GMC · Canada · Mod
GMC School Bus: Engine
Affects GMC School Bus · 1990–1991 — about 879 vehicles.
The hazard
THE THROTTLE CAM LEVER COULD DISENGAGE FROM THE THROTTLE DRIVE SHAFT WHICH COULD ALLOW THE ENGINE TO GO TO WIDE OPEN THROTTLE. LOSS OF ACCELERATOR CONTROL COULD RESULT IN A VEHICLE CRASH WITHOUT PRIOR WARNING. CORRECTION: DEALERS WILL INSPECT FOR PROPER CAM LEVER TO SHAFT ATTACHMENT AND, IF NECESSARY, REPLACE THE THROTTLE DRIVE COVER ASSEMBLY.
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