Steering: gear box (other than rack and pinion)
- Component
- Steering: gear box (other than rack and pinion)
- Manufacturer
- THOMAS BUILT BUSES, INC.
- Vehicles affected
- 336
- Reported to NHTSA
- 1993-10-01
- Owners notified
- 1993-09-03
Defect description
THE CAP SCREWS THAT HOLD THE INTERMEDIATE STEERING LINKAGES ONTO THE INPUT AND OUTPUT SHAFTS OF THE 90 DEGREE STEERING GEAR BOX WERE IMPROPERLY TORQUED, AND CAN SEPARATE FROM THE LINKAGE CONNECTIONS. ALSO, THE KEYS WERE NOT INSTALLED IN THE KEYWAYS OF THE STEERING LINKAGE AND THE STEERING BOX SHAFT.
Safety risk
THE CAP SCREW SEPARATING FROM THE INTERMEDIATE LINKAGE/90 DEGREE GEAR BOX AND THE MISSING KEYS HAVE THE POTENTIAL FOR CATASTROPHICFAILURE OF THE STEERING SYSTEM WHICH MAY RESULT IN AN ACCIDENT.
Manufacturer remedy
REMOVE ALL FASTENERS CONNECTING THE STEERING GEAR BOX INPUT AND OUTPUT SHAFTS TO THE INTERMEDIATE LINKAGES AND REASSEMBLE WITH NEW KEYS, CAP SCREWS, WASHERS, AND NUTS.