GMC SCHOOL BUS

Published

1993-02-03

Model years

1990–1991

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.