2021–2022 Chevrolet 4500HD, 2021–2022 Chevrolet 4500XD, 2021–2022 Chevrolet 5500HD and 2 other models Recall: Hex flange lock nuts used in the suspension and steering joints, were…
NHTSA campaign 22V874000 · Equipment · filed Nov 23, 2022 · verified Jul 30, 2026
The defect
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.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →The fix — what to do
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.
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.
Affected vehicles
Related recalls
More Chevrolet 4500HD recalls
- 2019–2023 Chevrolet 4500HD and 2 other models — Brake pressure sensor assembly may leak brake fluid into…
- 2022 Chevrolet 4500HD and 2 other models — Pressure-sensor fitting of the primary hydraulic brake line…
- 2017–2020 Chevrolet 4500HD and 11 other models — U-bolt nuts for the rear axle may not have been properly…
- 2019–2020 Chevrolet 4500HD and 8 other models — Due to a manufacturing issue, the seat belt webbing locking…
- 2019–2020 Chevrolet 4500HD and 7 other models — Lug nuts on the rear outer wheels may not have been…
Other campaigns involving Chevrolet vehicles
- 2025–2026 Chevrolet Express and 1 other model — Steering gear assembly may have a nut that was not properly…
- 2026 Chevrolet Express and 1 other model — Gear shifter may provide inaccurate gear selection feedback…
- 2018 Chevrolet Silverado 1500 and 5 other models — Left-side or right-side roof rail air bag (RRAB) inflator…
Source: NHTSA recall database, campaign 22V874000 (manufacturer number N222391080). Data last verified Jul 30, 2026.