Maserati · United States · Mod
Maserati Quattroporte, Ghibli: Power train — differential unit
Affects Maserati Quattroporte, Ghibli · 2017 — about 326 vehicles.
The hazard
A loose pinion gear may bind, possibly resulting in the rear wheels locking up and increasing the risk of a crash.
What to do
Maserati will notify owners, and dealers will inspect the rear differential unit pinion nut torque, and, as necessary, replace the rear differential unit, free of charge. The recall began on December 30, 2016. Owners may contact Maserati customer service at 1-877-696-2737. Maserati's number for this recall is 328.
Critical — crash/injury risk now
High — injury risk; see remedy
Moderate — fix at next service
Low — minor / informational