NHTSA recall 89V157000
Steering › Steering wheel/handle bar
Mack CH Series
The defect
Splined shaft in fixed steering column IS too short, causing the hub of the steering wheel to not fully seat in the taper.
The risk
If the retaining nut IS improperly torqued, steering wheel can come loose and steering control would be lost and could result in an accident.
The remedy
Replace steering column.