NHTSA Recall 03V343000: Slack adjusters (service brakes)
PACCAR INCORPORATED reported this safety recall to NHTSA on , covering an estimated 111 vehicles. It affects 2003 Peterbilt 379.
| NHTSA campaign | 03V343000 |
|---|---|
| Manufacturer campaign | 903-F |
| Component | SERVICE BRAKES, AIR › SLACK ADJUSTERS |
| Report received | September 15, 2003 |
| Owner notification | January 6, 2004 |
| Initiated by | Manufacturer |
Defect
On certain trucks equipped with meritor 15x4 front brakes and dana e1200 steer axle, the left brake cannot fully apply or it would become stuck and not release.
Safety risk
If the left brake cannot fully be applied or if it were to become stuck and not release, this could affect the vehilce stopping distance and stability.
Remedy
Dealers will replace the "unhanded" automatic slack adjuster with a "handed" automatic slack adjuster that has a side mounted pawl nut. Owner notification began january 6, 2004. Owners who take their vehicles to an authorized dealer on an agreed upon service date and do not receive the free fremedy within a reasonable time should contact peterbilt at 1-940-591-4201.
Notes
Peterbilt recall no. 903-f.customers can also contact the national highway traffic safety administration's auto safety hotline at 1-888-dash-2-DOT (1-888-327-4236).
Vehicles covered by recall 03V343000
| Make and model | Model years |
|---|---|
| Peterbilt 379 | 2003 |
Being listed here means the campaign covers the model year, not that every car was built with the defect or is still unrepaired. Enter your VIN above to check your specific vehicle. Recall repairs are free at authorised dealers. Source: NHTSA, October 2026.