Mack · Canada · High
Mack MB, U +3 more: Not Entered
Affects Mack MB, U, R, F, DM · 1967–1973 — about 60 vehicles.
The hazard
VEHICLES EQUIPPED WITH SW56, 78, 82 AND 86 SERIES REAR AXLES. THE REAR AXLE TRUNNION BRACKET MAY DEVELOP CRACKS. IF THE CRACKS ARE NOT DETECTED, CONTINUED OPERATION COULD ULTIMATELY LEAD TO TRUNNION TUBE SEPARATION FROM THE TRUNNION AND PERMIT AXLE ASSEMBLY DISLOCATION. THIS COULD RESULT IN LOSS OF VEHICLE CONTROL WITHOUT WARNING, WITH VEHICLE CRASH THE POTENTIAL OCCURANCE.
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