Chevrolet 4500HD Recalls & Complaints by Model Year
NHTSA lists 6 safety recalls and 1 owner complaint across 7 model years of the Chevrolet 4500HD (2017–2023). The most-complained-about year is 2021.
Pick your Chevrolet 4500HD model year
| Model year | Recalls | Complaints |
|---|---|---|
| 2023 Chevrolet 4500HD | 1 | 0 |
| 2022 Chevrolet 4500HD | 3 | 0 |
| 2021 Chevrolet 4500HD | 2 | 1 |
| 2020 Chevrolet 4500HD | 4 | 0 |
| 2019 Chevrolet 4500HD | 4 | 0 |
| 2018 Chevrolet 4500HD | 1 | 0 |
| 2017 Chevrolet 4500HD | 1 | 0 |
What Chevrolet 4500HD owners complain about
Across all model years, owners have filed 1 complaint with NHTSA. The 2021 model year has the most, with 1.
All Chevrolet 4500HD recalls (6)
Every NHTSA safety campaign that lists a Chevrolet 4500HD, most recent first, with the model years each one covers.
-
Service brakes, hydraulic Park outside
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.
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…
-
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.
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…
-
Parking brake and electrical (parking brake)
General Motors, LLC (GM) is recalling certain 2022 4500HD, 5500HD, and 6500HD vehicles. The pressure-sensor fitting of the primary hydraulic brake line assembly may not be tightened correctly, which could result in a brake fluid leak.
Remedy: Dealers will tighten the brake pressure switch, bleed the brake system, and top-off the brake fluid, free of charge. Owner notification letters were mailed June 23, 2022. Owners may contact Chevrolet customer service…
Model years: 2022
-
U-bolt, leaf spring to axle (suspension)
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…
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…
-
Webbing (seat belts)
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,…
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…
-
Lugs/nuts/bolts/studs (wheels)
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.
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…
Other Chevrolet models
- Malibu19,364 complaints
- Silverado 150018,029 complaints
- Impala10,434 complaints
- Tahoe10,032 complaints
- Equinox9,161 complaints
- Silverado8,799 complaints
- Blazer8,192 complaints
- Suburban8,164 complaints
Source: NHTSA recall and complaint databases and EPA fuel economy data, October 2026. Complaint counts are owner reports to NHTSA, not verified defects. Recall counts are safety campaigns that list this model year; whether a particular car was already repaired depends on its VIN. How this data is compiled.