The defect
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.
The risk
STEERING ABILITY DETERIORATES AND EVENTUALLY STEERINGLOCKUP OCCURS DURING THESE LOW SPEED MANEUVERS RESULTING IN LOSS OF STEERINGCONTROL AND AN INCREASED RISK OF VEHICLE ACCIDENT.
The remedy
REPLACE BENDIX C300N STEERING GEARS WITH NEW GEARS.
NHTSA's own wording · initiated by ODI
Vehicles covered
| Model | Model years |
|---|---|
| Ford B600 | 1988 |
| Ford B700 | 1988 |
Components: STEERING:GEAR BOX (OTHER THAN RACK AND PINION)
Model years in this recall
NHTSA complaints and the number of recall campaigns for each model year this recall covers.
| Model | Year | Complaints | Recalls |
|---|---|---|---|
| Ford B600 | 1988 | 0 | 3 |
| Ford B700 | 1988 | 0 | 3 |
Other steering recalls in 1991
21 of the 220 recall campaigns reported to NHTSA in 1991 concerned the steering; FORD MOTOR COMPANY filed 963 campaigns in all.
| 91V210000 3 Dec 1991 | PACCAR, INCORPORATED |
| 91V208000 27 Nov 1991 | NAVISTAR INTL CORP. |
| 91V203000 19 Nov 1991 | VOLVO GM HEAVY TRUCK CORP |
| 91V193000 12 Nov 1991 | SUBARU OF AMERICA, INC. |
| 91V157000 18 Sept 1991 | GENERAL MOTORS CORP. |
| 91V153000 17 Sept 1991 | WINNEBAGO IND., INC. |
| 91V152000 17 Sept 1991 | WINNEBAGO IND., INC. |
| 91V159000 12 Sept 1991 | THOMAS BUILT BUSES, INC. |
NHTSA recalls (public domain) · all recalls of 1991