SettlementJanuary 15, 20248 min read

Understanding the Kia and Hyundai Engine Settlement

A comprehensive guide to the Theta II engine settlement covering over 4 million vehicles. Learn about your rights, coverage details, and how to claim your benefits under this landmark class action settlement.

Understanding the Kia and Hyundai Engine Settlement
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Carl's Garage Team
Expert Automotive Guides

Understanding the Kia and Hyundai Engine Settlement

The Kia and Hyundai Theta II engine settlement is one of the largest automotive class action settlements in recent history, affecting over 4 million vehicles. If you own a Kia or Hyundai with a Theta II engine manufactured between 2011 and 2019, this settlement could entitle you to significant benefits including free engine replacement, warranty extensions, and reimbursement for past repairs.

What is the Theta II Settlement?

In December 2020, Kia and Hyundai reached a settlement agreement in the case In re: Hyundai and Kia Engine Litigation II (Case No. 8:18-cv-02223-JLS-JDE) filed in the U.S. District Court for the Central District of California. The settlement addresses widespread engine failures in vehicles equipped with 2.0L and 2.4L Theta II GDI engines.

Key Settlement Benefits

The settlement provides three major benefits to affected vehicle owners:

1. Lifetime Warranty Extension

Eligible vehicles receive a lifetime warranty covering:

  • Engine block and internal parts
  • Piston assemblies
  • Connecting rods and bearings
  • Crankshaft
  • No mileage limit

This warranty applies regardless of whether you're the original owner or purchased the vehicle used.

2. Free Engine Replacement

If your engine fails due to internal defects, you're entitled to:

  • Complete engine replacement at no cost
  • No deductible required
  • Includes all labor and parts
  • Covers towing to the dealership

3. Reimbursement for Past Repairs

If you paid out-of-pocket for engine repairs related to the defect, you can claim reimbursement for:

  • Engine replacement costs
  • Diagnostic fees
  • Rental car expenses during repairs
  • Towing charges

Which Vehicles Are Covered?

The settlement covers specific Kia and Hyundai models equipped with 2.0L or 2.4L Theta II GDI engines manufactured between 2011 and 2019.

Covered Hyundai Models

  • Sonata (2011-2019)
  • Santa Fe (2013-2019, 2.0T and 2.4L)
  • Santa Fe Sport (2013-2018)
  • Tucson (2016-2019, 2.0L)

Covered Kia Models

  • Optima (2011-2019)
  • Sorento (2011-2019, 2.0T and 2.4L)
  • Sportage (2011-2019)
  • Forte (2019, 2.0L)

Not all model years and trims are covered. Use our KSDS Checker [blocked] to verify if your specific vehicle is eligible.

Common Engine Failure Symptoms

Theta II engine failures typically present with these warning signs:

  • Knocking or ticking sounds from the engine
  • Metal shavings in the oil
  • Excessive oil consumption (more than 1 quart per 1,000 miles)
  • Engine seizing or sudden loss of power
  • Check engine light with bearing-related codes
  • Smoke from the exhaust

If you experience any of these symptoms, document them immediately and contact your dealer for inspection.

The KSDS Software Update Requirement

One of the most misunderstood aspects of the settlement is the Knock Sensor Detection System (KSDS) software update requirement.

Important KSDS Facts

KSDS is NOT required for all claims. Here's what you need to know:

  1. If your engine failed BEFORE November 4, 2023: KSDS installation is NOT required for coverage

  2. If your engine failed AFTER November 4, 2023: KSDS must have been installed BY November 4, 2023

  3. Hyundai's own internal policy (revised April 15, 2022) states that KSDS is NOT a prerequisite for bearing-related failures showing abnormal noise or no-crank/no-start conditions

Many dealers incorrectly deny claims citing lack of KSDS installation. If this happens to you, cite the Dealer Best Practice document (Service Campaign T3G & Warranty Extensions TXXC/TXXI, revised April 15, 2022) which explicitly removed this requirement.

