2005 LEXUS ES300 Repair Manual

F41573
F41492
- POWER STEERINGVANE PUMP ASSY
51-15
2590 Author
: Date
:
2005 LEXUS ES330 REPAIR MANUAL (RM1124U)
37. INSTALL VANE PUMP HOUSING REAR
(a) Coat a new O-ring with power steering fluid and install it to the vane pump housing rear.
(b) Install the vane pump housing rear with the 4 bolts.
Torque: 24 NVm (245 kgfVcm, 18 ftVlbf)
38. MEASURE VANE PUMP ROTATION TORQUE(TYPE A
VANE PUMP)
(a) Check that the vane pump rotates smoothly without ab-
normal noise.
(b) Temporarily install the pulley set nut.
(c) Using a torque wrench, check the vane pump rotating
torque.
Rotating torque:
0.27 NVm (2.8 kgfVcm, 2.4 in.Vlbf) or less
39. MEASURE VANE PUMP ROTATION TORQUE(TYPE B
VANE PUMP)
(a) Check that the vane pump rotates smoothly without ab-
normal noise.
(b) Temporarily install the service bolt.
Recommended service bolt:
Thread diameter: 10 mm (0.39 in.)
Thread pitch: 1.25 mm (0.0492 in.)
Bolt length: 50 mm (1.97 in.)
(c) Using a torque wrench, check the vane pump rotating
torque.
Rotating torque:
0.27 NVm (2.8 kgfVcm, 2.4 in.Vlbf) or less
40. INSTALL VANE PUMP BRACKET REAR(TYPE A VANE PUMP)
(a) Install the vane pump bracket rear with the 2 bolts.
Torque: 43 NVm (438 kgfVcm, 32 ftVlbf)
41. INSTALL VANE PUMP BRACKET REAR(TYPE B VANE PUMP)
(a) Install the vane pump bracket rear with the 2 bolts and 2 nuts.
Torque: 44 NVm (449 kgfVcm, 32 ftVlbf)
42. INSTALL FLOW CONTROL VALVE COMPRESSION SPRING
(a) Coat the flow control valve compression spring with power steering fluid and install it.
(b) Install the flow control valve compression spring.
43. INSTALL FLOW CONTROL VALVE
(a) Coat the flow control valve with power steering fluid.
(b) Install the flow control valve.
44. INSTALL PRESSURE PORT UNION
(a) Coat a new O-ring with power steering fluid and install it to the pressure port union.
(b) Install the pressure port union.
Torque: 83 NVm (846 kgfVcm, 61 ftVlbf)

F41600
SST
F41599
A
B
W03441
Pressure
Feed
Hose
Stopper 51-16
- POWER STEERINGVANE PUMP ASSY
2591 Author
: Date
:
2005 LEXUS ES330 REPAIR MANUAL (RM1124U)
45. INSTALL POWER STEERING SUCTION PORT UNION
(a) Coat a new O-ring with power steering fluid and install it to the power steering suction port union.
(b) Install the power steering suction port union with the bolt.
Torque: 13 NVm (133 kgfVcm, 10 ftVlbf)
46. INSTALL VANE PUMP PULLEY(TYPE A VANE PUMP)
(a) Install the vane pump pulley to the vane pump shaft.
(b) Using SST, stop the vane pump pulley rotation and install
the nut.
SST 09960-10010 (09962-01000, 09963-01000)
Torque: 44 NVm (449 kgfVcm, 32 ftVlbf)
47. INSTALL VANE PUMP ASSY
(a) Temporarily install the vane pump assy with the 2 (A and
B) bolts.
48. INSTALL VANE PUMP V BELT
(a) Install the vane pump V belt and adjust the V belt tension
(See page 14-1).
(b) Torque the bolt A.
Torque: 43 NVm (438 kgfVcm, 32 ftVlbf)
(c) Torque the bolt B.
Torque: 43 NVm (438 kgfVcm, 32 ftVlbf)
49. CONNECT PRESSURE FEED HOSE
(a) Using a spanner (22 mm) to hold the pressure port union,
connect the pressure feed hose with the union bolt and
a new gasket.
Torque: 51.5 NVm (525 kgfVcm, 38 ftVlbf)
HINT:
Make sure the stopper of the pressure feed hose touches the
pump bracket front as shown in the illustration, then install the
union bolt.
50. INSTALL POWER STEERING OIL PRESSURE SWITCH
(a) Install the power steering oil pressure switch to the union bolt.
Torque: 21 NVm (214 kgfVcm, 15 ftVlbf)
NOTICE:
Be careful not to allow oil from being attached to the connector.
(b) Connect the connector.

