Overhaul

Pump

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





2. Remove the power steering oil pump rear cover (A) and the O-ring (B) by removing the four bolts.





3. Remove the snap ring (A).





4. Remove the cam ring.





5. Remove the rotor (B) and vanes (A).





6. Remove the oil pump side plate (A).





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





8. Remove the drive pulley (A).





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





10. Remove the connector (A) from the oil pump body, and take out the flow control valve (B) and the flow control spring (C).





11. Remove the O-ring from the connector.

CAUTION: Do not disassemble the flow control valve.

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

REASSEMBLY
1. Install the flow control spring (C), the flow control valve (B) and the connector (A) in to the pump body.





2. Install the oil seal in the pump body by using the special tool (09222-32100).





3. Install the pump pulley (A).





4. Install the outer (A) and inner (B) O-rings.





5. Install the side plate (A).





6. After inserting the lock pin into the groove of the front housing, install the cam ring (A) attending to the direction.





7. Install the rotor (A).





8. Install the vanes (A).








9. After installing the O-ring (A) and the snap ring (C), install the rear cover assembly (B).
Tightening Torque Nm (kgf�m, lb-ft): 18 - 22 (1.8 - 2.2, 13 - 15.9)








10. Install the suction pipe (A) and O-ring (B).
Tightening Torque Nm (kgf�m, lb-ft): 6 - 10 (0.6 - 1, 4.3 - 7.2)