2005–2006 Mack CT, 2005–2006 Mack CXN Recall: ON CERTAIN HEAVY DUTY CLASS 8 VEHICLES BUILT WITH SHEPPARD MODEL M100…
NHTSA campaign 05V178000 · Steering · filed Apr 28, 2005 · verified Jul 30, 2026
The defect
ON CERTAIN HEAVY DUTY CLASS 8 VEHICLES BUILT WITH SHEPPARD MODEL M100 STEERING GEAR, THE STEERING GEAR MOUNTING PADS, WHICH ATTACH THE STEERING GEAR TO THE FRAME RAIL, MAY FAIL.
The risk
THE STEERING GEAR COULD LOOSEN LEADING TO A SUDDEN LOSS OF STEERING, WHICH COULD RESULT IN A 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 REPLACE THE STEERING GEARS. THE RECALL BEGAN ON MAY 6, 2005. OWNERS MAY CONTACT MACK AT 1-610-709-2131.
MACK RECALL NO. SCO298. 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 Mack CT recalls
- 2010–2014 Mack Chu and 10 other models — Hazard warning lights may fail
- 2006–2008 Mack CHN and 7 other models — ON CERTAIN TRUCKS EQUIPPED WITH A SAF HOLLAND SIMPLEX FIFTH…
- 2005–2007 Mack CT and 1 other model — CERTAIN TRUCKS EQUIPPED WITH HAULMAX REAR SUSPENSIONS FAIL…
- 2007 Mack CL and 4 other models — ON CERTAIN TRUCKS EQUIPPED WITH A 46K POUND CHALMERS REAR…
- 2007 Mack CT — CERTAIN TRUCKS EQUIPPED WITH THE TRI-DRIVE OPTION FAIL TO…
Other campaigns involving Mack vehicles
Source: NHTSA recall database, campaign 05V178000 (manufacturer number SC0298). Data last verified Jul 30, 2026.