Rear axle u-bolt not properly tightened
Defect 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 tightened and may loosen, causing the axle to misalign.
Safety Consequence
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.
Corrective Action
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.
Similar Recalls
Other recalls from Isuzu Motors Limited or involving Suspension.
FAQ: Recall 21V194000
Your rights, the repair process, and what each field on this page means.
What is recall 21V194000?
NHTSA recall 21V194000 was issued by Isuzu Motors Limited on March 19, 2021. It addresses: Rear axle u-bolt not properly tightened. The recall affects approximately 258 vehicles, with the defect involving the Suspension component.
How do I get this recall repaired?
Contact any authorized Isuzu Motors Limited dealer and reference NHTSA recall ID 21V194000 or the manufacturer campaign number V2103. Under federal law, the repair is completely free regardless of vehicle age or owner history.
Is my vehicle included in this recall?
The only way to confirm is to look up your 17-character VIN at nhtsa.gov/recalls. NHTSA's tool will tell you if VIN-by-VIN this exact recall applies.
How long do I have to get a recall repair done?
There is no expiration on most federal safety recalls. Even if your vehicle is years old and you bought it used, the manufacturer is required to perform the repair at no cost.
Where does the data on this page come from?
All information on this page is sourced directly from the U.S. Department of Transportation public dataset for NHTSA recalls. Last refreshed: 2026-05-22. For the most current official notice, visit nhtsa.gov/recalls.