The problem
General Motors, LLC (GM) is recalling certain 2021-2022 Chevrolet 4500HD/5500HD/6500HD vehicles. The hex flange lock nuts used in the suspension and steering joints, were improperly heat treated and may break.
The risk
Broken hex flange lock nuts may cause a loss of tension, leading to steering instability, and increasing the risk of a crash.
The fix
Dealers will replace the hex flange lock nuts as necessary, free of charge. Interim owner notification letters informing owners of the safety risk were mailed December 27, 2022. Owner notification letters were mailed February 10, 2023. Owners may contact Chevrolet customer service at 1-800-222-1020. GM's number for this recall is N222391080.
Recall details
| NHTSA campaign | 22V-874 (22V874000) |
|---|---|
| Manufacturer number | N222391080 |
| Manufacturer | General Motors, LLC |
| Component | Equipment |
| Report date | November 23, 2022 |
| Owners notified | February 10, 2023 |
| Vehicles affected | 5,861 |
| Initiated by | Manufacturer |
Vehicles covered
- 2021 Chevrolet 4500HD
- 2022 Chevrolet 4500HD
- 2021 Chevrolet 5500HD
- 2022 Chevrolet 5500HD
- 2022 Chevrolet 6500HD
Plus 4 other model/year combinations not covered on this site.
Frequently asked questions
Is the recall 22V-874 repair free?
Yes. Chevrolet dealers will fix the problem at no cost: Dealers will replace the hex flange lock nuts as necessary, free of charge. Interim owner notification letters informing owners of the safety risk were mailed December 27, 2022. Owner notification letters were mailed February 10, 2023.
How do I know if my car is included?
Not every vehicle of the listed model years is affected — the recall covers 5,861 vehicles built in a certain window. Check your 17-character VIN with our VIN recall check or at nhtsa.gov/recalls.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.