Mack · Canada · High
Mack R, RD +2 more: Not Entered
Affects Mack R, RD, DM, U · 1977–1978 — about 3K vehicles.
The hazard
TRUCKS WITH MACK SW57,SW76,S38,OR S44 TANDEM AXLES. A CASTING DEFECT IN THE BOGIE SPRING INSULATOR CAP CAN ALLOW THE END OF THE REAR SPRING TO DETACH FROM THE AXLE HOUSING RESULTING IN LOSS OF VEHICLE CONTROL.
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