Steering: gear box (other than rack and pinion)
- Component
- Steering: gear box (other than rack and pinion)
- Manufacturer
- MACK TRUCKS, INCORPORATED
- Vehicles affected
- 259
- Reported to NHTSA
- 1988-03-28
- Owners notified
- 1988-03-25
Defect description
THE STEERING SHAFT SPLINE ENGAGEMENT IS ONLY .52, THE RECOMMENDED ENGAGEMENT IS 2 INCHES.
Safety risk
UNDER IMPACTS SUCH AS ROAD POTHOLES, IT COULD RESULT INSHAFT DISENGAGEMENT. THE DRIVER WOULD IMMEDIATELY LOSE STEERING CONTROLWITHOUT WARNING AND VEHICLE CRASH COULD OCCUR.
Manufacturer remedy
REPLACE SHAFTS THAT MEASURE UNDER THE MINIMUM ENGAGEMENT DIMENSIONS WITH A LONGER SHAFT.