TOYOTA SEQUOIA 2001 Service Repair Manual

SR0VB±04
F08332
SST
Oil
Seal
Bearing
F08333
SST
SST Bearing
F08335
SST
Bearing
F08334Bearing
SST
F08336
SST
Bearing
SR±46
± STEERINGPOWER STEERING GEAR
3273 Author: Date:
2005 SEQUOIA (RM1146U)
REPLACEMENT
NOTICE:
When using a vise, do not overtighten it.
1. IF NECESSARY, REPLACE OIL SEAL AND BEARING
(a) Using SST, press out the oil seal and bearing from the
control valve housing.
SST 09950±60010 (09951±00250),
09950±70010 (09951±07150)
(b) Coat a new oil seal lip with power steering fluid.
(c) Using SST, press in the oil seal.
SST 09950±60010 (09951±00180, 09951±00320,
09952±06010), 09950±70010 (09951±07150)
NOTICE:
Make sure to install the oil seal in the correct direction.
(d) Coat a new bearing with molybdenum disulfide lithium
base grease.
(e) Using SST, press in the bearing.
SST 09950±60010 (09951±00340),
09950±70010 (09951±07150)
2. IF NECESSARY, REPLACE 2 BEARINGS
(a) Using SST, press out the bearing.
SST 09950±60010 (09951±00260),
09950±70010 (09951±07150)
(b) Using SST, press out the bearing from the rack housing.
SST 09950±60010 (09951±00260),
09950±70010 (09951±07150)

F08337
Bearing SST
F08338
Bearing SST
F01798Bushing
SSTSST
Oil Seal
F01799
Press
Oil Seal
SST
SST
R10955
± STEERINGPOWER STEERING GEAR
SR±47
3274 Author: Date:
2005 SEQUOIA (RM1146U)
(c) Coat a new bearing with molybdenum disulfide lithium
base grease.
(d) Using SST, press in the bearing.
SST 09950±60010 (09951±00310),
09950±70010 (09951±07150)
(e) Coat a new bearing with molybdenum disulfide lithium
base grease.
(f) Using SST, press in the bearing.
SST 09950±60010 (09951±00320),
09950±70010 (09951±07150)
3. IF NECESSARY, REPLACE OIL SEAL
(a) Using SST, remove the oil seal from the bushing.
SST 09527±20011, 09612±24014 (09613±22011)
NOTICE:
Be careful not to damage the bushing.
(b) Coat a new oil seal lip with power steering fluid.
(c) Using SST, press in the oil seal.
SST 09950±60010 (09951±00300, 09951±00460,
09952±06010)
NOTICE:
Make sure to install the oil seal in the correct direction.
4. IF NECESSARY, REPLACE TEFLON RING AND O±
RING
(a) Using a screwdriver, remove the teflon ring and O±ring
from the steering rack.
NOTICE:
Be careful not to damage the groove for the teflon ring.
(b) Coat a new O±ring with power steering fluid and install it
on steering rack.

R06172
N00401
R11572
Teflon Ring
R11573
Teflon Ring SST SR±48
± STEERINGPOWER STEERING GEAR
3275 Author: Date:
2005 SEQUOIA (RM1146U)
(c) Expand a new teflon ring with your fingers.
NOTICE:
Be careful not to over±expand the teflon ring.
(d) Coat the teflon ring with power steering fluid.
(e) Install the teflon ring on the steering rack, and settle it
down with your fingers.
5. IF NECESSARY, REPLACE TEFLON RINGS
(a) Using a screwdriver, remove the 4 teflon rings from the
control valve assembly.
NOTICE:
Be careful not to damage the grooves for the teflon ring.
(b) Expand 4 new teflon rings with your fingers.
NOTICE:
Be careful not to expand the teflon ring excessively.
(c) Coat the teflon rings with power steering fluid.
(d) Install the teflon rings on the control valve assembly, and
settle them down with your fingers.
(e) Carefully slide the tapered end of SST over the teflon
rings until they fit to the control valve assembly.
SST 09631±20081
NOTICE:
Be careful not to damage the teflon rings.

