Steering: linkages
- Component
- Steering: linkages
- Manufacturer
- VOLVO GM HEAVY TRUCK CORP
- Vehicles affected
- 55
- Reported to NHTSA
- 1991-11-19
- Owners notified
- 1991-11-22
Defect description
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.
Safety 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.
Manufacturer remedy
REPLACE THE PINCH BOLTS WITH PROPERLY HEAT TREATED BOLTS.