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GM Gen IV Vortec 5300 Engines Use Too Much Oil Complaint

February 22, 2021

The complaint for this class action alleges that certain Chevy and GMC vehicles are “engineered to fail.” The issue, it says, is the Generation IV 5.3L V8 Vortec 5300 LC9, which consumes excessive amounts of oil. The problem can lead to engine damage, seizure, and stalling.

Case Event File: GM Gen IV Vortec 5300 Engines Use Too Much Oil Complaint

Related to: GM Gen IV Vortec 5300 Engines Use Too Much Oil Class Action