed
BUICK LACROSSE2017

Listing a model year does not mean every vehicle of it is concerned: the document says which.

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