NHTSA Campaign #91V126000 · Action EA91014

1988 Ford B600 Recall

Steering: Gear Box (other Than Rack And Pinion)

Issued · Manufacturer: FORD MOTOR COMPANY

Affected model years
1988
Component
STEERING:GEAR BOX (OTHER THAN RACK AND PINION)
Vehicles affected
3,000
Report received

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.

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.

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Related

Data sourced from the NHTSA Recalls database.