Mack · Canada · Mod
Mack CF Fire Chassis: Steering
Affects Mack CF Fire Chassis · 1967–1990 — about 10 vehicles.
The hazard
UNDER CERTAIN STRESS CONDITIONS THE STEERING ARM MAY CRACK AND, WITH CONTINUED OPERATION, THE CRACK MAY PROPOGATE AND EVENTUALLY CAUSE THE STEERING LEVER TO BREAK. THIS COULD RESULT IN LOSS OF CONTROL AND A CRASH WITHOUT PRIOR WARNING. CORRECTION: STEERING ARM WILL BE REPLACED WITH ONE OF A STRONGER DESIGN.
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