Power Steering Pump - Disassembly

1. Remove the suction hose connector flange and O-ring from the power steering pump.
2. Loosen the four mounting bolts and remove the power steering pump cover.
3. Remove the cam ring.
4. Remove the rotor and vanes.

5. Remove the side plate.
6. Remove the inner and outer O-rings.

7. Remove the side plate spring.
When assembling the pump, install a new pump cover gasket and new O-rings.

8. Clamp the pump drive pulley in a vise, unscrew the mounting nut and remove the spring washer.
9. Remove the pulley from the pump drive shaft.

10. Remove the snap ring using a snap ring remover, then remove the spacer sleeve and dust seal.

11. Using light taps of a plastic hammer from the rotor side, drive out the pump drive shaft.

12. Using a screwdriver, remove the oil seal from the power steering pump housing.
When assembling the pump, always install a new oil seal.
13. Remove the fitting from the power steering pump housing, then remove the flow control valve and valve spring.

14. Remove the O-ring from the fitting.
Do not disassemble the flow control valve.
Test yourself
A quick Hyundai Elantra CN7 quiz: every answer comes with an explanation and a link to the manual page.