FORD B600 1988: STEERING:GEAR BOX (OTHER THAN RACK AND PINION)

Make : FORD Model : B600 Year : 1988
Build Dates : 1987-07-01 - 1987-11-01
NHTSA CAMPAIGN ID Number : 91V126000
Date Owner's Notified: 1991-09-26 Date Received by ODI: 1991-07-16 Date Added to Database: 1991-09-30
Manufacturers Involved: Ford Motor Company
Manufacturer's Responsible for the Recall:
Manufacturer Campaign Number:
Component: STEERING:GEAR BOX (OTHER THAN RACK AND PINION)
Potential Number Of Units Affected : 3000
Summary:
      BECAUSE OF A MACHINING INCONSISTENCY, THERE IS A HIGH PISTON-TO-BALL CONTACT ANGLE IN THE STEERING GEAR WORM DRIVE. THIS CONTACT CAUSES THE BALLS TO TRY TO ROTATE ON TWO DIFFERENT ROLLING RADII AT TWO DIFFERENT SPEEDS, CAUSING THE BALL TO DAMAGE THE CONTACT SURFACES OF THE PISTON AND SPINDLE DURING STATIC OR LOW SPEED MANEUVERS INVOKING FULL OR NEAR FULL TURNS.
Consequence:
      STEERING ABILITY DETERIORATES AND EVENTUALLY STEERINGLOCKUP OCCURS DURING THESE LOW SPEED MANEUVERS RESULTING IN LOSS OF STEERINGCONTROL AND AN INCREASED RISK OF VEHICLE ACCIDENT.
Remedy:
      REPLACE BENDIX C300N STEERING GEARS WITH NEW GEARS.
Report Initiator: ODI V Report
Regulation Part Number: Federal Motor Vehicle Safety Standard Number:
Notes:
      SYSTEM: STEERING, GEAR BOX.VEHICLE DESCRIPTION: SCHOOL BUS CHASSIS WITH BENDIX C300N STEERING GEARS.NOTE: FOR BUS APPLICABILITY CALL FORD'S TOLL-FREE NUMBER '1-800-392-3673' ANDPROVIDE VIN.