Steering: hydraulic power assist: pump
- Component
- Steering: hydraulic power assist: pump
- Manufacturer
- PIERCE MANUFACTURING,INC.
- Vehicles affected
- 1,225
- Reported to NHTSA
- 1992-04-15
- Owners notified
- 1992-05-05
Defect description
THE KEY WHICH SECURES THE POWER STEERING PUMP MATING GEAR TO THE PUMP DRIVE SHAFT BREAKS AND FALLS OUT, ALLOWING THE MATING GEAR TO SPIN ON THE SHAFT OF THE POWER STEERING PUMP, RESULTING IN A LOSS OF POWER STEERING.
Safety risk
THE LOSS OF POWER STEERING WITHOUT PRIOR WARNING CAUSESAN INCREASED EFFORT TO STEER THE VEHICLE, AND IF THE VEHICLE IS IN MOTION WHENPOWER STEERING LOSS OCCURS, COULD RESULT IN A VEHICLE ACCIDENT.
Manufacturer remedy
INSPECT THE GEAR, KEY, KEYWAY, AND PUMP SHAFT AND REPLACE ANY DAMAGED OR WORN PARTS. INSTALL NEW KEY AND SHAFT COLLAR WITH SET SCREW AND TIGHTEN TO 10 FOOT POUNDS.