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General Motors World Headquarters in Renaissance Center, Downtown Detroit
(Photo Credit: Linda Parton/Shutterstock)

General Motors Fuel Management Lifter Class Action Lawsuit Overview:

  • Who: Owners of certain GM vehicles are suing General Motors LLC.
  • Why: The drivers say their cars were fitted with defective fuel management lifters, breaching federal warranty laws and putting them in danger.
  • Where: The lawsuit was filed in Michigan federal court.

General Motors knowingly sold vehicles with engines containing a dangerous fault in the fuel management lifter, putting drivers in danger, a new class action lawsuit alleges. 

Plaintiffs Danny Harrison, Christopher McClave, Melissa Luster, Leon Jordan, Daniel Demarest, Mark Hayford, Ronald and Marilyn Jett, and Rebecca Prosser filed the class action lawsuit against General Motors LLC Dec. 15 in a Michigan federal court, alleging the auto giant omitted material facts about faults in its cars. 

The plaintiffs are looking to represent anyone who purchased or leased any 2014 to 2021 Buick, Cadillac, Chevrolet and GMC vehicle equipped with a 5.3L, 6.0L or 6.2L V8 engine.

GM made and sold these vehicles without disclosing that their Active Fuel Management lifters (AFM Lifters) were defective in design, the plaintiffs say. 

“The Valve Train Defect can leave drivers and passengers in dangerous situations,” they say in the lawsuit. “For example, stalling, losing power while driving and hesitation, especially when trying to merge, increase the risk of a traffic collision.” 

If the issue is unremedied for too long, the entire engine can be damaged, necessitating an expensive full engine replacement, the lawsuit alleges. 

Plaintiff Claims The Lifter For the No. 3 Cylinder in His GMC Sierra Collapsed

Plaintiff Harrison says he bought a new 2021 GMC Sierra 1500 on Feb. 9, 2021. However, five months later, he was driving his vehicle on a 20-mile-long bridge located 250 miles from his home when the vehicle began to sputter, spit, vibrate, misfire and lose power. 

“Plaintiff Harrison was only narrowly able to get the vehicle off the bridge, where he called his local GM authorized dealership, Tameron Buick GMC, for assistance.The lifter for the No. 3 cylinder had collapsed,” the lawsuit says.

It says that when the Valve Train Defect manifests during the warranty period, GM authorizes its dealerships to merely replace the parts that have failed with the same defective versions. 

“As a result, the Valve Train Defect manifests again, often outside the warranty period,” according to the lawsuit.

The plaintiffs are suing for breach of warranty and violation of state consumer laws. They’re seeking certification of the class action lawsuit, damages, fees, costs, interest and a jury trial. 

For the latest General Motors class action lawsuit updates, potential lawsuit settlement amounts and more, click here

What do you think of the allegations against GM? Let us know in the comments. 

The plaintiffs are represented by E. Powell Miller, Sharon S. Almonrode and Dennis A. Lienhardt of The Miller Law Firm, P.C. 

The General Motors Engine Class Action Lawsuit is Danny Harrison et al., v. General Motors LLC, Case No. 2:21-cv-12927-LJM-APP, in the U.S. District Court for the Eastern District of Michigan. 


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515 thoughts onGM Class Action Alleges Company Knowingly Sold Vehicles With Dangerously Faulty Fuel Management Lifters

  1. Margaret Mccoy says:

    My 2019 Chevy trax is been stalling at 10 mph when driving it’s very dangerous I have another car so I haven’t been driving it’s 175.00 to look at also have to tow to the dealer I had a letter mail to me about join the firm to help me but I can’t find it at all I need help I will tow to shop next week as soon as possible

  2. Victoria Holmes says:

    2019 Tahoe, transmission replaced at 153k miles, now have a lifter issue, told $5300 to fix

  3. WILLIAM R ELLISON says:

    2015 Chevy Tahoe 187,184 miles on my the odometer. Over the last 3 years we have changed the spark plugs 3 times, a faulty fuel line, all coil packs, random loss of power, random p0300 code, no fixes from any shop. I had a 2012 suburban that go over 200k and a 2003 tahoe with 250k miles be for traded for the 2012 and than moving to the tahoe. worse GM vehicle I have ever owed, my 77 camaro and 86 Blazer was more reliable and less issues… GM is more like Garbage Motors…..

    1. Jay Beckwith says:

      Our 2016 chevy silverado had Catastrophic failure and we are now Having to replace the engine and out almost $10000. Because of this issue, we wish we would have known about this because we would love to join this lawsuit. Because this is junk and Chevy isn’t giving us any assistance even though this is unknown failure.

  4. John Schramm says:

    My 2020 gmc sierra w/ 73500 miles has been in the shop for 3 weeks w/ bad lifters. Bill Cramer Chevy couldn’t get my truck in for over two weeks and told me that my warranty was expired.

    It will be the last GMC I ever own

  5. C Carroll says:

    In the middle of replacing lifters on 2017 GMC Yukon with approx 70,000 miles. This has been a true nightmare. Vehicle has been at a GMC dealer for 3 months and the cost to repair is $6,500. Hard to believe GMC does not have a recall on this – Never – Ever will I own another GMC vehicle – Nothing but trouble :-(

  6. Pete Costanza says:

    I live in Michigan and am experiencing the same issues. (Already had to replace the Tranny at 85,000 miles)!!!! Is there a way to join the class action? Apparently three states have already won theirs.

  7. Thomas Siler says:

    my 2016 silverado is having issues, goes into to repair the lifters on oct 1 . exact same issues as everyone is talking about.

  8. ROBERT S LAWSON Jr says:

    I have a 2014 GMC Sierra 1500 SLT 4×4. I just had the lifter collapse on cylinder 1 of my 5.3 liter engine.

  9. Danny Stone says:

    2014 Silverado number 4 cylinder failed . 107,000 miles never missed a service. $ 8,900 new engine. Is there a class action suit open.

  10. Rex Halliday says:

    I live in Canada and I own a 2017 Chev Silverado with a lifter issue – the engine is a 5.3. Is there a class action lawsuit filed for Canadian residents ?

    1. Carol Ann Boudreault says:

      Hi
      I have the same problem, in Canada just cost me 9000k for lifters and camshaft on my 2018 Silverado. Would love to if there is a lawsuit here in Canada

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