Mack Cxu, Chu +2 more: Trailer hitches — fifth wheel assembly

Affects Mack Cxu, Chu, Pinnacle (Chu), Pinnacle (Cxu) · 2009–2011 — about 808 vehicles.

The hazard

THE BOLTS MAY FAIL AND COULD RESULT IN THE FIFTH WHEEL COMING LOOSE CAUSING THE TRAILER TO SEPARATE FROM THE TRACTOR INCREASING THE RISK OF A CRASH.

What to do

DEALERS WILL INSPECT AND REPLACE THE BOLTS AS REQUIRED FREE OF CHARGE. THE SAFETY RECALL BEGAN ON MAY 30, 2011. OWNERS MAY CONTACT MACK TRUCKS AT 1-800-866-1177.

Critical — crash/injury risk now High — injury risk; see remedy Moderate — fix at next service Low — minor / informational