Recall 21V612 covers 9,597 2021-2022 Chevrolet Equinox, Terrain Na, and Terrain vehicles for tire tread separation. Repair is free at franchised Chevrolet dealers.
Chevrolet recall 21V612 covers 9,597 2021-2022 Equinox and GMC Terrain vehicles equipped with certain Hankook tires that were manufactured with too little curative agent. The defect can lead to tread separation, loss of vehicle control, and a higher crash risk; the dealer repair is free.
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What's wrong?
The tire tread is the outer rubber surface that contacts the road on 2021-2022 Equinox, Terrain Na, and Terrain vehicles in this Chevrolet recall. Under that tread, the belt package helps the tire hold its shape and stay stable as the vehicle rolls. The tire depends on the tread and belt staying bonded together under heat, load, and road force.
The affected Hankook tires were made with too little curative agent, the chemical that helps the rubber cure into its intended strength. Because the rubber did not cure correctly, the tread layer can delaminate from the tire body. That separation starts inside the tire structure, then works outward as the tire heats and flexes during driving.
Drivers can hear a new noise or feel vibration while driving before the tread separates. A bulge in the tread is another warning sign, and the vehicle should be inspected before it is driven farther.
Who's affected?
The listed scope combines Equinox, Terrain Na, and Terrain under the same tire part, with separate tire and tread/belt component labels.
| 2021 Chevrolet Equinox | tire |
|---|---|
| 2021 Chevrolet Equinox | tire |
| 2022 GMC Terrain Na | tire |
| 2022 GMC Terrain Na | tire |
| 2022 Chevrolet Equinox | tire |
| 2022 Chevrolet Equinox | tire |
| 2021 GMC Terrain | tire |
| 2021 GMC Terrain | tire |
| Units affected | 9,597 |
| Field incidents | NHTSA has logged no field incidents to date. |
A matching year and model does not guarantee inclusion. Check your VIN to confirm whether this recall applies to your specific SUV.
What's the safety risk?
Tread separation can cause loss of vehicle control and increase the risk of a crash. Noise, vibration, or a visible bulge in the tread is a reason to slow down, avoid highway speeds, and arrange service soon. Repair is free at any franchised Chevrolet dealer.
What should I do?
- Check your VIN to confirm your 2021-2022 Chevrolet Equinox, Terrain Na, or Terrain is included in this recall.
- Contact a franchised Chevrolet dealer to schedule the free tire DOT-number inspection.
- Replace any affected Hankook tires through the dealer; the inspection finds tires with the tread-separation defect and the dealer replaces them free of charge.
- Bring the recall notice if Chevrolet has mailed one. If not, reference recall number 21V612 when you call.
- Drive cautiously until the tire inspection or replacement is complete. Leave extra following distance and avoid highway speeds when practical.
What happens at the repair
At the dealer, a Chevrolet technician inspects the DOT number and barcode information on each tire. Any tire from the affected DOT number 0521 is replaced free of charge under the recall. The inspection and covered tire replacement are free. If you already paid to replace an affected tire, use the owner letter instructions to apply directly to Hankook for reimbursement.
| Reimbursement | Reimbursement available |
|---|
Timeline
| August 5, 2021 | NHTSA published the recall |
|---|---|
| August 5, 2021 | Dealer notification began |
| August 5, 2021 | Dealer notification ended |
| August 31, 2021 | Owner notification mailed |
| September 20, 2021 | Interim owner notification (was planned for this date) |
Frequently asked questions
What is recall 21V612?
Recall 21V612 covers 9,597 2021-2022 Chevrolet Equinox, GMC Terrain Na, and GMC Terrain vehicles equipped with certain Hankook tires. The tires were built with too little curative agent, which can lead to tread separation and loss of vehicle control.
What should I do if my 2021-2022 Chevrolet Equinox, GMC Terrain Na, or GMC Terrain is on this recall?
Check your VIN to confirm your specific vehicle is included in recall 21V612. If it is, contact a franchised Chevrolet or GMC dealer and ask for the tire DOT inspection. The dealer will replace affected tires for free.
Is the recall repair free?
Yes. Federal recall law requires the manufacturer to repair the defect at no cost to owners. For recall 21V612, dealers inspect the tire DOT numbers and replace any affected Hankook tires free of charge.
What is the safety risk?
The safety risk is tire tread separation. If the tread separates while driving, the driver can lose vehicle control, increasing crash risk. Recall 21V612 addresses that risk by requiring dealers to inspect the tire DOT numbers and replace affected tires for free.
When were owners notified about recall 21V612?
Owner notification letters were mailed on August 31, 2021. If you bought the vehicle used or never received a letter, check your VIN to confirm whether your specific Equinox, Terrain Na, or Terrain is included before calling the dealer.
More information
| NHTSA campaign page | nhtsa.gov/vehicle-recalls/21V612000 |
|---|---|
| Chevrolet customer service | 1-800-462-8782 |
| NHTSA recall # | 21V612 |
| NHTSA recall # (full) | 21V612000 |
Source documents
-
Download Recall Document (PDF) (PDF) - Download Quarterly Report (PDF)
- Download Misc. Document (PDF)
- Download Recall Document (PDF) (PDF)
- Download Owner Notification Letter (PDF)
- Download Owner Notice (PDF)
- Download Recall Report (PDF)
- Download Recall Acknowledgement (PDF)
This article is generated from NHTSA's primary recall filings and reviewed against the source on May 20, 2026. RecallNotify does not paraphrase NHTSA's consequence language; that text is reproduced as written above. Editorial standards →