SYS ONLINE INGEST 6 hours ago SOURCE NHTSA · TC BUILD v0.0.29
Vehicle scope Default: all classes — narrow to retail passenger anytime
Network/ Canada/ Mack/ 1977111

Mack · Canada · High

Mack RS, WL +10 more: Not Entered

Affects Mack RS, WL, WS, RL, R, MB, U, F, DM, RM, HMM, RD · 1977 — about 481 vehicles.

The hazard

VEHICLES EQUIPPED WITH SWTL56, SW56 OR SW57 SERIES BOGIES (TANDEM AXLES). THE WELDS SECURING THE REAR AXLE SPRING INSULATOR BRACKET TO THE AXLE HOUSING ARE IMPROPERLY POSITIONED AND COULD BREAK CAUSING THE AXLE TO MOVE OUT OF POSITION RESULTING IN A 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