- POWER STEERINGVANE PUMP ASSY
51-17
2592 Author
: Date
:
2005 LEXUS ES330 REPAIR MANUAL (RM1124U)
51. CONNECT OIL RESERVOIR TO PUMP HOSE NO.1
(a) Connect the oil reservoir to pump hose No.1.
(b) Install the clip.
52. INSTALL FRONT FENDER APRON SEAL RH
53. INSTALL FRONT FENDER LINER RH
54. INSTALL FRONT WHEEL RH
Torque: 103 NVm (1,050 kgfVcm, 76 ftVlbf)
55. BLEED POWER STEERING FLUID (See page 51-3)
56. INSPECT FLUID LEAK

5106A-01
F41605
Rack & Pinion Power
Steering Gear Assy
 Cotter Pin Return Tube
Assy Clamp
Power Steering Rack
Housing Heat InsulatorPressure
Feed Tube
Return Tube
Assy
Front Stabilizer
Bracket No.1 LH Front Stabilizer
Bracket No.1 RH
Front Stabilizer Bar
Front
Stabilizer Bar
Bush No.1
Front Stabilizer Bar
Bush No.1
* For use with SST
NVm (kgfVcm, ftVlbf) : Specified torque
 Non-reusable part
24.5 (250, 18)
*22.5 (229, 17)
19 (194, 14)
 Cotter Pin
O-Ring
9.8 (100, 87 in.Vlbf)9.8 (100, 87 in.Vlbf)
24.5 (250, 18)
*22.5 (229, 17)
35.3 (360, 26)
70 (714, 52)
49 (500, 36)
19 (194, 14)
74 (755, 55)
74 (755, 55)
49 (500, 36)
Steering Intermediate
Shaft Sub-assy
51-18
- POWER STEERINGRACK & PINION POWER STEERING GEAR ASSY
2593 Author
: Date
:
2005 LEXUS ES330 REPAIR MANUAL (RM1124U)
RACK & PINION POWER STEERING GEAR ASSY
COMPONENTS

F41889
Rack Housing

Rack Housing Cap
 Gasket
Control Valve
Steering Right Turn
Pressure Tube
Steering Left Turn
Pressure Tube

 O-Ring


Dust Cover
Control Valve
Housing
 Power Steering
Control Valve
Upper Oil Seal
Control Valve Upper
Bearing
 Control Valve Ring
Rack Guide
Spring Cap Nut

Rack Guide Spring Cap
Rack Guide
Compression
Spring
RACK & PINION POWER STEERING GEAR ASSY:


* For use with SST  Non-reusable part
NVm (kgfVcm, ftVlbf) : Specified torque
Molybdenum disulfide lithium base grease

Precoated part
Power steering fluid
MP grease
 Oil Seal
12.5 (127, 9)
*11.5 (117, 8)
12.5 (127, 9)
*11.5 (117, 8)
21 (214, 15)
68.5 (699, 51)
*48 (489, 35)
58.5 (597, 43)
24.5 (250, 18)
- POWER STEERINGRACK & PINION POWER STEERING GEAR ASSY
51-19
2594 Author
: Date
:
2005 LEXUS ES330 REPAIR MANUAL (RM1124U)