How to File a Claim

Follow these steps to claim your settlement benefits:

Step 1: Verify Eligibility

Use our Engine Eligibility Report [blocked] tool to confirm your vehicle is covered by the settlement.

Step 2: Document the Problem

  • Take photos/videos of engine issues
  • Record any unusual sounds
  • Keep all maintenance records
  • Save repair estimates and invoices

Step 3: Visit Your Dealer

Contact your local Kia or Hyundai dealership and request:

  • Engine inspection under the settlement warranty
  • Prior Approval (PA) submission to the manufacturer

Step 4: Get It in Writing

Request written documentation of:

  • The inspection results
  • The PA case number
  • Any denial reasons (if applicable)

Step 5: Challenge Denials

If your claim is denied, use our Response Generator [blocked] to create a professional rebuttal citing settlement terms and federal warranty law.

Federal Warranty Law Protection

Beyond the settlement, you're also protected by the Magnuson-Moss Warranty Act (15 U.S.C. § 2301), which:

  • Prohibits manufacturers from voiding warranties due to aftermarket parts or independent repairs
  • Requires clear disclosure of warranty terms
  • Provides legal remedies for warranty violations
  • Allows recovery of attorney fees in successful claims

Common Dealer Denial Tactics

Be aware of these common (and often incorrect) reasons dealers use to deny claims:

❌ "KSDS wasn't installed before the failure"

Counter: The settlement doesn't require KSDS installation for failures before November 4, 2023. Even after that date, Hyundai's Best Practice removed KSDS as a prerequisite for bearing failures.

❌ "You didn't maintain the vehicle properly"

Counter: Under Magnuson-Moss, the burden is on the manufacturer to prove that lack of maintenance caused the failure. Regular oil changes satisfy maintenance requirements.

❌ "The warranty expired"

Counter: The settlement provides a LIFETIME warranty with NO mileage limit for covered engine components.

❌ "You're not the original owner"

Counter: The settlement warranty transfers to subsequent owners. Ownership status is irrelevant.

Settlement Timeline

Understanding the settlement timeline helps you know your rights:

  • 2015-2017: Initial reports of engine failures emerge
  • 2018: Class action lawsuit filed (Case 8:18-cv-02223-JLS-JDE)
  • December 2020: Settlement agreement reached
  • May 2021: Final approval granted
  • November 4, 2023: KSDS installation deadline
  • Ongoing: Claims continue to be processed

There is no deadline to file a claim under the settlement. As long as you own a covered vehicle, you can claim benefits.

Getting Help with Your Claim

If you're facing a warranty denial or need help navigating the settlement process, Carl's Garage provides free tools to assist you:

  • Response Generator [blocked]: Create professional responses to dealer denials
  • KSDS Checker [blocked]: Verify your vehicle's recall status and KSDS installation
  • Sample Responses [blocked]: Review successful claim letters
  • Chat Assistant [blocked]: Get instant answers to your questions

Conclusion

The Kia and Hyundai Theta II engine settlement provides significant protections for millions of vehicle owners. Understanding your rights under the settlement—and knowing how to counter common dealer denial tactics—is essential to getting the coverage you deserve.

Don't let dealers intimidate you with false requirements or misleading information. The settlement terms are clear, and federal warranty law is on your side.


Sources:

[1] In re: Hyundai and Kia Engine Litigation II, Case No. 8:18-cv-02223-JLS-JDE, U.S. District Court, Central District of California
[2] Magnuson-Moss Warranty Act, 15 U.S.C. § 2301 et seq.
[3] Hyundai Motor America, "Service Campaign T3G & Warranty Extensions TXXC/TXXI – Dealer Best Practice," Revised April 15, 2022
[4] NHTSA Safety Recall Campaigns 20V750 (Hyundai) and 21V844 (Kia)

This article provides information based on publicly available settlement documents and federal warranty law. It does not constitute legal advice. For specific legal guidance, consult a qualified attorney.

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SettlementTheta IIWarrantyClass Action

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