US vehicle recalls and complaint patterns, explained
Chevrolet 4500HD recall history
Comprehensive recall and complaint data for the Chevrolet 4500HD,
sourced from official National Highway Traffic Safety Administration (NHTSA) records.
Stats focus on model years from 1960 onwards.
Earlier years appear in the detailed table below where data exists.
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Get plain-language explanations of recalls and complaints for the
Chevrolet 4500HD. Powered by AI, backed by NHTSA data.
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Important: This assistant provides context from aggregated NHTSA data.
Always check your specific VIN on
NHTSA.gov
for vehicle-specific recall information.
Key Takeaways
A quick scan of where recalls and complaints concentrate for the Chevrolet 4500HD,
based on aggregated NHTSA counts and campaign metadata.
Coverage spans model years 2017–2023 with 16 recall campaigns and 1 complaints in NHTSA data.
Years with the most recall activity: 2020 (4), 2019 (4), and 2022 (3).
Years with the most complaint volume: 2021 (1).
Top recall themes: Brakes, Equipment and labeling, and Other.
Most reported complaint areas (across all years): Engine.
Complaints are not proof of a defect, but repeated themes can be useful signals when researching a used vehicle.
Always check your specific VIN for open recalls (open recalls are VIN-specific and can change over time).
Recall Themes
Instead of listing long campaign narratives, this groups recall campaigns into a few recurring areas.
Each theme links back to official notices as evidence.
Brakes
2 campaigns · Years: 2019–2023
These campaigns relate to braking system components that can affect stopping performance or warning behavior.
These campaigns relate to steering or suspension components that can affect vehicle control or stability.
Official notices (evidence):
21V194000
· Suspension: U-bolt, leaf spring to axle
Most Reported Issues
Across all model years, the most frequently reported areas for the
Chevrolet 4500HD in NHTSA complaint data are
Engine.
Jump to Model Year
Year-by-Year Overview
Each row shows how often this model appears in NHTSA recalls and consumer
complaints for a given model year. These are counts of campaigns and
complaints, not risk predictions.
Model Year
Recalls
Complaints
Details
2023
1
0
Recall campaign(s) issued; no grouped complaints in summary.
2022
3
0
Recall campaign(s) issued; no grouped complaints in summary.
2021
2
1
Both recalls and complaints recorded.
Top complaint areas: Engine.
2020
4
0
Recall campaign(s) issued; no grouped complaints in summary.
2019
4
0
Recall campaign(s) issued; no grouped complaints in summary.
2018
1
0
Recall campaign(s) issued; no grouped complaints in summary.
2017
1
0
Recall campaign(s) issued; no grouped complaints in summary.
What to Do Next
Check open recalls by VIN on the official NHTSA site (open recalls are VIN-specific).
If buying used, ask for proof of recall remedy completion (dealer paperwork helps).
If symptoms match common complaint themes, consider a mechanic inspection before purchase or long trips.
A compact evidence view of recall campaigns that include this model.
The default text is an original summary line, with official notice text available on demand.
Most common areas involved:
Service brakes
, Suspension
and Equipment
Show recall evidence by year
2023
Service brakes, hydraulic:
Safety recall involving the service brakes area. See the official notice for the exact defect, risk, and remedy details.
Summary: 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.
2022
Parking brake:
Safety recall involving the parking brake area. See the official notice for the exact defect, risk, and remedy details.
Summary: 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.
Equipment:
Safety recall involving the equipment area. See the official notice for the exact defect, risk, and remedy details.
Summary: 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.
Service brakes, hydraulic:
Safety recall involving the service brakes area. See the official notice for the exact defect, risk, and remedy details.
Summary: 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.
2021
Equipment:
Safety recall involving the equipment area. See the official notice for the exact defect, risk, and remedy details.
Summary: 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.
Service brakes, hydraulic:
Safety recall involving the service brakes area. See the official notice for the exact defect, risk, and remedy details.
Summary: 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.
2020
Wheels: Lugs/nuts/bolts/studs:
Safety recall involving the wheels area. See the official notice for the exact defect, risk, and remedy details.
Summary: 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
Seat belts: Webbing:
Safety recall involving the seat belts area. See the official notice for the exact defect, risk, and remedy details.
Summary: 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
Suspension: U-bolt, leaf spring to axle:
Safety recall involving the suspension area. See the official notice for the exact defect, risk, and remedy details.
Summary: 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 t
Service brakes, hydraulic:
Safety recall involving the service brakes area. See the official notice for the exact defect, risk, and remedy details.
Summary: 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.
2019
Wheels: Lugs/nuts/bolts/studs:
Safety recall involving the wheels area. See the official notice for the exact defect, risk, and remedy details.
Summary: 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
Seat belts: Webbing:
Safety recall involving the seat belts area. See the official notice for the exact defect, risk, and remedy details.
Summary: 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
Suspension: U-bolt, leaf spring to axle:
Safety recall involving the suspension area. See the official notice for the exact defect, risk, and remedy details.
Summary: 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 t
Service brakes, hydraulic:
Safety recall involving the service brakes area. See the official notice for the exact defect, risk, and remedy details.
Summary: 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.
2018
Suspension: U-bolt, leaf spring to axle:
Safety recall involving the suspension area. See the official notice for the exact defect, risk, and remedy details.
Summary: 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 t
2017
Suspension: U-bolt, leaf spring to axle:
Safety recall involving the suspension area. See the official notice for the exact defect, risk, and remedy details.
Summary: 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 t
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This site does not replace the official NHTSA VIN lookup and should not be
treated as legal or safety advice for your specific vehicle.
For any safety concerns: Always check your VIN on the official
NHTSA site and contact an authorized dealer.
