Mack · Canada · High
Mack U, R: Not Entered
Affects Mack U, R · 1975–1978 — about 2K vehicles.
The hazard
TRUCKS EQUIPPED WITH SW56 OR SW57 SERIES HIGHWAY BOGIES (TANDEM AXLES). THE BRAKE HOSE BRACKET MOUNTED ON THE FRONT AXLE OF THE BOGIE MAY FAIL LEAVING THE BRAKE TEE UNSUPPORTED. THIS COULD CAUSE BROKEN HOSE CONNECTOR FITTINGS WHICH WOULD RESULT IN AN AUTOMATIC APPLICATION, WITHOUT WARNING, OF THE SPRING EMERGENCY BRAKES AND POSSIBLE 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