Power Steering Pump: Service and Repair
REMOVAL AND INSTALLATION
POWER STEERING OIL PUMP ASSEMBLY INSPECTION
Check the drive belt for cracks.
DISASSEMBLY AND ASSEMBLY
CAUTION: Do not disassemble the pressure switch assembly and valve subassembly.
Assembly Service Points
>>A<< D-Ring Installation
>>B<< Rotor Installation
Install the rotor to the pulley assembly so that the rotor's punch mark is at the pump cover side.
>>C<< Cam Ring Installation
Install the cam ring with the punch mark facing the side plate.
>>D<< Vane Installation
Install the vanes on the rotor, paying close attention to the installation direction.
INSPECTION
- Check the valve subassembly for clogging.
- Check the driveshaft assembly for wear or damage.
- Check the rotor and vane groove for "stepped" wear.
- Check the contact surface of cam ring and vanes for "stepped" wear.
- Check the vanes for damage.