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NHTSA Campaign 91V126000

STEERING:GEAR BOX (OTHER THAN RACK AND PINION)

Issued by FORD MOTOR COMPANY · Reported Jul 16, 1991 · 3,000 vehicles affected

What's wrong

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.

Vehicles affected by this recall

Make Model Year Units
FORD B600 1988 3,000
FORD B700 1988 3,000

Source: NHTSA Campaign 91V126000 on nhtsa.gov. To check the current repair status for a specific vehicle, use our free VIN decoder.