2005 Autocar WX, 2005 Autocar WXLL, 2005 Autocar WXR Recall: ON CERTAIN HEAVY DUTY CLASS 8 TRUCKS EQUIPPED WITH ARVINMERITOR AUTO SLACK…
NHTSA campaign 05V078000 · Service Brakes, Air · filed Mar 1, 2005 · verified Jul 30, 2026
The defect
ON CERTAIN HEAVY DUTY CLASS 8 TRUCKS EQUIPPED WITH ARVINMERITOR AUTO SLACK ADJUSTERS, FAIL TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARDS NO. 121, "AIR BRAKE SYSTEMS." THE AUTO SLACK ADJUSTERS MAY NOT PROPERLY ADJUSTS.
The risk
THIS MAY RESULT IN A REDUCTION OR ELIMINATION OF THE AUTOMATIC ADJUSTMENT FUNCTION. 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
VEHICLES WILL BE INSPECTED AND THE SLACK ADJUSTERS REPLACED IF NECESSARY. THE MANUFACTURER HAS NOT YET PROVIDED AN OWNER NOTIFICATION SCHEDULE FOR THIS CAMPAIGN. OWNERS MAY CONTACT ARVINMERITOR AT 1-866-668-7221 OR AUTOCAR AT 765-489-5499.
AUTOCAR RECALL NO. A-0503.CUSTOMERS MAY ALSO CONTACT THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION'S VEHICLE SAFETY HOTLINE AT 1-888-327-4236 (TTY 1-800-424-9153), OR GO TO HTTP://WWW.SAFERCAR.GOV.
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 05V078000 (manufacturer number A-0503). Data last verified Jul 30, 2026.