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NHTSA recalls, safety ratings, and consumer complaints for the 2021 Chevrolet 4500Hd.
NHTSA has not published 5-star crash-test ratings for the 2021 Chevrolet 4500Hd. New vehicles are often added to the NCAP rating program after initial release; check nhtsa.gov/ratings for the latest status.
Component: EQUIPMENT
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.
Consequence: Broken hex flange lock nuts may cause a loss of tension, leading to steering instability, and increasing the risk of a crash.
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.
Component: SERVICE BRAKES, HYDRAULIC
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.
Consequence: An electrical short in the brake pressure switch can overheat the circuit and increase the risk of a fire while driving or parked.
Remedy: 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.
The contact owned a 2021 Chevrolet Silverado 4500HD. The contact stated while the vehicle was parked, the contact noticed that the front end of the vehicle under the hood was in flames. The fire department was able to extinguish the fire. No police report was filed. No one was injured. The vehicle was towed to the salvage lot. The vehicle was not diagnosed. The manufacturer was not contacted. The failure mileage was 37,632.
The 2021 Chevrolet 4500Hd has 2 NHTSA recalls and 1 consumer complaint on file. For the most detailed information about a specific vehicle, decode its VIN using our free decoder above.
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