Hampton v. General Motors LLC - Oklahoma GM Engine Litigation
Pro rata share of $24,833,000 settlement
This settlement is closed to new claims — the deadline was September 15, 2025. You can still see what it was about and follow the case in court below. Looking for money you can still claim? Browse open settlements →
What happened
General Motors sold 2011-2014 Chevrolet and GMC vehicles equipped with LC9 5.3 Liter V8 engines that allegedly contain a defective piston assembly causing excessive engine wear, oil consumption, spark plug fouling, rough idling, and potential engine damage. GM denies any wrongdoing but has agreed to settle the case.
Do you qualify?
Current owners or lessees as of September 26, 2024 of 2011-2014 Chevrolet Avalanche, Silverado, Suburban, or Tahoe, or 2011-2014 GMC Sierra, Yukon, or Yukon XL vehicles equipped with LC9 engines manufactured on or after February 10, 2011, that were purchased or leased in Oklahoma. Vehicles that already received upgraded piston rings under warranty are excluded.
How to file
If you received a Class Member Identification Notice, complete the identification form by September 15, 2025. If you did not receive such a notice, you automatically receive a pro rata share of the settlement by doing nothing. Payments are being distributed via check or direct deposit based on W-9 submission; allow up to 14 days for delivery. Contact info@OklahomaGMEngineLitigation.com with questions.
New to class actions?
This summary was generated from public settlement documents and may contain errors. Confirm eligibility, deadlines, and payment terms on the official settlement website before filing. ClaimWatch is not a law firm and this is not legal advice. Filing a claim is free.
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