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GM knowingly sold Corvette vehicles with defective engines, according to a recent class action lawsuit against the automotive company.
The class action lawsuit was filed against GM by individuals from numerous states who leased or purchased a 2013 Chevrolet Corvette 427 or 2006-2013 Chevrolet Corvette Z06 vehicles equipped with an LS7 engine.
The plaintiffs say that the engines in these vehicles suffer from excessive valve guide wear, a problem known by General Motors.
The GM engine class action lawsuit states that, due to the defects in the manufacturing of the LS7 7.0LV8 engines, the Class vehicles are prone to frequent mechanical failure. The defect causes oil to suddenly leak under the vehicle which can cause the rear tires to lose traction, according to the General Motors class action lawsuit.
The plaintiffs state that the engines present a “dire and significant safety danger” to the vehicle operator which could result in life-threatening bodily harm. Many of the plaintiffs maintain that this failure has occurred in their vehicles.
The GM class action claims that “Upon failure, the subject engines are subject to explosion, resulting in the ejection of engine fragments and other materials that can strike the driver of the subject vehicle, or other vehicles or drivers in the vicinity.”
Because of the design defect of the engines that are installed in the Class vehicles, the owners and lessees of these vehicles have suffered economic expense for repairs on the cars, according to the Corvette class action lawsuit.
The plaintiffs argue that GM has not issued a recall so that the Class vehicles could be tested and repaired. In addition, they assert that GM has recalled the Corvettes at issue for two other, less serious defects.
The General Motors class action lawsuit argues that, even when confronted by the engine defects, the company insists that the “valve train noise” was an “inherent feature” of the engines and that they are not defective.
GM has assured the Class Members that the engines were performing as designed; however the engines continue to fail at a high rate, the plaintiffs claim.
The class action maintains that, as a result of consumer complaints about the engine, GM put into place a technique called the “wiggle method” to ascertain whether the valve guides were out of specification. However, once GM realized that this test would lead to more repairs than it wanted to perform, the “wiggle test” was unreasonably rejected, the plaintiffs state.
“In dealing with multiple complaints concerning the subject engine in the class vehicles, New GM acted, at all times, to deflect criticisms, defer investigations and repairs, and minimize the extent of the problems,” alleges the GM class action lawsuit.
The plaintiffs claim that Class Members have continued to suffer from valve train noise, out of specification valve guides and engine failures all the while GM has minimized the extent of the defect in the vehicle engines.
A similar lawsuit was filed against GM in November 2017 by vehicle owners who allege that the Corvette Z06 cars have defects that make them unsafe to drive.
Do you own a Corvette with a defective engine? Leave a message in the comments section below.
The plaintiffs are represented by David M. Honigman, Douglas L. Toering, and Kenneth Chadwell of Mantese Honigman, PC and André E. Jardini, K.L. Myles, and Michael D. Carr of Knapp Petersen & Clarke.
The General Motors Engine Defect Class Action Lawsuit is Estate of William D. Pilgrim, et al. v. General Motors LLC, et al., Case No. 2:20-cv-10562, in the U.S. District Court for the Eastern District of Michigan.
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125 thoughts onGM Class Action Says Corvette Engine Is Defective
I would like to be included in the class action law suit. I have a 2013 Corvette 427 LS7 with 7,000 miles with a catastrophic failure requiring a new crate engine at a cost to me of $22,000.
I would like to be included in the Class Action suit concerning the LS7 Engine problem. I have encountered major problems with lifters, valves, valve springs and guides on my 2013 Z06.
How do I get included in the Class Action suit?? I have had thousands of $$
in valve train, lifter, damage.
2007 Z06, 14,900 MI. Purrs like a kitten, but with this info I will be looking into getting the heads done. Add me to the list. GM sux for not addressing this known defect.
If your not familiar with this read the corvetteforum.com and countless other places. It is WELL KNOWN that LS7 engines are likely to fail due to valve guide wear. If you have one you must have the valve covers removed and the valve guides checked. Its not that expensive to check likely a few hundred dollars. If you catch it you can fix the heads for about five thousand dollars, not what you WILL have to pay if you wait. If you don’t you can eventually have a broken valve and complete engine failure. I know it happened to me, oil everywhere. $15,000 to $20,000 for a new engine, its worth the trouble people. I mean everyone don’t go by sound it doesn’t work. This is especially true for 2006-2009 cars at the very least, although even newer heads still have valve guide issues with concentricity, (machining of the valve guides). I would love to get reimbursed, all of us would. If your going to keep the car and drive it, and you can afford it, just get the heads done. Plenty of info on the web, two or three very reputable engine shops that have done thousands of these heads, yes thousands! People this is a fact not web hype, very well documented.
Purchased a new 2009 C6 Z06 in the fall of 2009. LS7 Engine valve train failure occurred in August 2019 in a remote Louisiana location southeast of New Orleans late in the evening.
This LS7 engine has still not been repaired due to a combined lack of of the estimated money required, plus not having any qualified/certified LS7 mechanics within 100+ miles. These days, tow truck services will also provide serious sticker shock.
Just bought an 06 z06. Engine stated ticking. No issues other than ticking. Please add my name to the list.
Crap! Just bought a 2007 z06 with 6k miles, scared to death to drive it now!
I have a 2009 ZO6 with oil consumption problem and the valve wiggle test it has failed it eats a lot of oil… And comes out the mufflers and leaves black specks of oil all over the back bumper I beat on the call a lot just keep adding oil don’t be scared I got 50,000 miles on it
Add me to the list.(Noisy)
2007 Z06 25K (Mint Museum Piece) No Rain- Under cover- Garaged-Weekend only!
2006 z06 dropped an exhaust valve. Head broke off the stem. Not good engines a boat anchor.. thanks gm….