Recall
Ford B700 — 91V126000
NHTSA ID
91V126000
Make
Ford
Model
B700
Years Affected
1988
Recall Date
1991-07-16
Component
STEERING:GEAR BOX (OTHER THAN RACK AND PINION)
Units Affected
3,000
Completion Rate
—
Mfr Campaign No.
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.