The steering linkage (drag link) between the steering gear pitman arm and the steering arm on the axle may have been improperly fastened.
Steering
Thomas School Bus Steering problems by year
0 complaints filed with NHTSA about the Thomas School Bus's steering. Loss of power steering, stiff or loose steering, wandering, column and rack problems.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) complaints and recalls, checked daily. Complaints are owners' own reports and are not verified. How we use the data