STEERING:GEAR BOX:SHAFT PITMAN
Oct 24, 1992
145,682 units potentially affected
The defect: THE SAGINAW GEAR DOES NOT RELIEVE PRESSURE WHEN THE WHEELS HAVE BEEN TURNED FULLY AGAINST THE AXLE STOPS. THE RESULTING CONTINUED PRESSURE ON THE STEERING SYSTEM CAN RESULT IN THE DEVELOPMENT OF CRACKS IN THE SPLINES OF THE PITMAN SHAFT, WHICH CAN DEVELOP INTO A COMPLETE FRACTURE OF THE PITMAN SHAFT.
The risk: FRACTURE OF THE PITMAN SHAFT CAUSES COMPLETE LOSS OFSTEERING CONTROL, WHICH COULD RESULT IN A VEHICLE ACCIDENT IF FRACTURE OCCURSWHILE VEHICLE IS IN MOTION.
The remedy: REPLACE THE EXISTING PITMAN SHAFT IN THE STEERING GEAR ASSEMBLY WITH A NEW, STRENGTHENED PITMAN SHAFT.
NAVISTAR INTL CORP.View on NHTSA.gov