SR02R±09
F08341
SST
Oil Seal
SST
W02101
SST Rack Teeth End
R11574
Vinyl Tape
± STEERINGPOWER STEERING GEAR
SR±49
3276 Author: Date:
2005 SEQUOIA (RM1146U)
REASSEMBLY
NOTICE:
When using a vise, do not overtighten it.
1. COAT PARTS INDICATED BY ARROWS WITH POWER
STEERING FLUID OR MOLYBDENUM DISULFIDE
LITHIUM BASE GREASE (See pages SR±37)
2. INSTALL OIL SEAL
(a) Coat a new oil seal lip with power steering fluid.
(b) Using SST, press in the oil seal.
SST 09950±60010 (09951±00330, 09951±00490,
09952±06010), 09950±70010 (09951±07360)
NOTICE:

Make sure to install the oil seal in the correct direc-
tion.

Take care that the oil seal does not get reversed as
you install it.
3. INSTALL STEERING RACK
(a) Install SST to the rack.
SST 09631±20051
HINT:
If necessary, scrape the burrs off the rack teeth end and bur-
nish.
(b) Coat the SST with power steering fluid.
(c) Install the steering rack into the rack housing.
NOTICE:
Be careful not to damage the oil seal lip.
(d) Remove the SST.
SST 09631±20051
4. INSTALL BUSHING
(a) Coat a new O±ring with power steering fluid and install it
on the bushing.
(b) To prevent oil seal lip damage, wind vinyl tape on the
steering rack end, and apply power steering fluid.
(c) Install the bushing.
NOTICE:

Make sure to install the bushing in the correct direc-
tion.

Be careful not to damage the oil seal lip.

R11656
SST
Wire
Cylinder End
Stopper
F06757
SST
F06758
Vinyl Tape
F08339Oil Seal SST
SR±50
± STEERINGPOWER STEERING GEAR
3277 Author: Date:
2005 SEQUOIA (RM1146U)
5. INSTALL CYLINDER END STOPPER
(a) Align the installation hole for the wire of the stopper with
the slot of the rack housing.
(b) Install a new wire into the stopper.
(c) Using SST, turn the stopper clockwise 400° to 500°.
SST 09631±16010
6. AIR TIGHTNESS TEST
(a) Install SST to the rack housing.
SST 09631±12071
(b) Apply 53 kPa (400 mmHg, 15.75 in.Hg) of vacuum for
about 30 seconds.
(c) Check that there is no change in the vacuum.
If there is change in the vacuum, check the installation of the oil
seals.
7. INSTALL CONTROL VALVE ASSEMBLY
(a) To prevent oil seal lip damage, wind vinyl tape on the ser-
rated part of the valve shaft.
(b) Coat the teflon rings with power steering fluid.
(c) Install the valve assembly into the valve housing.
NOTICE:
Be careful not to damage the teflon rings and oil seal.
8. INSTALL OIL SEAL
(a) Coat a new oil seal lip with power steering fluid.
(b) Using SST, press in the oil seal.
SST 09612±22011
NOTICE:
Make sure to install the oil seal in the correct direction.
9. INSTALL CONTROL VALVE HOUSING WITH CON-
TROL VALVE ASSEMBLY
(a) Place a new gasket on the rack housing.
(b) Align the matchmarks on the control valve housing with
the one on the rack housing.
(c) Install the 2 bolts.
Torque: 18 N´m (185 kgf´cm, 13 ft´lbf)

