#VALVE INDEX GAMMA CONTROL DRIVER#
Finally, the lawsuit states that the onboard oil life monitoring system does not alert the driver about the low oil levels until there is already a danger for causing engine damage. Further issues included in the lawsuit point to the engine’s four-cylinder mode, with inactive cylinders allowing oil to enter the combustion chamber, while the PCV system, which vacuums atomized oil from the valvetrain into the intake, is also identified as a source of excessive oil consumption. What’s more, the lawsuit alleges that the active fuel management system’s oil pressure relieve valve can overload and foul the rings. The plaintiff in the lawsuit alleges that the excessive oil consumption is primarily the result of defective piston rings, which can prematurely wear out and allow oil to enter the combustion chamber.
The vehicles covered by the lawsuit include several 2011- through 2014-model-year GM trucks and SUVs: The excessive consumption can lead to a lack of engine lubrication, resulting in internal engine damage. District Court for the Eastern District of Oklahoma, with the plaintiff represented by Levinson, Smith and Huffman, PC, DiCello Levitt Gutzler LLC, Beasley, Allen, Crow, Methvin, Portis and Miles, P.C.Īccording to the lawsuit, the GM Generation IV 5.3L V8 Vortec 5300 LC9 gasoline engine exhibits abnormal oil consumption that exceeds industry standards. A lawsuit against GM that alleges excessive engine oil consumption in the automaker’s 5.3L V8 engine has been allowed to continue in an Oklahoma federal court after the judge overseeing the lawsuit denied GM’s motion to dismiss.Īccording to a recent report from Car Complaints, the lawsuit was filed in the U.S.
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