Mack · Canada · Mod
Mack RL, RS +2 more: Not Entered
Affects Mack RL, RS, WL, WS · 1975–1976 — about 2 vehicles.
The hazard
VEHICLES EQUIPPED WITH FORGED ALUMINUM HUBS ON ROCKWELL FF931 AXLES WITH DISC WHEELS. LTHE FORGED ALUMINUM FRONT WHEEL HUBS HAVE A DESIGN DEFICIENCY IN THE BARREL BETWEEN THE INNER AND OUTER BEARINGS WHICH CAN LEAD TO CRACKING AND FAILURE OF THE HUB.
What to do
Contact your dealer; the remedy details were not included in the filing.
Critical — crash/injury risk now
High — injury risk; see remedy
Moderate — fix at next service
Low — minor / informational