F06754
SST
F06753
SST
F06759
Punch
F08342
12°
± STEERINGPOWER STEERING GEAR
SR±51
3278 Author: Date:
2005 SEQUOIA (RM1146U)
10. INSTALL SELF±LOCKING NUT
Using SST, stop the control valve shaft rotation, install a new
nut.
SST 09616±00011
Torque: 25 N´m (250 kgf´cm, 18 ft´lbf)
11. INSTALL DUST COVER
12. INSTALL RACK HOUSING CAP
(a) Apply sealant to 2 or 3 threads of the rack housing cap.
Sealant:
Part No.08833±00080, THREE BOND 1344,
LOCTITE 242 or equivalent
(b) Using SST, install the rack housing cap.
SST 09816±30010
Torque: 59 N´m (600 kgf´cm, 43 ft´lbf)
(c) Using a punch and hammer, stake the 2 parts of the cap.
13. INSTALL RACK GUIDE SUB±ASSEMBLY, RACK
GUIDE SPRING AND RACK GUIDE SPRING CAP
(a) Install the rack guide sub±assembly and rack guide
spring.
(b) Apply sealant to 2 or 3 threads of the rack guide spring
cap.
Sealant:
Part No.08833±00080, THREE BOND 1344,
LOCTITE 242 or equivalent
(c) Temporarily install the rack guide spring cap.
14. ADJUST TOTAL PRELOAD
(a) To prevent the steering rack teeth from damaging the oil
seal lip, temporarily install the RH and LH rack ends.
(b) Using a hexagon wrench, install the rack guide spring
cap.
Torque: 25 N´m (250 kgf´cm, 18 ft´lbf)
(c) Using a hexagon wrench, return the rack guide spring cap
12 °.

F08330
SST
F08329
SST
F06752
SST
Rack Guide
Spring Cap Lock NutFulcrum
Length
R07337
Claw SR±52
± STEERINGPOWER STEERING GEAR
3279 Author: Date:
2005 SEQUOIA (RM1146U)
(d) Using SST, turn the control valve shaft right and left 1 or
2 turns.
SST 09616±00011
(e) Using a hexagon wrench, loosen the rack guide spring
cap until the rack guide spring does not functioning.
(f) Using SST, torque wrench and hexagon wrench, tighten
the rack guide spring cap until the preload becomes with-
in specification.
SST 09616±00011
Preload (turning):
1.2 to 1.6 N´m (12 to 16 kgf´cm, 10.4 to 13.9 in.´lbf)
15. INSTALL RACK GUIDE SPRING CAP LOCK NUT
(a) Apply sealant to 2 or 3 threads of the lock nut.
Sealant:
Part No.08833±00080, THREE BOND 1344,
LOCTITE 242 or equivalent
(b) Temporarily install the lock nut.
(c) Using a hexagon wrench, hold the rack guide spring cap,
and using SST, tighten the lock nut.
SST 09922±10010
Torque: 44 N´m (450 kgf´cm, 32 ft´lbf)
NOTICE:
Use SST in the direction shown in the illustration.
SST 09922±10010
HINT:
Use a torque wrench with a fulcrum length of 345 mm (13.58
in.).
(d) Recheck the total preload.
Preload (turning):
1.2 to 1.6 N´m (12 to 16 kgf´cm, 10.4 to 13.9 in.´lbf)
(e) Remove the RH and LH rack ends.
16. INSTALL RH AND LH CLAW WASHERS AND RACK
ENDS
(a) Install a new claw washer, and temporarily install the rack
end.
HINT:
Align the claws of the claw washer with the steering rack
grooves.

