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.
The remedy
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.
NHTSA's own wording · initiated by MFR
Vehicles covered
| Model | Model years |
|---|---|
| Chevrolet 4500HD | 2021, 2022 |
| Chevrolet 4500XD | 2021, 2022 |
| Chevrolet 5500HD | 2021, 2022 |
| Chevrolet 5500XD | 2021, 2022 |
| Chevrolet 6500HD | 2022 |
Components: EQUIPMENT
Model years in this recall
NHTSA complaints and the number of recall campaigns for each model year this recall covers.
| Model | Year | Complaints | Recalls |
|---|---|---|---|
| Chevrolet 4500HD | 2021 | 1 | 2 |
| Chevrolet 4500HD | 2022 | 0 | 3 |
| Chevrolet 4500XD | 2021 | 0 | 1 |
| Chevrolet 4500XD | 2022 | 0 | 1 |
| Chevrolet 5500HD | 2021 | 0 | 2 |
| Chevrolet 5500HD | 2022 | 0 | 3 |
| Chevrolet 5500XD | 2021 | 0 | 1 |
| Chevrolet 5500XD | 2022 | 0 | 1 |
| Chevrolet 6500HD | 2022 | 0 | 3 |
Other equipment recalls in 2022
182 of the 933 recall campaigns reported to NHTSA in 2022 concerned the equipment; General Motors, LLC filed 186 campaigns in all.
| 22V949000 22 Dec 2022 | REV Recreation Group |
| 22V951000 22 Dec 2022 | Kibbi, LLC |
| 22V948000 22 Dec 2022 | SHADOW TRAILER, LLC |
| 22V932000 15 Dec 2022 | Airstream, Inc. |
| 22V920000 13 Dec 2022 | Forest River, Inc. |
| 22V917000 12 Dec 2022 | Volvo Bus Corporation |
| 22V901000 7 Dec 2022 | Volkswagen Group of America, Inc. |
| 22V894000 5 Dec 2022 | OLD SCHOOL TRAILERS, LLC |
NHTSA recalls (public domain) · all recalls of 2022