GM Vortec oil consumption lawsuit dismissed
Colorado class action lawsuit alleges defective piston rings caused excessive oil consumption. October 12, 2024 — A Colorado General Motors Vortec engine oil consumption lawsuit has been dismissed due to alleged defective piston rings in several popular models. What began as a nationwide GM Vortec engine class action lawsuit ended up being a class action lawsuit against the following vehicles manufactured on or after February 10, 2011, equipped with the fourth-generation 5.3L V8 Vortec 5300 LC9 engine and sold in Colorado Buy or rent. 2011-2014 Chevrolet Avalanche 2011-2014 Chevrolet Silverado 2011-2014 Chevrolet Suburban 2011-2014 Chevrolet Tahoe 2011-2014 Jim Cicella 2011-2014 GMC Yukon 2011-2014 GMC Yukon XL However, any vehicle that receives a free upgrade to its piston rings during the warranty period is excluded. The lawsuit claims the vehicles have an "inherent . . . excessive oil consumption problem" allegedly caused by defective piston rings in the LC9 Vortec 5300 engines. The plaintiffs allege that GM concealed its oil consumption…
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