F06750
Fulcrum Length SST
R06400
Brass Bar
W01261
W04223
3 mm
(0.12 in.)
or less
SST
± STEERINGPOWER STEERING GEAR
SR±53
3280 Author: Date:
2005 SEQUOIA (RM1146U)
(b) Using a spanner, hold the steering rack steady, and using
SST, tighten the rack end.
SST 09922±10010
Torque: 76 N´m (770 kgf´cm, 56 ft´lbf)
NOTICE:
Use SST in the direction shown in the illustration.
SST 09922±10010
HINT:
Use a torque wrench with a fulcrum length of 345 mm (13.58
in.).
(c) Using a brass bar and hammer, stake the washer.
NOTICE:
Avoid any impact on the rack.
(d) Perform the same procedure on the other side.
17. INSTALL RH AND LH RACK BOOTS, CLAMPS AND
CLIPS
(a) Ensure that the steering rack hole is not clogged with
grease.
HINT:
If the hole is clogged, the pressure inside the boot will change
after it is assembled and the steering wheel is turned.
(b) Set a new clamp to the groove of the rack boot.
(c) Install the boot.
NOTICE:
Be careful not to damage or twist the boot.
(d) Using SST, tighten the clamp as shown in the illustration.
SST 09521±24010
(e) Install the clip to the rack boot.
(f) Perform the same procedure on the other side.
18. INSTALL RH AND LH TIE ROD ENDS AND LOCK NUTS
(a) Screw the lock nut and tie rod end onto the rack end until
the matchmarks are aligned.
(b) After adjusting toe±in, tighten the nut
(See page SA±4).
Torque: 55 N´m (560 kgf´cm, 41 ft´lbf)

F13621
Fulcrum
Length
SST
SR±54
± STEERINGPOWER STEERING GEAR
3281 Author: Date:
2005 SEQUOIA (RM1146U)
19. INSTALL 2 TURN PRESSURE TUBES
(a) Coat 4 new O±rings with power steering fluid and install
them on the turn pressure tubes.
(b) Using SST, install the 2 turn pressure tubes.
SST 09023±38401
Torque: 13 N´m (135 kgf´cm, 10 ft´lbf)
HINT:

Use a torque wrench with a fulcrum length of 250 mm
(9.84 in.).

This torque value is effective in case that SST is parallel
to a torque wrench.

SR02S±08
F06730
B C
A
BD D
F13617
Fulcrum
Length
SST
± STEERINGPOWER STEERING GEAR
SR±55
3282 Author: Date:
2005 SEQUOIA (RM1146U)
INSTALLATION
1. INSTALL GROMMET AND BRACKET
2. INSTALL PS GEAR ASSEMBLY
(a) Install the PS gear assembly with the gear assembly set
bolt ºAº.
Torque: 165 N´m (1,700 kgf´cm, 123 ft´lbf)
(b) Install the gear assembly set bolt ºBº, washer and nut ºBº.
Torque: 130 N´m (1,350 kgf´cm, 96 ft´lbf)
(c) Install the stud bolt ºCº to the bracket.
Torque: 20 N´m (200 kgf´cm, 15 ft´lbf)
(d) Install the bolt ºDº and nut ºDº to the bracket.
Torque: 165 N´m (1,700 kgf´cm, 123 ft´lbf)
3. CONNECT PRESSURE FEED AND RETURN TUBES
Using SST, connect the tubes.
SST 09023±12701
Torque: 22 N´m (227 kgf´cm, 16 ft´lbf)
HINT:

Use a torque wrench with a fulcrum length of 300 mm
(11.81 in.).

This torque value is effective in case that SST is parallel
to a torque wrench.
4. CONNECT CLAMP PLATE
Connect the clamp plate and install the bolt.
Torque: 29 N´m (290 kgf´cm, 21 ft´lbf)
5. CONNECT NO. 2 INTERMEDIATE SHAFT ASSEMBLY
(See page SR±23)
6. CONNECT RH AND LH TIE ROD ENDS
(See page SA±86)
7. POSITION FRONT WHEEL FACING STRAIGHT
AHEAD
HINT:
Do it with the front of the vehicle jacked up.
8. CENTER SPIRAL CABLE (See page SR±23)
9. INSTALL STEERING WHEEL
(a) Align the matchmark on the wheel with the one on the
steering column main shaft.
(b) Temporarily tighten the wheel set nut.
(c) Connect the connector.
10. BLEED POWER STEERING SYSTEM
(See page SR±4)
11. CHECK STEERING WHEEL CENTER POINT