The defect
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 to misalign.
The risk
The misalignment may cause the propeller shaft to separate, causing a loss of power to the rear wheels and a stall, increasing the risk of a crash.
The 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 1-866-441-9638. Isuzu's number for this recall is V2103.
NHTSA's own wording · initiated by MFR
Vehicles covered
| Model | Model years |
|---|---|
| Chevrolet 4500HD | 2017, 2018, 2019, 2020 |
| Chevrolet 4500XD | 2017, 2018, 2019, 2020 |
| Chevrolet 5500HD | 2017, 2018, 2019, 2020 |
| Chevrolet 5500XD | 2020 |
| International Motors Chevy 4500HD | 2019, 2020 |
| International Motors Chevy 5500HD | 2019, 2020 |
| Isuzu NPR | 2015, 2016, 2017 |
| Isuzu NPR HD | 2016, 2017, 2018, 2019, 2020 |
| Isuzu NPR XD | 2016, 2017, 2018, 2019, 2020 |
| Isuzu NQR | 2016, 2017, 2018, 2019, 2020 |
| Isuzu NRR | 2016, 2017, 2018, 2019, 2020, 2021 |
| Isuzu Reach | 2015, 2016, 2017 |
Components: SUSPENSION:REAR:SPRINGS:LEAF SPRING ASSEMBLY:U-BOLT, LEAF SPRING TO AXLE
Model years in this recall
NHTSA complaints and the number of recall campaigns for each model year this recall covers.
| Model | Year | Complaints | Recalls |
|---|---|---|---|
| Chevrolet 4500HD | 2017 | 0 | 1 |
| Chevrolet 4500HD | 2018 | 0 | 1 |
| Chevrolet 4500HD | 2019 | 0 | 4 |
| Chevrolet 4500HD | 2020 | 0 | 4 |
| Chevrolet 4500XD | 2017 | 0 | 1 |
| Chevrolet 4500XD | 2018 | 0 | 1 |
| Chevrolet 4500XD | 2019 | 0 | 1 |
| Chevrolet 4500XD | 2020 | 0 | 3 |
| Chevrolet 5500HD | 2017 | 0 | 1 |
| Chevrolet 5500HD | 2018 | 0 | 1 |
| Chevrolet 5500HD | 2019 | 6 | 3 |
| Chevrolet 5500HD | 2020 | 0 | 4 |
| Chevrolet 5500XD | 2020 | 0 | 3 |
| International Motors Chevy 4500HD | 2019 | 0 | 2 |
| International Motors Chevy 4500HD | 2020 | 0 | 2 |
| International Motors Chevy 5500HD | 2019 | 0 | 2 |
| International Motors Chevy 5500HD | 2020 | 0 | 2 |
| Isuzu NPR | 2015 | 1 | 5 |
| Isuzu NPR | 2016 | 1 | 5 |
| Isuzu NPR | 2017 | 1 | 2 |
| Isuzu NPR HD | 2016 | 4 | 7 |
| Isuzu NPR HD | 2017 | 0 | 5 |
| Isuzu NPR HD | 2018 | 0 | 3 |
| Isuzu NPR HD | 2019 | 0 | 5 |
| Isuzu NPR HD | 2020 | 0 | 5 |
| Isuzu NPR XD | 2016 | 1 | 5 |
| Isuzu NPR XD | 2017 | 0 | 4 |
| Isuzu NPR XD | 2018 | 0 | 2 |
| Isuzu NPR XD | 2019 | 0 | 4 |
| Isuzu NPR XD | 2020 | 0 | 3 |
Other suspension recalls in 2021
48 of the 988 recall campaigns reported to NHTSA in 2021 concerned the suspension; Isuzu Technical Center of America, Inc. filed 23 campaigns in all.
| 21V00F000 22 Dec 2021 | General Motors, LLC |
| 21V990000 17 Dec 2021 | Mercedes-Benz USA, LLC |
| 21V935000 1 Dec 2021 | Volkswagen Group of America, Inc. |
| 21V912000 21 Nov 2021 | Tesla, Inc. |
| 21V911000 19 Nov 2021 | Porsche Cars North America, Inc. |
| 21V886000 16 Nov 2021 | Jayco, Inc. |
| 21V870000 10 Nov 2021 | Ford Motor Company |
| 21V835000 25 Oct 2021 | Tesla, Inc. |
NHTSA recalls (public domain) · all recalls of 2021