Disassembly

DISASSEMBLY
1. Remove power steering pump from vehicle, as previously outlined.





2. Remove reservoir retaining clips from reservoir assembly.
3. Remove reservoir from housing.
4. Remove O-ring seal from pump housing.





5. Remove pump pulley using the Power Steering Pump Pulley Remover SA9162C (or equivalent).





6. Remove three power steering pump to bracket fasteners and remove bracket from pump.

Removal Of EVO Solenoid.:

7. On EVO equipped vehicles, remove EVO actuator assembly with EVO Power Steering Actuator Socket SA9116C (or equivalent).
8. Remove flow control valve and spring.

Fig. 5 Pump Retaining Ring Removal:

9. Remove retaining ring.
A. If difficulty is encountered, use a C-clamp (one side on end cover, the other on pump drive shaft) to depress end cover, easing removal of retaining ring. Make sure to insert a piece of wood (or other protective material) between the C-clamp and pump drive shaft.
B. Place a punch into the pump housing access hole and remove the retaining ring.
10. Gently push or tap on drive shaft to assist in removing end cover.

Fig. 6 Pump Internal Component Removal:

11. Remove the following internal pump parts, in two groups:
- Group 1: End cover, O-ring, pressure plate spring, pressure plate.
- Group 2: Drive shaft with pump rotor, pump vanes, pump ring, thrust plate, and shaft retaining ring.

Fig. 7 Pump Housing O-ring Seal, Dowel Pins And Driveshaft Seal Removal:

12. Remove the following parts from the pump housing:
A. O-ring seal.
B. Two dowel pins from pump housing.
C. Drive shaft seal.

Fig. 11 Pressure Plate Assembly:

13. Remove pressure plate, pressure plate spring, and O-ring from end cover.
14. Remove shaft retaining ring from drive shaft and discard.
15. Remove pump rotor, pump vanes, pump ring, and thrust plate from drive shaft.

Fig. 8 Removing Rotor, Vanes, Ring And Thrust Plate From Driveshaft:

16. Separate pump rotor, pump vanes, and pump ring.
17. Clean all parts in power steering fluid and dry.

IMPORTANT: Replace any damaged components. Do not attempt to remove damage with abrasive cleaners.

IMPORTANT: A wavy pattern on the pump ring face will be present with low mileage and should not be mistaken for pre-mature wear.

18. Inspect pump ring, pump vanes, thrust plate, and drive shaft for scoring, pitting, or chatter marks.