2004 Autocar WX, 2004 Autocar WXLL, 2004 Autocar WXR Recall: ON CERTAIN HEAVY-DUTY CLASS 8 VEHICLES, THE AUTOMATIC ANTILOCK BRAKE…
NHTSA campaign 04V539000 · Service Brakes, Hydraulic · filed Nov 9, 2004 · verified Jul 30, 2026
The defect
ON CERTAIN HEAVY-DUTY CLASS 8 VEHICLES, THE AUTOMATIC ANTILOCK BRAKE SYSTEM (ABS) BRAKE SENSOR BRACKET MAY NOT HAVE BEEN INSTALLED CORRECTLY ON THE FRONT AXLE AND MAY INTERFERE WITH THE BRAKE SHOE RETURN SPRING. THIS COULD CAUSE THE BRAKES TO NOT RELEASE OR MAY CAUSE AN UNEXPECTED FRONT WHEEL LOCKUP AND POSSIBLE LOSS OF VEHICLE CONTROL.
The risk
ANY TIME VEHICLE CONTROL IS COMPROMISED A CRASH MAY OCCUR WITHOUT PRIOR WARNING.
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.
Check VIN on NHTSA →The fix — what to do
DEALERS WILL REPOSITION THE ABS SENSOR BRACKET INTO ITS PROPER LOCATION AND THE REPLACEMENT OF THE BRAKE RETURN SPRINGS AND S-CAM ROLLERS. THE RECALL BEGAN ON NOVEMBER 24, 2004. OWNERS SHOULD CONTACT AUTOCAR AT 1-877-973-3486.
AUTOCAR RECALL NO. A-0403.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
Related recalls
More Autocar WX recalls
- 2008–2010 Autocar WX and 4 other models — A worn parking brake control valve can leak air into the…
- 2008–2014 Autocar Acx and 2 other models — Condensation in the intake manifold may freeze during cold…
- 2005–2013 Autocar Acx and 2 other models — On the affected vehicles, the air brake systems were built…
- 2007–2009 Autocar WX and 1 other model — Structure
- 2008–2009 Autocar Acx and 2 other models — Parking Brake
Other campaigns involving Autocar vehicles
Source: NHTSA recall database, campaign 04V539000 (manufacturer number A-0403). Data last verified Jul 30, 2026.