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2003 Peterbilt 379 Recall: ON CERTAIN TRUCKS EQUIPPED WITH MERITOR 15X4 FRONT BRAKES AND DANA E1200…

NHTSA campaign 03V343000 · Service Brakes, Air · filed Sep 15, 2003 · verified Jul 30, 2026

Units reported
111
Manufacturer
PACCAR INCORPORATED
Risk
Safety
Owner letters
Mailing began Jan 6, 2004

The 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.

The 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.

Check whether your specific vehicle is affected

Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.

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The fix — what to do

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.

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).

Affected vehicles

MakeModelModel years
Peterbilt3792003

Related recalls

All Peterbilt 379 recalls → · All Peterbilt recalls →

Source: NHTSA recall database, campaign 03V343000 (manufacturer number 903-F). Data last verified Jul 30, 2026.