STEERING:GEAR BOX (OTHER THAN RACK AND PINION)
Oct 14, 1992
28 units potentially affected
The defect: THE ROLL PIN USED TO ATTACH THE U-JOINT TO THE STEERING SHAFT CAN "BACK OUT" OF ITS POSITION AND SHEAR.
The 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.
The remedy: A BOLT AND NUT ARRANGEMENT WILL BE ADDED FOR PROTECTION AGAINST THE PIN FAILURE.
STEWART & STEVENSON SERV.View on NHTSA.gov