Page 1614 of 1807
- STEERINGPOWER STEERING GEAR
SR-45
1929 Author: Date:
1997 SUPRA (RM502U)
(c) Expand 2 new teflon rings with your fingers.
NOTICE:
Be careful not to overexpand the teflon rings.
(d) Coat the rings with power steering fluid.
(e) Install the rings to the valve assembly, and snug them
down with your fingers.
(f) Carefully slide the tapered end of SST over the teflon
rings to seal them.
SST 09631-32020
NOTICE:
Be careful not to damage the teflon rings.
7. IF NECESSARY, REPLACE PRESSURE CONTROL
VALVE ASSEMBLY
(a) Using a hexagon wrench (6 mm), remove the 3 bolts and
connector bracket.
(b) Remove the 3 O-rings from the control valve housing.
(c) Coat 3 new O-rings with power steering fluid, and install
them.
(d) Using a hexagon wrench (6 mm), install a new pressure
control valve and connector bracket with the 3 bolts.
Torque: 18 N´m (185 kgf´cm, 13 ft´lbf)
Page 1617 of 1807

R07106
SST
W0262612° SR-48
- STEERINGPOWER STEERING GEAR
1932 Author: Date:
1997 SUPRA (RM502U)
8. INSTALL CONTROL VALVE HOUSING WITH CON-
TROL VALVE ASSEMBLY
(a) Coat a new O-ring with power steering fluid, and install
it to the housing.
(b) Using a hexagon wrench (6 mm), torque the 2 bolts.
Torque: 18 N´m (185 kgf´cm, 13 ft´lbf)
9. INSTALL BEARING, SPACER AND SELF-LOCKING
NUT
Using SST to stop the control valve shaft rotating, torque a new
nut.
SST 09616-00010
Torque: 39 N´m (400 kgf´cm, 29 ft´lbf)
10. INSTALL RACK HOUSING CAP
(a) Apply sealant to 2 or 3 threads of the cap.
Sealant:
Part No. 08833-00080, THREE BOND 1344,
LOCTITE 242 or equivalent
(b) Torque the cap.
Torque: 69 N´m (700 kgf´cm, 50 ft´lbf)
11. INSTALL RACK GUIDE SEAT, RACK GUIDE SPRING
AND RACK GUIDE SPRING CAP
(a) Apply sealant to 2 or 3 threads of the cap.
Sealant:
Part No. 08833-00080, THREE BOND 1344,
LOCTITE 242 or equivalent
(b) Temporarily install the cap.
12. 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 (24 mm), torque the rack guide
spring cap.
Torque: 25 N´m (250 kgf´cm, 18 ft´lbf)
(c) Using a hexagon wrench (24 mm), return the cap 12°.
(d) Using SST, turn the control valve shaft right and left 1 or
2 times.
SST 09616-00010
(e) Using a hexagon wrench (24 mm), loosen the cap until the
rack guide spring is not functioning.
Page 1618 of 1807

W02627
SST
Hexagon
Wrench
W02628
Hexagon Wrench
SST
Fulcrum Length
R07337
Groove
- STEERINGPOWER STEERING GEAR
SR-49
1933 Author: Date:
1997 SUPRA (RM502U)
(f) Using SST, a torque wrench and hexagon wrench (24
mm), tighten the cap until the preload is within the specifi-
cation.
SST 09616-00010
Preload (turning):
1.0 - 1.9 N´m (10 - 20 kgf´cm, 8.7 - 17.4 in.´lbf)
13. INSTALL RACK GUIDE SPRING CAP LOCK NUT
(a) Apply sealant to 2 or 3 threads of the nut.
Sealant:
Part No. 08833-00080, THREE BOND 1344,
LOCTITE 242 or equivalent
(b) Using a hexagon wrench (24 mm) to hold the rack guide
spring cap, and using SST, torque the nut.
SST 09922-10010
Torque: 50 N´m (513 kgf´cm, 37 ft´lbf)
NOTICE:
Use SST 09922-10010 in the direction shown in the illustra-
tion.
HINT:
Use a torque wrench with a fulcrum length of 345 mm (13.58
in.).
(c) Recheck the total preload.
Preload (turning):
1.0 - 1.9 N´m (10 - 20 kgf´cm, 8.7 - 17.4 in.´lbf)
(d) Remove the RH and LH rack ends.
14. INSTALL DUST COVER
15. 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 washer with the steering rack grooves.
Page 1619 of 1807

F04167
SST Fulcrum
Length
R06400
SR4664
R07474
Clip
Clamp SR-50
- STEERINGPOWER STEERING GEAR
1934 Author: Date:
1997 SUPRA (RM502U)
(b) Using a spanner (22 mm) to hold the steering rack steady,
and using SST, torque the rack end.
SST 09922-10010
Torque: 77 N´m (782 kgf´cm, 57 ft´lbf)
NOTICE:
Use SST 09922-10010 in the direction shown in the illustra-
tion.
HINT:
Use a torque wrench with a fulcrum length of 380 mm (14.96
in.).
(c) Using a brass bar and a hammer, stake the washer.
NOTICE:
Avoid any impact to the rack.
16. INSTALL RH AND LH RACK BOOTS, CLAMPS AND
CLIPS
(a) Make sure 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 turned.
(b) Install the boot.
NOTICE:
Be careful not to damage or twist the boot.
(c) Install the clamp and clip to the boot.
HINT:
When the rack guide spring cap is toward you, install the clip
and clamp in the positions shown in the illustration.
17. 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, torque the nut (See page
SA-2).
Torque: 56 N´m (570 kgf´cm, 41 ft´lbf)
Page 1620 of 1807
R07105SSTFulcrum Length
- STEERINGPOWER STEERING GEAR
SR-51
1935 Author: Date:
1997 SUPRA (RM502U)
18. INSTALL 2 TURN PRESSURE TUBES
(a) Install the union seat.
(b) Using SST, install the tube.
SST 09633-00020
Torque: 24 N´m (243 kgf´cm, 18 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.
(c) Torque the union bolt over 2 new gaskets.
Torque: 34 N´m (350 kgf´cm, 25 ft´lbf)
Page 1621 of 1807

