2007 TOYOTA SIENNA Steering

POWER STEERING – RACK AND PINION POWER STEERING GEARPS–21
PS
STEERING
POWER STEERING
RACK AND PINION POWER STEERING GEAR
COMPONENTS
C119335E01

PS–22POWER STEERING – RACK AND PINION POWER STEERING GEAR
PS
C119336E01

POWER STEERING – RACK AND PINION POWER STEERING GEARPS–23
PS
C119337E01

PS–24POWER STEERING – RACK AND PINION POWER STEERING GEAR
PS
REMOVAL
NOTICE:
When installing, coat the parts indicated by the arrows
with power steering fluid or molybdenum disulfide
lithium base grease (See page PS-21).
1. INSPECT CENTER FRONT WHEEL
2. REMOVE FRONT WHEEL
3. SEPARATE TIE ROD ASSEMBLY LH
SST 09628-62011
4. SEPARATE TIE ROD ASSEMBLY RH
SST 09628-62011
HINT:
Perform the same procedure on the other side.
5. SEPARATE STEERING INTERMEDIATE SHAFT
ASSEMBLY
(a) Fix the steering wheel with the seat belt.
(b) Release the 3 springs and separate the dust cover.
(c) Place matchmarks on the intermediate shaft
assembly and power steering gear assembly.
(d) Remove the bolt and separate the intermediate
shaft assembly.
6. SEPARATE FRONT STABILIZER LINK ASSEMBLY LH
7. SEPARATE FRONT STABILIZER LINK ASSEMBLY
RH
HINT:
Perform the same procedure on the other side.
D030613
D030704E03
D029986E03

POWER STEERING – RACK AND PINION POWER STEERING GEARPS–25
PS
8. REMOVE FRONT STABILIZER BRACKET NO.1 LH
(a) Remove the 2 bolts and remove the stabilizer
bracket No. 1.
9. REMOVE FRONT STABILIZER BRACKET NO.1 RH
HINT:
Perform the same procedure on the other side.
10. DISCONNECT PRESSURE FEED TUBE ASSEMBLY
(a) Remove the clip and disconnect the return tube
assembly from the power steering gear assembly.
(b) Using SST, disconnect the pressure feed tube
assembly from the power steering gear assembly.
SST 09023-12701
(c) Remove the bolt and separate the tube clamp.
D030615E05
D029970
D029971E01
D029974

PS–26POWER STEERING – RACK AND PINION POWER STEERING GEAR
PS
(d) Remove the nut and separate the tube clamp.
11. REMOVE RACK & PINION POWER STEERING GEAR
ASSEMBLY
(a) Remove the 2 bolts, nuts and the power steering
gear assembly.
NOTICE:
Do not damage the 2 pressure tubes.
DISASSEMBLY
1. REMOVE RETURN TUBE NO.2
(a) Using SST, remove the return tube No. 2.
SST 09023-12701
2. REMOVE STEERING LEFT TURN PRESSURE TUBE
(a) Using SST, remove the left turn pressure tube.
SST 09023-38201
(b) Remove the 2 O-rings from the left turn pressure
tube.
3. REMOVE STEERING RIGHT TURN PRESSURE TUBE
SST 09023-38201
HINT:
Perform the same procedure on the other side.
4. FIX RACK & PINION POWER STEERING GEAR
ASSEMBLY
(a) Using SST, secure the power steering gear
assembly.
SST 09612-00012
HINT:
Tape the SST before use.
D029975
D029979
D030600E01
D029981E01
D030616E01

POWER STEERING – RACK AND PINION POWER STEERING GEARPS–27
PS
5. REMOVE TIE ROD ASSEMBLY LH
(a) Place matchmarks on the tie rod assembly and rack
end sub-assembly.
(b) Loosen the lock nut, and remove the tie rod
assembly and lock nut.
6. REMOVE TIE ROD ASSEMBLY RH
HINT:
Perform the same procedure on the other side.
7. REMOVE STEERING RACK BOOT CLIP
(a) Remove the 2 rack boot clips.
8. REMOVE STEERING RACK BOOT NO.2 CLAMP
(a) Using pliers, remove the rack boot No. 2 clamp.
NOTICE:
Be careful not to damage the steering rack boot
No. 2.
9. REMOVE STEERING RACK BOOT NO.1 CLAMP
HINT:
Perform the same procedure on the other side.
10. REMOVE STEERING RACK BOOT NO.2
11. REMOVE STEERING RACK BOOT NO.1
12. REMOVE STEERING RACK END SUB-ASSEMBLY
(a) Using a screwdriver and a hammer, unstake the
claw washer.
NOTICE:
Avoid any impact to the power steering rack.
F040050E11
C083166E06

PS–28POWER STEERING – RACK AND PINION POWER STEERING GEAR
PS
(b) Using 2 SST, remove the 2 steering rack end sub-
assembly and 2 claw washers.
SST 09922-10010
NOTICE:
• Use SST 09922-10010 in the direction shown
in the illustration.
• Securely hold the power steering rack end
with a SST.
13. REMOVE RACK GUIDE
(a) Using SST, remove the rack guide spring cap nut.
SST 09922-10010
NOTICE:
Use SST 09922-10010in the direction shown in
the illustration.
(b) Using SST, remove the rack guide spring cap.
SST 09631-10021
(c) Remove the compression spring and the rack guide.
14. REMOVE POWER STEERING CONTROL VALVE
(a) Using a socket wrench (27 mm), remove the rack
housing cap.
F041526E01
F041500E01
F041501E01
F041502E01