– Problems with General Motors’ hitch caused vehicle owners to file a lawsuit seeking class action status more than four years ago, which still hasn’t happened.
In the most recent legal actions, several plaintiffs have voluntarily dismissed their claims against GM, and some of the original attorneys who filed the proposed hitchhiker class action have left the case.
According to the GM lifter failure lawsuit, multiple components failed, including the dynamic fuel management lifters, active fuel management lifters and the valve trains.
The allegedly defective lifters are in these General Motors vehicles equipped with 5.3 liter, 6.0 liter or 6.2 liter V8 engines.
Cadillac Escalade from 2014 to present
Cadillac CTS-V 2016-2019
2014-present Chevrolet Silverado
2014-present Chevrolet Silverado 1500
2014-2019 Chevrolet Corvette
2014-2016 Chevrolet Avalanche
2014-present Chevrolet Suburban
2014-present Chevrolet Tahoe
2016-present Chevrolet Camaro
2014-present Chevrolet Camaro SS
2014-2016 Chevrolet Corvette
2014 to present GMC Sierra
2014 to present GMC Sierra 1500
GMC Yukon from 2014 to present
Yukon XL from 2014-present
Prosecutors complain that a recall for GM lifters is long overdue, but the automaker has chosen to force vehicle owners to pay for repairs.
GM’s lifters are believed to not meet proper design specifications and are made of lightweight materials. The lifters are also said to have been installed in the wrong position by General Motors. The lawsuit further alleges that GM made mistakes because engineers failed to consider the contraction and expansion of the lifters and engine blocks.
This causes a lack of clearance for the lifters, which can damage the components. And GM engineers allegedly “failed to account for the amount of increased pressure the AFM lifters are exposed to by the pressurized oil used to operate the lifters, causing them to fail prematurely.”
According to the GM lifter lawsuit, even if dealers replace the lifters and components for free, it is supposedly useless because GM’s replacement parts are just as defective as the originals.
The GM vehicles involved in the lifter failure lawsuit would require more frequent oil changes and engine cleanings because of the problems. And valve tappet oil manifold replacement is also required. All this in an effort to prevent a vehicle from shaking, heaving, hesitating and stalling.
At first, the GM hitchhiker lawsuit included nine customers, but later added more before 17 customers’ claims were sent to arbitration, with the claims stayed in court. However, several plaintiffs returned to the hitchhiker lawsuit, while several plaintiffs dismissed their claims and left the proposed class action after four years in court.
A year ago, the motion for class action certification was set for December 1, 2025, but the motion has been extended until 2026.
CarComplaints.com will update our website with the results of the class action lawsuit certification.
The GM lifter failure lawsuit was filed in the US District Court for the Eastern District of Michigan: Harrison, et al., v. General Motors LLC.
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