STEERING:GEAR BOX (OTHER THAN RACK AND PINION)
THE STEERING GEAR MOUNTING BRACKET WELDS MAY CRACK UNDER CERTAIN STEERING LOAD CONDITIONS.
Remedy: REPLACE STEERING GEAR MOUNTING BRACKET WITH A REDESIGNED BRACKET.
241 vehicles affected
STEERING:LINKAGES
STEERING ARM MAY FAIL IF USED ON EATON EFA12F4 FROM AXLE IN CONJUNCTION WITH ROSS HFB70 POWER STEERING GEAR.
Remedy: INSTALL A NONADJUSTABLE 1500 PSI POWER STEERING PUMP PRESSURE RELIEF VALVE TO LIMIT STEERING ARM FORCES. REPLACE STEERING ARM WITH A DESIGN CAPABLE OF WITHSTANDING HIGHER FORCES. ADJUST MAXIMUM POPPET VALVE SETTINGS TO 500 PSI AND ADJUST AXLE STOPS.
92 vehicles affected