SR14E-01
SR-52
- STEERINGPOWER STEERING GEAR
1936 Author: Date:
1997 SUPRA (RM502U)
INSTALLATION
1. INSTALL PS GEAR ASSEMBLY
(a) Temporarily install the 2 bolts and nuts.
(b) After installing the rack housing bracket and grommet, torque the 2 bolts and nuts.
Torque: 75 N´m (770 kgf´cm, 55 ft´lbf)
2. INSTALL RACK HOUSING BRACKET AND GROMMET
Torque the 2 bolts and nuts.
Torque: 75 N´m (770 kgf´cm, 55 ft´lbf)
3. CONNECT PPS SOLENOID CONNECTOR
4. CONNECT PRESSURE FEED TUBE
Torque the union bolt over a new gasket.
Torque: 49 N´m (500 kgf´cm, 36 ft´lbf)
5. CONNECT RETURN TUBE
Torque the union bolt over 2 new gaskets.
Torque: 49 N´m (500 kgf´cm, 36 ft´lbf)
6. CONNECT RH AND LH TIE ROD ENDS (See page SA-17)
7. CONNECT INTERMEDIATE SHAFT (See page SR-21)
8. INSTALL FR SUSPENSION MEMBER PROTECTOR
Tighten the 4 bolts.
9. INSTALL ENGINE UNDER COVER
Install the 10 bolts.
10. POSITION FRONT WHEELS FACING STRAIGHT AHEAD
HINT:
Do it with the front of the vehicle jacked up.
11. CENTER SPIRAL CABLE (See page SR-21)
12. INSTALL STEERING WHEEL
(a) Align the matchmarks on the wheel and steering column main shaft.
(b) Temporarily tighten the wheel set nut.
(c) Connect the connector.
13. BLEED POWER STEERING SYSTEM (See page SR-3)
14. CHECK STEERING WHEEL CENTER POINT
15. TORQUE STEERING WHEEL SET NUT
Torque: 35 N´m (360 kgf´cm, 26 ft´lbf)
16. INSTALL STEERING WHEEL PAD (See page SR-21)
17. CHECK FRONT WHEEL ALIGNMENT (See page SA-2)
Page 1628 of 1807
SA3213
AB
D
Front
C
R06928
R06930
R06914
SA-4
- SUSPENSION AND AXLEFRONT WHEEL ALIGNMENT
1694 Author: Date:
1997 SUPRA (RM502U)
4. INSPECT TOE-IN
Toe-in
(Total)A + B: 0° ± 12' (0° ± 0.2°)
C - D: 0 ± 2 mm (0 ± 0.08 in.)
If toe-in is not within specification, adjust by the tie rod end.
5. ADJUST CAMBER AND CASTER
(a) Remove the engine under cover.
(b) Remove the nut, 2 bolts and lower arm bracket stay.
(c) Loosen the front and/or rear adjusting cam nuts.
(d) Adjust the camber and caster by front and/or rear adjust-
ing cams (See adjustment chart).
HINT:
Try to adjust the camber and caster to the center value.
(e) Torque the front and/or rear adjusting cam nuts.
Torque: 226 N´m (2,300 kgf´cm, 166 ft´lbf)
(f) Install the lower arm bracket stay.
Torque:
Bolt: 44 N´m (450 kgf´cm, 32 ft´lbf)
Nut: 59 N´m (600 kgf´cm, 43 ft´lbf)
(g) Install the engine under cover.
6. ADJUST TOE-IN
(a) Remove the boot clamps.
(b) Loosen the tie rod end lock nuts.
Page 1629 of 1807

R06915
SA0028
AB
Front
A: Inside
B: OutsideA B
- SUSPENSION AND AXLEFRONT WHEEL ALIGNMENT
SA-5
1695 Author: Date:
1997 SUPRA (RM502U)
(c) Turn the left and right rack ends an equal amount to adjust
the toe-in.
HINT:
Make sure that the lengths of the left and right rack ends
are the same.
Try to adjust the toe-in to the center value.
Rack end length difference:
1.5 mm (0.059 in.) or less
(d) Tighten the tie rod end lock nut.
Torque: 56 N´m (570 kgf´cm, 41 ft´lbf)
(e) Place the boot on the seat and clip it.
HINT:
Make sure that the boots are not twisted.
7. INSPECT WHEEL ANGLE
Turn the steering wheel fully and measure the turning angle.
2JZ-GE2JZ-GTE
Inside wheel35°00' (33°00' - 36°00')
35° (33° - 36°)34°55' (33°55' - 36°55')
34.92° (32.92° - 35.92°)
Outside wheel
30°45'
(30.75°)30°35'
(30.58°)
If the wheel angle are not within the specifications, check to see
if the lengths of the left and right rack ends are the same.
HINT:
If the tie rods lengths are not equal, the wheel angle cannot be
adjusted properly. Reinspect the toe-in after adjusting the tie
rods lengths.