Repair Procedures

Replacement

1. Drain the power steering fluid.
2. Remove the drive belt.
3. Remove the pressure hose from the oil pump and the suction hose from the suction pipe.




4. Loosen the mounting bolts and then remove the power steering pump.




5. Installation is the reverse of the removal.

Disassembly

1. Remove two two bolts(A) from the oil pump body, and then remove the suction pipe(B) and O-ring(C).




2. Loosen the four bolts and remove the oil pump cover assembly.
3. Remove the cam ring.
4. Remove the rotor and vanes.
5. Remove the oil pump side plate.




6. Remove the inner O-ring(A) and outer O-ring(B).




7. Remove the snap ring and take out the pulley and the drive shaft assembly(A).




8. Remove the oil seal(A) from the oil pump body.




9. Remove the connector from the oil pump body, and take out the flow control valve and the flow control spring.






Inspection

1. Check that the flow control valve is not bent.
2. Check the shaft for wear and damage.
3. Check the grooves of the rotor and vanes for stratified abrasion.
4. Check the contact surface of the cam ring and vanes for stratified abrasion.
5. Check vanes for damage.
6. Check that there is no striped wear in the side plate or contacting part between the shaft and the pump cover surface.
7. Check the free length of the flow control spring.

Free length of the flow control spring : 36.5 mm (1.4in)