Mack · Canada · Mod
Mack DMM, MB +6 more: Not Entered
Affects Mack DMM, MB, R, U, RD, RM, DM, F · 1964–1975 — about 0 vehicles.
The hazard
THE PRIMARY AND SECONDARY AIR SUPPLY LINES MAY HAVE BEEN CONNECTED IN REVERSE AT THE DUAL BRAKE TREADLE VALVE.
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