Toyota AVENSIS 2000 Supplement Manual page 670

AVENSIS/CORONA SUP (RM781E)
STEERING – POWER STEERING VANE PUMP (1ZZ–FE, 3ZZ–FE)
DISASSEMBLY
NOTICE:
When using a vise, do not overtighten it.
1. MEASURE PS VANE PUMP ROTATING 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 N·m (2.8 kgf·cm, 2.4 in.·lbf) or less
F13466
2. REMOVE SUCTION PORT UNION
(a) Remove the bolt and suction port union.
(b) Remove the O–ring from the suction port union.
3. REMOVE PRESSURE PORT UNION, FLOW CONTROL
VALVE AND SPRING
(a) Remove the pressure port union, flow control valve and
spring.
(b) Remove the O–ring from the pressure port union.
4. REMOVE OIL PRESSURE SWITCH
NOTICE:
Be careful not to drop the oil pressure switch.
If the oil pressure switch is dropped or strongly damaged, re-
place it with a new one.
5. REMOVE REAR HOUSING
(a) Remove the bolt, nut, heat insulator and pump rear brack-
et.
(b) Remove the 4 bolts and rear housing.
(c) Remove the O–ring from the rear housing.
6. REMOVE CAM RING, 10 VANE PLATES, VANE PUMP
ROTOR AND SIDE PLATE
(a) Remove the cam ring and 10 vane plates.
NOTICE:
Take care not to drop the vane plate.
(b) Using a screwdriver, remove the snap ring, vane pump ro-
tor and side plate.
(c) Remove the 2 O–rings from the side plate.
7. REMOVE VANE PUMP SHAFT WITH VANE PUMP
PULLEY
SR–11
SR0VS–07