| NHTSA Campaign Number: |
91V126000 |
| Vehicle/Equipment Make: |
FORD |
| Vehicle/Equipment Model: |
B700 |
| Model Year: |
1988 |
| Manufacturer Campaign Number: |
|
| Manufacturer Component Description: |
STEERING:GEAR BOX (OTHER THAN RACK AND PINION) |
| Manufacturers Involved in Recall: |
FORD MOTOR COMPANY |
| Manufacturered: |
19870701 - 19871101 |
| Type of Report: |
V (Vehicle, Equipment or Tire) |
| Potential Number of Units Affected: |
3000 |
| Date Owner Notified By Manufacturer: |
19910926 |
| Recall Initiated By: |
19910926 |
| Manufacturer Responsible For Recall: |
FORD MOTOR COMPANY |
| Report Received Date: |
19910716 |
| Record Creation Date: |
19910930 |
| Regulation Part Number: |
|
| Federal Motor Vehicle Safety Standard Number: |
|
| Defect 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 Summary: |
STEERING ABILITY DETERIORATES AND EVENTUALLY STEERINGLOCKUP OCCURS DURING THESE LOW SPEED MANEUVERS RESULTING IN LOSS OF STEERINGCONTROL AND AN INCREASED RISK OF VEHICLE ACCIDENT. |
| Corrective Summary: |
REPLACE BENDIX C300N STEERING GEARS WITH NEW GEARS. |