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Recall campaign03V343000

Recall 03V343000: 2003 Peterbilt 379

Service brakes, air › Slack adjusters
Report received
Sep 15, 2003
Manufacturer
Paccar incorporated
Potentially affected
111vehicles
Model years
2003

Check your own vehicle. A recall applies only to vehicles within the affected build range. Enter your VIN at nhtsa.gov/recalls. Recall repairs are free at a franchised dealer.

What NHTSA recorded

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.

Possible 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.

Affected model years

Pages for each model year show complaints, parts, mileage and other recalls.

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.