# Power steering pump, rebuild

Remove pump

### Disassembly

Mark position of holder and body halves to each other, remove the 4 bolts and separate the pump halves.

Remove the face plate from the front section.

Push rotor down on shaft and remove circlip. Remove rotor and impellers and slide shaft out of body.

### Assembly

Lubricate all components with fresh ATF

Replace seal in nose of housing with lip facing in

Place grease between sealing lip and dust lip of seal

Guide shaft into pump body and install impeller / rotor assembly with circlip recess of rotor facing up.
Press down on rotor and install new circlip

Impellers must be installed so that rounded side faces the outside.

Replace seal with wide edge facing down in guide of face plate.

Install face plate on dowel pins.

Replace housing O ring

### Torques

Housing bolts : 16 - 19 Nm (12 - 13 ft lbs.)

E30 M3 Repair Manual V2.7. Copyright ©1999-2001 Koala Motorsport & Brett Anderson