Power Steering Vane Pump Disassembly - Lexus 2005 IS300 User Manual

SR-30
Vane Pump
Shaft
2005 LEXUS IS300 (RM1140U)
STEERING
DISASSEMBLY
NOTICE:
When using a vise, do not overtighten it.
1.
(a)
(b)
F10342
2.
Using SST, stop the pulley rotating and remove the pulley set
SST
nut.
3.
(a)
(b)
4.
F10343
(a)
(b)
5.
(a)
(b)
6.
7.
8.
NOTICE:
Be careful not to drop the vane plate.
9.
Remove the 2 straight pins from the front housing.
10.
11.
Press
(a)
Vinyl Tape
Front Housing
(b)
Oil Seal
(c)
Bearing
NOTICE:
Be careful not to damage the oil seal lip.
W01277
- POWER STEERING VANE PUMP
MEASURE PS VANE PUMP ROTATING TORQUE
Check that the pump rotates smoothly without abnormal
noise.
Using a torque wrench, check the pump rotating torque.
Rotating torque:
0.25 N·m (2.5 kgf·cm, 2.2 in.·lbf) or less
REMOVE VANE PUMP PULLEY
SST 09960-10010 (09962-01000, 09963-01000)
REMOVE OIL RESERVOIR
Remove the 3 bolts and oil reservoir.
Remove the O-ring from the oil reservoir.
REMOVE PRESSURE PORT UNION, FLOW CONTROL
VALVE AND SPRING
Remove the pressure port union, flow control valve and
spring.
Remove the O-ring from the pressure port union.
REMOVE REAR HOUSING
Remove the 2 bolts and rear housing.
Remove the 2 O-rings from the rear housing.
REMOVE WAVE WASHER
REMOVE SIDE PLATE
REMOVE CAM RING, 10 VANE PLATES AND VANE
PUMP ROTOR
REMOVE 2 STRAIGHT PINS
REMOVE GASKET
REMOVE VANE PUMP SHAFT WITH BEARING
Using snap ring pliers, remove the snap ring from the front
housing.
To prevent oil seal lip damage, wind vinyl tape on the ser-
rated part of the vane pump shaft.
Press out the vane pump shaft with the bearing.
Author :
SR1BW-02
Date :
1888