Chevrolet 4500XD recalls by model year

Reported: 2021-03-19 (March 19, 2021) · Model years: 2017, 2018, 2019, 2020

Isuzu Technical Center of America, Inc. (Isuzu) is recalling certain 2015-2017 Isuzu NPR, Reach, 2016-2020 Isuzu NPR XD, NPR HD, NQR, 2016-2021 Isuzu NRR, 2017-2020 Chevrolet 4500XD, 4500HD, 5500HD, and 2020 Chevrolet 5500XD vehicles. The U-bolt nuts for the rear axle may not have been properly tightened and may loosen, causing the axle to misalign.

Consequence: The misalignment may cause the propeller shaft to separate, causing a loss of power to the rear wheels and a stall, increasing the risk of a crash.

Remedy: Isuzu will notify owners, and dealers will inspect and, if needed, replace and tighten the rear axle U-bolt nuts, free of charge. The recall began on April 23, 2021. Owners may contact Isuzu customer service at 1-866-441-9638. Isuzu's number for this recall is V2103.

Reported: 2019-11-20 (November 20, 2019) · Model years: 2020

Isuzu Technical Center of America, Inc. (Isuzu) is recalling certain 2017-2020 NPR-HD, 2019-2020 NPR-XD, NQR, NRR, Chevrolet 4500HD, Chevrolet 5500HD and Chevrolet 5500XD, and 2020 Chevrolet 4500XD vehicles. The lug nuts on the rear outer wheels may not have been properly tightened when installed onto the rear axles.

Consequence: If the lug nuts were not properly tightened, they can loosen, causing the to wheel separate from the vehicle, increasing the risk of a crash.

Remedy: Isuzu will notify owners, and dealers will inspect the rear outer wheel lug nuts and tightening or replacing them as necessary, free of charge. The recall began December 20, 2019. Owners may contact Isuzu customer service at 1-866-441-9638 or Chevrolet customer service at 1-800-222-1020. Isuzu's number for this recall is V1906.

Reported: 2020-01-17 (January 17, 2020) · Model years: 2020

Isuzu Technical Center of America, Inc. (Isuzu) is recalling certain 2020 Isuzu NPR HD, NPR XD, NQR and NRR and Chevrolet 4500HD, 4500XD, 5500HD and 5500XD and 2019 Isuzu NPR HD GAS, NPR GAS and Chevrolet 4500 and Chevrolet 3500 vehicles equipped with a dual mode belt locking mechanism seat belt assembly. Due to a manufacturing issue, the seat belt webbing locking mechanism may not properly restrain the occupant as intended.

Consequence: In the event of a crash, if the occupant is not properly restrained, there is an increased risk of injury.

Remedy: Isuzu will notify owners, and dealers will inspect and replace the seat belt assembly, as necessary, free of charge. The recall began February 20, 2020. Owners may contact Isuzu customer service at 1-866-441-9638 or Chevrolet customer service at 1-800-222-1020. Isuzu's number for this recall is V2001.

Reported: 2022-11-23 (November 23, 2022) · Model years: 2021, 2022

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.