NHTSA campaign 17V521000 · Manufacturer campaign FL-745
Western Star Recall 17V-521: Front Axle Capacity Exceeds Spring Capacity
NHTSA recall 17V521000 (Manufacturer campaign FL-745) was reported by Daimler Trucks North America LLC on August 24, 2017, with 38 vehicles potentially affected (per NHTSA). NHTSA's record lists the Western Star 4900 for model years 2017–2018. Owners were notified on October 16, 2017, per NHTSA.
Updated daily from NHTSA's recall files
Is my vehicle included?
This page lists, by model year, the vehicles NHTSA's recall record names for campaign 17V521000 in the model years try.vin imports (1995 and later); NHTSA's own record can list more. A model year on the list doesn't mean every vehicle of that year is included, and some may already have been repaired.
To see whether a specific vehicle is included and still needs the repair, enter its VIN at nhtsa.gov/recalls.
Free VIN check: decode a VIN to see its year, make and model.
Key facts
- NHTSA campaign
- 17V521000 (also written 17V-521 or 17V521)
- Filed by
- Daimler Trucks North America LLC
- Manufacturer campaign number
- FL-745
- Report received
- Potentially affected
- 38 vehicles (per NHTSA)
- Component
- Suspension — Front — Springs — Leaf Spring Assembly
- Owners notified
Repair completion: 71.05% (latest rate the manufacturer reported to NHTSA; dataset updated October 21, 2026)
NHTSA cautions against comparing completion rates across recalls or manufacturers. How try.vin reads them.
Vehicles listed for this recall
NHTSA's recall record lists these vehicles for recall 17V521000. try.vin imports model years 1995 and later, so NHTSA's own list can be longer. Model years with a try.vin recall page link to it. Build dates are NHTSA's range for a model year (per NHTSA); a vehicle built in that range is not necessarily included.
Western Star
All Western Star recallsNHTSA's recall notice
As NHTSA's recall record states it for campaign 17V521000.
Defect description
Daimler Trucks North America LLC (DTNA) is recalling certain 2017-2018 Western Star 4900 trucks. The front axle weight capacity may exceed the spring capacity.
Safety consequence
Overloaded springs may result in the front axle separating from the vehicle, increasing the risk of a crash.
Manufacturer remedy
DTNA will notify owners, and dealers will replace the front axle springs, free of charge. The recall began on October 16, 2017. Owners may contact DTNA customer service at 1-800-745-8000. DTNA's number for this recall is FL-745.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.
Sources
Official NHTSA notice for recall 17V521000
Campaign details come from NHTSA's recall files, which try.vin imports once a day. The plain-language subject and the completion rate come from the U.S. Department of Transportation's Recalls Data dataset. How try.vin reads recall data.