Steering: gear box (other than rack and pinion)
- Component
- Steering: gear box (other than rack and pinion)
- Manufacturer
- STEWART & STEVENSON SERV.
- Vehicles affected
- 28
- Reported to NHTSA
- 1992-10-14
- Owners notified
- 1992-09-15
Defect description
THE ROLL PIN USED TO ATTACH THE U-JOINT TO THE STEERING SHAFT CAN "BACK OUT" OF ITS POSITION AND SHEAR.
Safety risk
SHEARING OF THE ROLL PIN CAUSES THE U-JOINT/STEERINGDRIVESHAFT ATTACHMENT TO FAIL AND DROP BELOW ITS NORMAL POSITION, RESULTINGIN LOSS OF STEERING CONTROL.
Manufacturer remedy
A BOLT AND NUT ARRANGEMENT WILL BE ADDED FOR PROTECTION AGAINST THE PIN FAILURE.