2007 Mack CHN, 2007 Mack CXN, 2007 Mack CXP Recall: ON CERTAIN TRUCKS, THE AXLE HOUSINGS MAY HAVE BEEN MANUFACTURED WITH STEEL…
NHTSA campaign 07V123000 · Power Train · filed Mar 21, 2007 · verified Jul 30, 2026
The defect
ON CERTAIN TRUCKS, THE AXLE HOUSINGS MAY HAVE BEEN MANUFACTURED WITH STEEL THAT WAS OUT OF SPECIFICATION WHICH COULD RESULT IN A FATIGUE FAILURE OVER TIME.
The risk
IF A FATIGUE FAILURE OCCURS AND IS LEFT UNATTENDED, THE AXLE MAY LOCK UP OR THE END OF THE AXLE COULD COME OFF, WHICH COULD RESULT IN A VEHICLE CRASH.
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 INSPECT AND REPLACE THE AXLES FREE OF CHARGE. THE RECALL IS EXPECTED TO BEGIN ON OR ABOUT APRIL 9, 2007. OWNERS MAY CONTACT MACK TRUCKS AT 1-800-528-6586.
MACK TRUCKS RECALL NO. SC0322.CUSTOMERS MAY 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 Mack CHN recalls
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- 2006–2007 Mack CHN and 8 other models — ON CERTAIN TRUCKS EQUIPPED WITH BENDIX SR-7 SPRING BRAKE…
- 2005–2007 Mack CHN and 6 other models — ON CERTAIN TRUCKS EQUIPPED WITH PARKER SINGLE CHECK VALVES…
- 2007 Mack CH and 3 other models — CERTAIN TRUCKS WERE RECALLED FOR THE INSTALLATION OF…
Other campaigns involving Mack vehicles
Source: NHTSA recall database, campaign 07V123000 (manufacturer number SC0322). Data last verified Jul 30, 2026.