Page 1780 of 1897
Z15499
Oil
Reservoir
PS Vane
Pump PS Gear
SST Open
Z15500
Oil
Reservoir
PS Vane
Pump PS Gear
SST Open Lock Position
- STEERINGPOWER STEERING FLUID
SR-7
1470 Author: Date:
2001 AVALON (RM808U)
(g) With the engine idling, open the valve fully.
(h) Measure the fluid pressure at engine speeds of 1,000 rpm
and 3,000 rpm.
Difference fluid pressure:
490 kPa (5 kgf/cm
2, 71 psi) or less
NOTICE:
Do not turn the steering wheel.
(i) With the engine idling and valve fully opened, turn the
steering wheel to full lock.
Minimum fluid pressure:
7,845 kPa (80 kgf/cm
2, 1,138 psi)
NOTICE:
Do not maintain lock position for more than 10 se-
conds.
Do not let the fluid temperature become too high.
(j) Disconnect the SST.
SST 09640- 10010 (09641- 01010, 09641- 01030,
09641-01060)
(k) Connect the pressure feed tube (See page SR-35).
(l) Bleed the power steering system (See page SR-4).
Page 1783 of 1897
F09751
Non-reusable part Oil Seal O-Ring
Molybdenum disulfide lithium base grease
Power steering fluid Precoated part O-Ring Turn Pressure Tube
Dust Seal
Control Valve AssemblyControl Valve
Housing Turn Pressure Tube
Oil Seal
Bearing
Teflon Ring
Bearing
Gasket
Rack Guide Spring
Rack Guide Sub-assembly
Rack Housing
Bearing Rack Guide
Spring Cap Lock Nut
Rack Guide
Spring Cap
Self-locking Nut
Rack Housing Cap
13 (130, 9)
*12 (120, 9)
18 (180, 13)
18 (180, 13)
69 (700, 51)
*50 (510, 37)
25 (250, 18)
59 (600, 43)
N´m (kgf´cm, ft´lbf): Specified torque
* For use with SST
- STEERINGPOWER STEERING GEAR
SR-39
1502 Author: Date:
2001 AVALON (RM808U)
Page 1802 of 1897
SR0EN-06
F08851
Connector
Oil Pressure Switch
Union Bolt
Gasket
Return HoseDrive Belt
Clamp Plate
Pressure Feed Tube
Pressure Feed Tube
PS Vane Pump AssemblyHolder
Clamp Plate
Clamp Plate
Front Fender Apron Seal RH
Non-reusable part
43 (440, 32)
*29 (300, 22)
7.8 (80, 69 in.´lbf)
21 (210, 15)
52 (530, 38)
43 (440, 32)
25 (250, 18)
*22 (230, 17)
N´m (kgf´cm, ft´lbf): Specified torque
* For use with SST
- STEERINGPOWER STEERING VANE PUMP
SR-25
1488 Author: Date:
2001 AVALON (RM808U)
POWER STEERING VANE PUMP
COMPONENTS
Page 1803 of 1897
F08852
Pressure Port Union
O-Ring
Flow Control Valve
Suction Port Union
SpringRear Housing
Rear
Bracket
Front Housing
Front Bracket
Vane Pump Shaft
Vane Pump PulleyVane Pump
Rotor
Straight Pin
Wave Washer O-Ring O-Ring
Gasket
Side Plate
Cam Ring
Vane Platex 10
Oil Seal
Snap Ring
Non-reusable part
Power steering fluid
83 (850, 62)
13 (130, 9)
43 (440, 32)
43 (440, 32)
17 (170, 12)
17 (170, 12)
44 (450, 33)
N´m (kgf´cm, ft´lbf): Specified torque
SR-26
- STEERINGPOWER STEERING VANE PUMP
1489 Author: Date:
2001 AVALON (RM808U)
Page 1808 of 1897

SR0ES-07
F08856
Pressure
Feed
Tube
Stopper
F08855
A
B
Z19285
Clamp
Engine Wire
SST Fulcrum
Length
- STEERINGPOWER STEERING VANE PUMP
SR-35
1498 Author: Date:
2001 AVALON (RM808U)
INSTALLATION
1. INSTALL PRESSURE FEED TUBE
Install the pressure feed tube and gasket to the PS vane pump
assembly with union bolt.
HINT:
Make sure the stopper of the pressure feed tube touches the
front bracket as shown in the illustration, then install the union
bolt.
Torque: 52 N´m (530 kgf´cm, 38 ft´lbf)
2. INSTALL OIL PRESSURE SWITCH
Torque: 21 N´m (210 kgf´cm, 15 ft´lbf)
NOTICE:
Be careful to prevent oil seal from being attached to the
connector.
3. INSTALL PS VANE PUMP ASSEMBLY WITH PRESS-
ER FEED TUBE
Temporarily install the PS vane pump assembly with 2 (A and
B) bolts.
4. INSTALL DRIVE BELT
(a) Adjust drive belt tension (See page SR-3).
(b) Using SST, torque the bolt A.
SST 09249-63010
Torque: 29 N´m (300 kgf´cm, 22 ft´lbf)
HINT:
Use a torque wrench with a fulcrum length of 300 mm
(11.81 in.).
Disconnect the clamp with engine wire.
(c) Torque the bolt B.
Torque: 43 N´m (440 kgf´cm, 32 ft´lbf)
(d) Connect the connector to the oil pressure switch.
Page 1812 of 1897

SR0EO-06
F13584
Pressure Feed TubeSST
F08855
A
B
- STEERINGPOWER STEERING VANE PUMP
SR-27
1490 Author: Date:
2001 AVALON (RM808U)
REMOVAL
1. REMOVE FRONT FENDER APRON SEAL RH
Remove the 2 bolts and front fender apron seal RH.
2. DISCONNECT RETURN HOSE
Remove the clip and disconnect the return hose.
NOTICE:
Take care not to spill fluid on the drive belt.
3. DISCONNECT PRESSURE FEED TUBE
(a) Remove the 2 clamp plate set nuts.
(b) Remove the bolt, 2 clamp plates and 2 holders from the
pressure feed tube.
(c) Using a spanner, hold the pressure feed tube steadily and
using SST, disconnect the pressure feed tube.
SST 09023-12700
4. REMOVE DRIVE BELT
Loosen the 2 (A and B) bolts and drive belt.
5. REMOVE PS VANE PUMP ASSEMBLY WITH PRES-
SURE FEED TUBE
(a) Disconnect the connector from the oil pressure switch.
(b) Loosen the bolt A sufficiently so that pump assembly can
be removed.
HINT:
Bolt A cannot be removed.
(c) Remove the bolt B and PS vane pump assembly.
6. REMOVE OIL PRESSURE SWITCH
NOTICE:
Be careful not to drop the switch.
If the switch is dropped or strongly damaged, replace it with a
new one.
7. REMOVE PRESSURE FEED TUBE
(a) Remove the oil pressure switch from the union bolt.
(b) Remove the union bolt, gasket and pressure feed tube.