Complaint 1818423

Complaint Summary

ENGINE

Owner Narrative

Technical Service Bulletin #13-06-01-003H (TSB 003H) in regards to GM’s 2.4L engines & excessive oil consumption. (https://static.nhtsa.gov/odi/tsbs/2016/MC-10116880-9999.pdf) This release not only concedes a persistent issue found in at least six GM models, but more importantly fails to acknowledge the serious and fatal risks as a result of the Oil Consumption Defect. As a direct result of GM's known defect, I was left in a dangerous situation. I crossed a divided residential street, engine stalled and the vehicle turned off, stranded in the middle. It is not unreasonable to imagine other similar situations occurring, leaving people directly susceptible to serious injury or death. Here, the dipstick was completely dry. It took two quarts before any oil appeared on the dipstick. The oil light did not illuminate and I was approximately 1500 miles from my next scheduled oil service. The diagnosis: pistons excessively worn from lack of oil, engine failure. My situation is not unique. https://www.carcomplaints.com/Buick/Verano/2012/engine/engine.shtml Sanchez et al v. General Motors LLC, found in favor of the plaintiffs. The issue: the Oil Consumption Defect, found in 2010-13 Equinox & Terrain, both vehicles listed on TSB 003H with the 2012 Verano. https://www.classaction.org/media/sanchez-et-al-v-general-motors-llc.pdf The primary cause: faulty piston rings and defective crankcase ventilation system, leading to excessive oil consumption. The oil monitoring systems are defective. “Reliance on the [system] instead encourages owners to drive with a false sense of security.” “Problems include, but are not limited to: unanticipated engine shutdowns, engine stalls.” “[This] is a substantial safety concern because [failure]… cannot be reasonably anticipated or predicted.” To allow GM to ignore this documented and persistent issue, without further investigation, would be a failure carry out the NHTSA’s core duty: to save lives and prevent injuries. Thank you.

Owner-submitted narrative on file with NHTSA. Complaint narratives are self-reported and have not been verified.