NHTSA Safety Recalls
2021 Chevrolet 4500hd Recalls
The 2021 Chevrolet 4500hd has 2 NHTSA safety recalls on file. Recall repairs are always free, whatever the car's age or mileage.
A recall covers a range of VINs, not every Chevrolet 4500hd built. Check your own 17-character VIN before assuming yours is affected.
2 recalls on the 2021 Chevrolet 4500hd
EQUIPMENT
NHTSA 22V874000- 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 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.
SERVICE BRAKES, HYDRAULIC
NHTSA 23V266000- The defect
- General Motors. LLC (GM) is recalling certain 2019-2023 Chevrolet 4500HD, 5500HD, and 6500HD Medium-Duty trucks. The brake pressure sensor assembly may leak brake fluid into the brake pressure switch and cause an electrical short-circuit.
- The risk
- An electrical short in the brake pressure switch can overheat the circuit and increase the risk of a fire while driving or parked.
- The fix
- Owners are advised to park outside and away from structures until the recall repair is complete. Dealers will replace the master cylinder pressure sensor and inspect the wire harness, replacing it, if necessary, free of charge. Owner notification letters were mailed July 11, 2023. Owners may contact Chevrolet customer service at 1-800-222-1020. GM's number for this recall is N222375270.
Checking your own car
A recall applies to a range of VINs, not to every 2021 Chevrolet 4500hd built. To confirm whether yours is affected, find the 17-character VIN on the driver-side dashboard or door jamb and enter it in NHTSA's official lookup.
Repairs for safety recalls are free and never expire. A dealer cannot charge you, and cannot refuse on the grounds that the car is old or out of warranty. If one does, call the NHTSA hotline on 1-888-327-4236.