Recalls For 2021 CHEVROLET 5500HD

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Recall #1 Issued: 2022 11 23 - Camp #20221123

This 2021 CHEVROLET 5500HD recall affects the EQUIPMENT Manufactured by General Motors, LLC

Description Of 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.

Conseqence Of Defect

Broken hex flange lock nuts may cause a loss of tension, leading to steering instability, and increasing the risk of a crash.

Corrective Action

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.

Additional Notes

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.

Recall #2 Issued: 2023 04 13 - Camp #20230413

This 2021 CHEVROLET 5500HD recall affects the SERVICE BRAKES, HYDRAULIC Manufactured by General Motors, LLC

Description Of 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.

Conseqence Of Defect

An electrical short in the brake pressure switch can overheat the circuit and increase the risk of a fire while driving or parked.

Corrective Action

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.

Additional Notes

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.