Abraham Jewett , Jon Styf  |  March 27, 2023

Category: Auto News

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Close up of a mans hands using a tool to fix the engine of a car.
(Photo Credit: BigPixel Photo/Shutterstock)

Update:

  • Three classes of General Motors (GM) vehicle owners asked a California judge to throw out GM’s request to overturn a $100 million jury verdict.
  • The classes’ filing told Judge Edward Chen of U.S. District Court in the Northern District of California that it believes expert testimony is not needed for a class action case to succeed.
  • It also states that recent rulings throwing out defect claims in BMW and Mazda vehicles are not the same and do not apply.
  • The filing claims GM’s own witnesses testified the engine defect would occur, leading to the vehicles’ engines consuming an excessive amount of oil.
  • GM attempted to block the verdict, which would have awarded $2,700 each to class members who owned certain versions of GMC Sierra, Yukon and Yukon XL and Chevrolet Avalanche, Silverado, Suburban and Tahoe.

GM engine defect class action lawsuit overview: 

  • Who: A California federal jury awarded $100 million to three classes of General Motors (GM) vehicle owners. 
  • Why: The vehicle owners claimed GM sold vehicles with hidden engine defects that caused them to use an excessive amount of oil. 
  • Where: The class action lawsuit was filed in California federal court. 

(Oct. 6, 2022)

General Motors (GM) has been ordered to pay more than $100 million to classes of vehicle owners who argue the company sold vehicles with defective engines. 

A federal jury in California delivered the verdict against GM after less than one day of deliberation. It will benefit three classes of around 38,000 GM vehicle owners from California, North Carolina and Idaho, Law360 reports. 

Vehicle owners, who will receive $2,700 each, had accused GM of selling vehicles — including certain of its GMC Sierra, Yukon, Yukon XL and Chevrolet Avalanche, Silverado, Suburban and Tahoe — with a hidden engine defect that caused them to consume an excessive amount of oil. 

Jurors determined that GM breached its implied warranty and implied warranty of merchantability with the vehicle owners and violated Idaho’s consumer protection act, Law360 reports. 

Vehicle owners claim GM engine defect hidden from the public 

The vehicle owners claimed GM hid a defect in engines the company introduced in 2007 while the automaker reportedly argued that it discovered and fixed the problem. 

The vehicles at the center of the GM engine defect class action lawsuit include trucks and SUVS sold by the company between 2011 and 2014 that contained a Generation IV Vortec 5300 LC9 engine, Law360 reports. 

An engineer for GM reportedly testified during the trial that the automaker developed a cleaning process as a potential remedy to the defect that turned out to not be effective but was less expensive than a different potential fix. 

A separate class action lawsuit filed against GM escaped dismissal last month after a federal judge in Georgia mostly denied the automakers motion to dismiss claims it made defective engines. 

Have you purchased a GM vehicle with a defective engine? Let us know in the comments! 

The plaintiffs are represented by Christopher S. Stombaugh, John E. Tangren, Adam J. Levitt, Daniel R. Ferri, Mark Abramowitz and Joseph Frate of DiCello Levitt LLC; H. Clay Barnett III, J. Mitch Williams, Rebecca Diane Gillilan, and Dylan Thomas Martin of Beasley Allen Crow Methvin Portis & Miles PC; Jennie Anderson of Andrus Anderson; and Anthony Garcia of AG Law PA.

The GM engine defect class action lawsuit is Siqueiros, et al. v. General Motors LLC, Case No. 3:16-cv-07244, in the U.S. District Court for the Northern District of California.


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242 thoughts onDrivers fight back against GM’s challenge to $100M engine defect verdict

  1. Cynthia Fleming says:

    Had a 2011 GMC terrain that burned a lot of oil

  2. Tony Barber says:

    I have a 2019 5.3L Silverado. I bought it used with 16K miles on it. I 75K miles now Just last week, my check engine light, ECS light and break light all came on at the same time. I took the car to the dealership and was told that my #8 lifter has failed. And they recommend I change all lifter. As well as the camshaft. The cost would be $8K+! I was told by the dealer that they get 1 to 2 trucks a week with this same issue. And after checking Carfax. This was a manufacture buyback/lemon. Shame on GM for installing these cheap lifters. And shame on the dealer who sold this lemon to me. I want to join this lawsuit as well.

  3. Steve Staron says:

    I have a 2009 Chevy Silverado with 5.3 liter V-8. It threw an engine light at 91,000 miles and began to make a ticking sound. A scan said that the #8 cylinder was missing. It turns out that my lifters were failing and my crank shaft was a mess and my engine was ruined. I run all synthetics and check my oil every week. The dealership said it would be $5,800 to fix. I called down to Chevy corporate and complained to no end by email and voicemail. They finally agreed to cover half of it so in the end I was out $2,900. The rep at the dealership was a pain and they fought me the entire way. He seemed put out that half of it was going to get covered. The engine had under 100,000 but was over 5 years old. The rebuild has never been a tight engine (uses oil), it has made a ticking sound since the day I got it back. My catalytic converters went out about a month later due to the engine damage but of course Chevy would not speak to me about that so there went another $1,100 to replace those and the sensors. I would love to get my $2,900 back and an apology would be nice. I will never buy another GM product again as long as I live. They got me once but never again. Can I still get in on this payout?

  4. Dustin Reed says:

    I have a 2014 GMC Sierra double cab. It now has 108.000 miles. I’ve also spent thousands of dollars replacing the transmission. And thousand of dollars fixing the top half of the engine due to lifter failure. The lifters was replaced 2 times before I decided to go a different route so it wouldn’t happen again. This all happened before 100 thousand miles.

  5. David Greenwalt says:

    2015 Chevrolet Silverado LTZ 6.2L 4×4 with 101,000 miles. This truck has been nothing but problems since we purchased it. Dealer had to replace the entire transmission only months after I purchased it. I have spent thousands of dollars chasing constant electrical and mechanical issues. It now has a bent pushrod and collapsed lifter. I’m a firefighter with a family, and I don’t make enough money to be perpetually nickel and dimed by this thing. Can you do anything to help?

  6. Rosemary Pruitt says:

    I have a used 2016 Equinox LS from Megel Chevrolet. I have all service’s paperwork.

  7. Arlen R. Day, II says:

    What about the GM 3.6 that has the same problem? The engine in my 2011 Traverse failed and I saw that those engines also had issues with excessive oil use due to a design in which the piston rings did not fit as tight as they could have. Chevy dealer said there is no recall, so I got stuck paying over $3,000 for a new engine.

  8. Peter Philbrick Sr says:

    I have a 2013 Avalanche with a 5.3 engine.I have had problems with the engine

  9. Chanta ringo says:

    Yes I have a 2007 Tahoe and my mother mount was broke

  10. Chaz cave says:

    Hello I have a 2010 Chevy Tahoe the vin number is (1GNUKCE01AR283079). I have been experiencing issues with my engine and might be included in this lawsuit. Please feel free to give me a call

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