Mack · Canada · Mod
Mack R400, R700 +1 more: Not Entered
Affects Mack R400, R700, R600 · 1981 — about 45 vehicles.
The hazard
MODELS WITH LEFT HAND STEERING AND 9QC3239-P3 PITMAN ARM. THE PITMAN ARM INVOLVED WAS MANUFACTURED WITH TIMING MARK AND SERRATIONS LOCATED APPROXIMATELY 8 DEGREES OUT OF POSITION. WITH CHASSIS RAISED TO MAXIMUM CONDITION AND WHEELS SUSPENDED OR DROPPED INTO DEEP HOLE, THE PITMAN ARM AND DRAG LINK CAN GO INTO TOGGLE POSITION, THUS LOCKING STEERING.
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