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Vehicles Affected: Approximately 300 model-year 2017 Maserati Quattroporte and Ghibli luxury sports sedans manufactured between July 1 and Oct. 12, 2016

The Problem: The rear differential unit pinion nut may not have been properly tightened, allowing the pinion nut to loosen. A loose pinion gear may bind, possibly resulting in the rear wheels locking up and increasing the risk of a crash.

The Fix: Dealers will inspect the rear differential unit pinion nut torque and replace the rear differential unit, as necessary, for free.

What Owners Should Do: Maserati will begin notifying owners this month. Owners can call the automaker at 201-510-2369, the National Highway Traffic Safety Administration’s vehicle-safety hotline at 888-327-4236 or go to www.safercar.gov for more info.

Need to Find a Dealer for Service? Go to Service & Repair to find your local dealer.

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