GX 470 V8-4.7L (2UZ-FE) (2004)
6. REMOVE VANE PUMP ASSY
a) Remove the 2 bolts and nut.
b) Using a torx socket (E10), remove the stud bolt.
7. MEASURE VANE PUMP ROTATION TORQUE
a) Check that the pump rotates smoothly without abnormal noise.
b) Using a torque wrench, check the pump rotating torque.
Rotating torque: 0.27 Nm (2.8 kgf-cm, 2.4 inch lbs.) or less
8. REMOVE VANE PUMP PULLEY
a) Using SST to stop the pulley rotating, loosen the nut.
SST 09960-10010 (09962-01000, 09963-01000)
b) Remove the nut and vane pump pulley from the vane pump shaft.
9. REMOVE POWER STEERING SUCTION PORT UNION
a) Remove the bolt and suction port union.
b) Remove the O-ring from the suction port union.
10. REMOVE PRESSURE PORT UNION 9
a) Remove the pressure port union, flow control valve and spring.
b) Remove the O-ring from the pressure port union.
11. REMOVE VANE PUMP HOUSING REAR
a) Remove the 4 bolts and vane pump housing rear.
HINT: If the wave washer and side plate are stuck to the vane pump housing rear, lightly tap the vane pump housing rear with a plastic
hammer, and remove the wave washer and side plate.
b) Remove the 2 O-rings from the rear housing.