2021 Chevrolet 4500HD Problems, Complaints & Recalls
- Compared with other 4500HD years
- Not enough data 1st of 7 for complaints
- Safety recalls
- 2 recalls: check your VIN
- NHTSA crash rating
- Not rated
Owners have filed 1 complaint with NHTSA about the 2021 Chevrolet 4500HD. That is the most of any 4500HD model year in the database (7 years). The most reported problem area is engine (1 complaints, 100%), typically at around 37,632 miles. Complaints mention 1 fire. There are 2 safety recalls covering this model year.
- 1owner complaints
- 2safety recalls
- 0NHTSA investigations
- 0complaints mentioning a crash
Complaints are unverified owner reports and are not adjusted for sales volume.
Most common 2021 Chevrolet 4500HD problems
Complaints grouped by the part of the car owners reported, with the median mileage when the problem happened.
| Problem area | Complaints | Share | Median miles | Owners mention most | Typical repair cost |
|---|---|---|---|---|---|
| Engine | 1 | 100% | 37,632 | — | — |
One complaint can list several problem areas, so shares can add up to more than 100%.
2021 Chevrolet 4500HD recalls (2)
Tap a recall to see the problem, the risk and the fix.
Service brakes, hydraulicPark outside
Problem: 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.
Risk: An electrical short in the brake pressure switch can overheat the circuit and increase the risk of a fire while driving or parked.
Fix: 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.
Equipment
Problem: 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.
Risk: Broken hex flange lock nuts may cause a loss of tension, leading to steering instability, and increasing the risk of a crash.
Fix: 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.
To see whether a specific car still has an open recall, enter its VIN on NHTSA's official recall lookup. You can also decode a VIN here.
Recent owner reports
Short excerpts of the latest complaints filed with NHTSA, with personal details removed. Full reports can be searched on NHTSA.gov.
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…
Other Chevrolet 4500HD years
| Year | Complaints | Recalls |
|---|---|---|
| 2023 4500HD | 0 | 1 |
| 2022 4500HD | 0 | 3 |
| 2021 | 1 | 2 |
| 2020 4500HD | 0 | 4 |
| 2019 4500HD | 0 | 4 |
| 2018 4500HD | 0 | 1 |
| 2017 4500HD | 0 | 1 |
See all Chevrolet 4500HD problems by year, every Chevrolet model, or the Chevrolet VIN decoder.
Similar Chevrolet models
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Frequently asked questions
What are the most common problems with the 2021 Chevrolet 4500HD?
Owners most often report engine problems. The top one, engine, accounts for 1 complaint.
Was there a recall on the 2021 Chevrolet 4500HD?
Yes, 2 safety recalls. Enter your VIN at NHTSA.gov to check whether the repairs were done on your car.
Was the 2021 Chevrolet 4500HD a good year?
Complaint data can't fully answer that, because counts aren't adjusted for sales. Compared with other 4500HD model years, the 2021 has too little data to compare. Always get a pre-purchase inspection and check the VIN for open recalls.