United States 91V203000
General Motors, LLC
The problem
THE PINCH BOLT USED TO RETAIN THE PITMAN ARM TO THE STEERING GEAR MAY NOT MEET THE HEAT TREAT SPECIFICATION FOR A GRADE 8 FASTENER AND MAY STRIP BEFORE PROPER TORQUE IS ACHIEVED.
Risk
THE PINCH BOLT MAY FAIL CAUSING SEPARATION OF THE PITMANARM AND THE STEERING LINKAGE, AND LOSS OF STEERING CONTROL WHICH COULD RESULTIN AN ACCIDENT.
What owners should do
REPLACE THE PINCH BOLTS WITH PROPERLY HEAT TREATED BOLTS.
Units 55