Vehicle recall 03V343000 · September 15, 2003
2003 Peterbilt 379
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.
Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.
- Summary
- 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.
- Consequence
- 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).
Recall details
- NHTSA campaign
- 03V343000
- Reported to NHTSA
- September 15, 2003
- Filed by
- PACCAR INCORPORATED
- Manufacturer campaign
- 903-F
- Owner notification
- January 6, 2004
- Vehicles potentially affected
- 111
- Initiated by
- the manufacturer
- Components
- Service brakes, air › Slack adjusters
Vehicles covered
As listed by NHTSA. A recall usually covers only some vehicles of each model and year, often a production date range.
- Peterbilt 379 (2003): 2003
Has your Peterbilt been repaired?
Recalls here come from NHTSA’s records for the model and year. Not every vehicle of a model is included in every recall, and this site can’t see whether a repair has been done. Only a VIN lookup can tell you that.
NHTSA’s VIN search doesn’t show recalls that were already repaired, recalls more than 15 years old, or some small manufacturers’ recalls. A Peterbilt dealer can also check your VIN. Recall repairs are free.