Disassembling/Assembling Power Steering Pump

Absolute cleanliness is essential when working on pumps.

Disassembly





- Mark position of holder (1) to pump body (2).

- Unscrew bolts and separate the body.





- Take off face plate (3).





- Press down rotor (4) on shaft (5).

- Remove circlip (6) and pull shaft out of body.

- Remove rotor (4) With the impellers.





Assembling:

- Clean and lubricate all parts with hydraulic fluid.

- Replace radial oil seal (7) - sealing lip faces in - and pack space between sealing and dust lips with grease.





- Insert shaft (5) in body.

- Mount rotor (4) with recess for snap ring facing up and install snap ring (6) in radial groove of the shaft.





- Install the impeller with the polished, rounded outside surfaces facing the cam ring.

- Check that impeller moves easily.





- Install seal (8) with wide end facing down and guide (9) in face plate (3).





- Install face plate (3) on dowel pins.

- Replace O-ring (10).





- Mount body (checking the bores are aligned) and bolt down with the holder.

- Tightening torque = 16 to 19 Nm (12 to 14 ft. lbs.).

- Check function after installation of the power steering pump.