Freightliner on certain vehicles, one of the six brake caliper mounting bolts on the driver side steer axle may have been incorrectly tightened.
The short version
Daimler Trucks North America, LLC reported a problem with the disc caliper. Here is what owners need to know.
Daimler Trucks North America, LLC (DTNA) is recalling 2021 Western Star 4700 and 5700, Freightliner Business Class M2, Cascadia, and Custom Chassis XC Chassis vehicles manufactured with a certain steering arm configuration with air disc brakes identified by the axle assembly supplier. On certain vehicles, one of the six brake caliper mounting bolts on the driver side steer axle may have been incorrectly tightened.
The loose bolt could result in the other caliper bolts to loosen. Insufficiently tightened bolts may not provide adequate clamping force between the brake caliper and brake anchor plate, resulting in reduced brake effectiveness, increasing the risk of a crash.
DTNA will notify owners, and dealers will inspect and repair as necessary, free of charge.
Affected vehicles
These model years are included in NHTSA campaign 21V-018.
| YEAR RANGE | MODEL |
|---|---|
| 2021 | Freightliner Cascadia |
| 2021 | Freightliner M2 |
| 2021 | Western Star 4700 |
| 2021 | Western Star 5700 |
What changed
Newest first. The record shows both when the recall began and what has changed since.
- Recall reported to NHTSA. LATEST
Drive one of these? Check your VIN to see if your specific vehicle is affected.
Check your VINWhat this record means
Data from the NHTSA recall database. A clean VIN check means no open federal recalls for that vehicle — not that it never had one.
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