F41890
 Steering Rack
Boot No.1 ClampSteering Rack
Boot No.1
Lock Nut
Steering Rack Boot
Clip
Rack Housing
 Claw Washer
Steering Rack End Sub-assy
 Power Steering Cylinder
Tube Oil Seal
Power Steering Rack
 O-Ring Rack Steering
Piston Ring
 O-Ring
Power Steering Rack Bush Cylinder End Stopper
 Wire
 Claw Washer
Steering Rack End Sub-assy
 Steering Rack Boot No.2 Clamp Steering Rack
Boot No.2
Steering Rack Boot ClipLock Nut
Tie Rod Assy RH
RACK & PINION GEAR POWER STEERING GEAR ASSY:
* For use with SST  Non-reusable part
NVm (kgfVcm, ftVlbf) : Specified torque
Molybdenum disulfide lithium base grease
Power steering fluid
Tie Rod Assy LH
Rack Bush
Oil Seal

74 (755, 55)
83.5 (851, 62)
*58.5 (597, 43)
83.5 (851, 62)
*58.5 (597, 43)
74 (755, 55)
51-20
- POWER STEERINGRACK & PINION POWER STEERING GEAR ASSY
2595 Author
: Date
:
2005 LEXUS ES330 REPAIR MANUAL (RM1124U)

5106B-04
F40531
SST
C92274
- POWER STEERINGRACK & PINION POWER STEERING GEAR ASSY
51-21
2596 Author
: Date
:
2005 LEXUS ES330 REPAIR MANUAL (RM1124U)
OVERHAUL
NOTICE:
When installing , coat the parts indicated by the arrow with power steering fluid or molybdenum disul-
fide lithium base grease (See page 51-18).
1. PRECAUTION(See page 60-1)
2. DISCONNECT BATTERY NEGATIVE TERMINAL
3. REMOVE HORN BUTTON ASSY
(See page 60-22)
4. REMOVE STEERING WHEEL ASSY
(See page 50-8)
SST 09950-50013 (09951-05010, 09952-05010, 09953-05020, 09954-05021)
5. REMOVE FRONT WHEEL
6. REMOVE SPIRAL CABLE SUB-ASSY
(See page 50-8)
7. DISCONNECT TIE ROD ASSY LH
(a) Remove the cotter pin and nut.
(b) Using SST, remove the tie rod assy LH from the steering
knuckle.
SST 09628-6201 1
8. DISCONNECT TIE ROD ASSY RH
SST 09628-6201 1
HINT:
Remove the RH side by the same procedures with LH side.
9. DISCONNECT STEERING INTERMEDIATE SHAFT
SUB-ASSY
(a) Loosen the bolt and remove the clamp from the steering
column hole cover No.1.
(b) Disconnect the steering column hole cover No.2 from the
steering column hole cover No.1.
(c) Loosen the bolt.

F41595
Matchmarks
F41524
F41523
F41578SST
51-22
- POWER STEERINGRACK & PINION POWER STEERING GEAR ASSY
2597 Author
: Date
:
2005 LEXUS ES330 REPAIR MANUAL (RM1124U)
(d) Place matchmarks on the steering intermediate shaft
sub-assy and rack & pinion power steering gear assy.
(e) Remove the bolt and disconnect the steering intermedi-
ate shaft sub-assy.
10. DISCONNECT FRONT STABILIZER LINK ASSY LH
(a) Remove the nut and disconnect the front stabilizer link
assy LH from the shock absorber assy front LH.
HINT:
If the ball joint turns together with the nut, use a hexagon
wrench (6 mm) to hold the stud.
11. DISCONNECT FRONT STABILIZER LINK ASSY RH
HINT:
Remove the RH side by the same procedures with LH side.
12. REMOVE FRONT STABILIZER BRACKET NO.1 LH
(a) Remove the 2 bolts and disconnect the front stabilizer
bracket No.1 LH.
13. REMOVE FRONT STABILIZER BRACKET NO.1 RH
HINT:
Remove the RH side by the same procedures with LH side.
14. DISCONNECT PRESSURE FEED TUBE ASSY
(a) Using SST, disconnect the return tube assy from the rack
& pinion power steering gear assy.
SST 09023-12701