THOMAS ALL STAR 1993: STEERING:GEAR BOX (OTHER THAN RACK AND PINION)

General Information

NHTSA Campaign ID Number: 93V142001

Make Model Year
THOMAS ALL STAR 1993
Date Owners Notified Date Received by ODI Date Added to Database
1993-09-03 1993-10-01 1993-10-25

Production Dates: 1990-06-01 - 1993-08-01

Manufacturers Involved: THOMAS BUILT BUSES, INC.

Component: STEERING:GEAR BOX (OTHER THAN RACK AND PINION)

Potential Number Of Units Affected: 336

Report Initiator: MFR MFR Report

Summary

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.

Consequence

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.

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.

Notes

SYSTEM: STEERING; GEAR BOX.VEHICLE DESCRIPTION: SCHOOL BUS; FRONT ENGINE DIESEL CHASSIS; 30,000 POUND GVWR.NOTE: THOMAS BUILT IS THE ONLY AFFECTED ORIGINAL EQUIPMENT MANUFACTURER AND WILLBE PERFORMING THE RECALL.