SYS ONLINE INGEST 4 hours ago SOURCE NHTSA · TC BUILD v0.0.29
Vehicle scope Default: all classes — narrow to retail passenger anytime
Network/ Canada/ Mack/ 1979120

Mack · Canada · High

Mack WL, WS +2 more: Not Entered

Affects Mack WL, WS, RWS, RWL · 1978 — about 24 vehicles.

The hazard

VEHICLES EQUIPPED WITH FF931, FAW536 OR RAW537 STEERING AXLES WITH SHEPPARD STEERING GEARS MAY NOT HAVE THE PITMAN ARM RETAINING SCREWS TORQUED TO SPECIFICATION. THS RETAINING SCREWS COULD LOOSEN AND RESULT IN WEAR ON EITHER THE PITMAN ARM SPLINES AND/OR THE STEERING GEAR OUTPUT SHAFT SPLINES AND ULTIMATELY LEAD TO A LOSS OF STEERING CONTROL. STEERING 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