Update: On October 4, 2022, a jury returned a verdict in favor of the Plaintiffs on the certified claims for the three classes. No final judgment has been entered, and no money is available to class members at this time. General Motors has filed post-trial motions contesting the verdict and intends to appeal if the Court denies GM’s post-trial motions and enters judgment. A copy of the Jury Verdict is available here. Please continue to check this website for updates.

Nature of the Case

The Court certified a class action lawsuit and that your rights may be affected. The lawsuit alleges defects in certain 2011-2014 Chevrolet Avalanche, Silverado, Suburban, Tahoe, and GMC Sierra, Yukon, and Yukon XL vehicles equipped with Generation IV LC9 5.3 Liter V8 Vortec 5300 engines (“LC9 Engines”). Judge Edward M. Chen of the United States District Court for the Northern District of California is overseeing this lawsuit.  The lawsuit is known as Siqueiros et al. v. General Motors, LLC, and the case number is 3:16-cv-07244-EMC.

Am I in a Class?

The “Class Vehicles” are: 2011-2014 Chevrolet Avalanches, Silverados, Suburbans, Tahoes, and 2011-2014 GMC Sierras, Yukons, and Yukon XLs with LC9 engines and manufactured on or after February 10, 2011. Any vehicle that has already received adequate piston replacement (i.e. upgraded piston rings) is excluded from the class. Class members are all current owners or lessees of a Class Vehicle who purchased or leased the vehicle (a) in the State of North Carolina, (b) from a GM-authorized dealer in Idaho, or (c) purchased or leased in new condition in the State of California.

 

YOUR LEGAL RIGHTS AND OPTIONS:

 

Dates and Deadlines