6 recalls across 7 model years
The Chevrolet 4500HD has 6 recalls spanning 2017 through 2023, with the most serious being a brake pressure sensor on 2019-2023 models that can leak fluid into the brake pressure switch, cause an electrical short, and start a fire while the vehicle is driving or parked.
A separate brake system issue affects 2022 models, where a loose pressure-sensor fitting on the primary hydraulic brake line can leak fluid and extend stopping distances. On 2021-2022 vehicles, hex flange lock nuts used in the suspension and steering joints can break and lose tension, leading to steering instability.
Going back to the 2017-2020 range, rear axle U-bolt nuts may not have been properly tightened and can loosen over time, allowing the axle to shift out of alignment. When that happens, the driveshaft can separate and the vehicle can stall unexpectedly. On 2019-2020 models, rear outer wheel lug nuts may also have been under-tightened at the factory, allowing a wheel to work loose and separate from the vehicle. The 2019-2020 model years also have a recall covering front seatbelts equipped with a dual-mode locking mechanism that may not properly restrain an occupant in a crash.
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Top 5 of 5 categories across CHEVROLET 4500HD
| Component | Recalls | Share | Critical | High | Medium | Low | Informational |
|---|---|---|---|---|---|---|---|
| Brakes | 2 | 33% | 2 | 0 | 0 | 0 | 0 |
| Tires & Wheels | 1 | 17% | 1 | 0 | 0 | 0 | 0 |
| Seat Belts | 1 | 17% | 0 | 1 | 0 | 0 | 0 |
| Suspension | 1 | 17% | 1 | 0 | 0 | 0 | 0 |
| Other | 1 | 17% | 1 | 0 | 0 | 0 | 0 |
Component categories are grouped from raw recall data and may not match manufacturer terminology exactly.