Chevrolet 4500HD complaints by model year
2020 Chevrolet 4500HD recalls (4)
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.
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…
Suspension › Rear › Springs › Leaf spring assembly › U-bolt, leaf spring to axle
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.
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.
Seat belts › Front › Webbing
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.
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.
Wheels › Lugs/nuts/bolts/studs
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.
Frequently asked questions
How many recalls does the 2020 Chevrolet 4500HD have?
There are 4 recalls for the 2020 Chevrolet 4500HD, the most recent from April 13, 2023 (service brakes, hydraulic). Recall repairs are free at any authorized dealer — check whether yours has been done with the VIN recall check.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.