Mack · Canada · Mod
Mack FS, RL +4 more: Not Entered
Affects Mack FS, RL, RS, FL, WL, WS · 1974 — about 19 vehicles.
The hazard
VEHICLES EQUIPPED WITH SW56, 57 AND 76 SERIES BOGIES. INTERFERENCE BETWEEN INSIDE PORTION OF WHEEL AND OUTER EDGE OF BRAKE DRUM, RESULTING IN WHEEL NUT CLEARING THE RIM, ALLOWING REDUCED CLAMPING FORCES AND OVERSTRESSSING OF WHEEL STUDS.
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