TOYOTA SUPRA 1995 Service Repair Manual

6. IF NECESSARY, REPLACE BEARING
(a) Using a press, press out the bearing.
(b) Using snap ring pliers, remove the snap ring from the vane
pump shaft.
(c) Using snap ring pliers, install a new snap ring.
(d) Using a press, press in a new bearing.
POWER STEERING VANE PUMP
ASSEMBLY
NOTICE: When using a vise, do not overtighten it.
1. COAT WITH POWER STEERING FLUID
(See page SR±25)
2. INSTALL VANE PUMP SHAFT WITH BEARING
(a) Wind vinyl tape on the serrated part of the shaft.
(b) Using SST, press in the shaft with the bearing to the front
housing.
SST 09608±30012 (09608±04030)
NOTICE: Be careful not to damage the oil seal.
(c) Using snap ring pliers, install a new snap ring to the front
housing.
3. INSTALL STRAIGHT PINS
Using a plastic hammer, drive in 2 new straight pins to the
front housing.
4. INSTALL CAM RING
Align the holes of the ring and straight pins, and install the
ring with the inscribed mark facing outward.
5. INSTALL VANE PUMP ROTOR
Install the rotor with the inscribed mark facing outward. SR±30
± STEERINGPOWER STEERING VANE PUMP

6. INSTALL 10 VANE PLATES
Install the plate with the round end facing outward.
7. INSTALL GASKET
Install a new gasket to the front housing.
8. INSTALL SIDE REAR PLATE
Align the holes of the plate and straight pins.
NOTICE: Make sure you install the plate facing the cor-
rect direction.
9. INSTALL WAVE WASHER
Install the washer so that its protrusions fit into the slots in the
side rear plate.
10. INSTALL REAR HOUSING
(a) Coat 2 new O±rings with power steering fluid.
(b) Install the 2 O±ring to the housing.
(c) Torque the 2 bolts.
Torque: 17 NVm (170 kgfVcm, 12 ftVlbf)
11. I N S TA L L S P R I N G , F L O W C O N T R O L VA LV E A N D
PRESSURE PORT UNION
(a) Coat a new O±ring with power steering fluid and install it to
the union.
(b) Torque the union.
Torque: 83 NVm (850 kgfVcm, 61 ftVlbf)
12. 2JZ±GTE:
INSTALL SUCTION PORT UNION
(a) Install a new O±ring to the union.
(b) Torque the bolt.
Torque: 13 NVm (130 kgfVcm, 9 ftVlbf)
13. 2JZ±GE:
INSTALL OIL RESERVOIR
(a) Coat a new O±ring with power steering fluid and install it to
the reservoir.
(b) Torque the 3 bolts.
Torque:
Front side bolt: 13 NVm (130 kgfVcm, 9 ftVlbf)
Rear side bolts: 17 NVm (170 kgfVcm, 12 ftVlbf)
14. MEASURE PS VANE PUMP ROTATING TORQUE
(See page SR±27)
± STEERINGPOWER STEERING VANE PUMPSR±31

15. 2JZ±GE:
INSTALL VANE PUMP PULLEY
Using SST to stop the pulley rotating, torque the nut.
SST 09960±10010
Torque: 43 NVm (440 kgfVcm, 32 ftVlbf)
POWER STEERING VANE PUMP
INSTALLATION
1. INSTALL VANE PUMP ASSEMBLY
Torque the 2 bolts.
Torque: 58 NVm (590 kgfVcm, 42 ftVlbf)
2. CONNECT PRESSURE FEED TUBE
Using a spanner (24 mm) to hold the pressure port union,
torque the union bolt with a new gasket.
HINT: Make sure the stopper is touching the pump housing
as shown, then torque the union bolt.
Torque: 49 NVm (500 kgfVcm, 36 ftVlbf)
3. 2JZ±GTE:
INSTALL VANE PUMP PULLEY
Using SST to stop the pulley rotating, torque the nut.
SST 09960±10010
Torque: 43 NVm (440 kgfVcm, 32 ftVlbf)
4. 2JZ±GE:
CONNECT RETURN TUBE
5. 2JZ±GTE:
CONNECT OIL RESERVOIR TO PUMP HOSE
6. 2JZ±GTE:
INSTALL AIR HOSE NO.5
7. INSTALL BATTERY
8. INSTALL ENGINE UNDER COVER
Install the 10 screws. SR±32
± STEERINGPOWER STEERING VANE PUMP

POWER STEERING GEAR
COMPONENTS
± STEERINGPOWER STEERING GEARSR±33

COMPONENTS
SR±34± STEERINGPOWER STEERING GEAR

COMPONENTS
± STEERINGPOWER STEERING GEARSR±35

POWER STEERING GEAR REMOVAL
1. REMOVE ENGINE UNDER COVER
Remove the 10 screws.
2. REMOVE FR SUSPENSION MEMBER PROTECTOR
Remove the 4 bolts.
3. DISCONNECT INTERMEDIATE SHAFT
(See page SR±15)
4. DISCONNECT RH AND LH TIE ROD ENDS
(See page SA±17)
5. DISCONNECT PRESSURE FEED TUBE
Remove the union bolt and gasket.
6. DISCONNECT RETURN TUBE
Remove the union bolt and 2 gaskets.
7. DISCONNECT PPS SOLENOID CONNECTOR
8. REMOVE RACK HOUSING BRACKET AND GROMMET
Remove the 2 bolts and nuts.
9. REMOVE POWER STEERING GEAR ASSEMBLY
Remove the 2 bolts and nuts.
POWER STEERING GEAR
DISASSEMBLY
NOTICE: When using a vise, do not overtighten it.
1. SECURE PS GEAR ASSEMBLY IN VISE
Using SST, secure the gear assembly in a vise.
SST 09612±00012
2. REMOVE TURN PRESSURE TUBES
(a) Remove the 2 union bolts and 4 gaskets.
(b) Using SST, remove the 2 tubes.
SST 09633±00020
(c) Remove the 2 union seats.
3. REMOVE RH AND LH TIE ROD ENDS AND LOCK NUTS
Place matchmarks on the tie rod end and rack end and loos-
en the lock nut.
4. REMOVE RH AND LH CLIPS, RACK BOOTS AND
CLAMPS
NOTICE:
wBe careful not to damage the boot.
wMark the RH and LH boots. SR±36
± STEERINGPOWER STEERING GEAR

5. REMOVE RH AND LH RACK ENDS AND CLAW WASHERS
(a) Using a chisel and hammer, unstake the washer.
NOTICE: Avoid any impact to the steering rack.
(b) Using a spanner (22 mm) to hold the steering rack, and using
SST, remove the rack end.
SST 09922±10010
NOTICE: Use SST 09922±10010 in the direction shown in
the illustration.
6. REMOVE RACK GUIDE SPRING CAP LOCK NUT
Using SST, remove the nut.
SST 09922±10010
NOTICE: Use SST 09922±10010 in the direction shown in
the illustration.
7. REMOVE RACK GUIDE SPRING CAP, RACK GUIDE
SPRING, RACK GUIDE AND RACK GUIDE SEAT
(a) Using a hexagon wrench (24 mm), remove the cap.
(b) Remove the seat from the guide.
8. REMOVE RACK HOUSING CAP
9. REMOVE SELF±LOCKING NUT, BEARING AND SPACER
Using SST to stop the control valve shaft rotating, remove the
nut.
SST 09616±00010
10. REMOVE DUST COVER
11. REMOVE CONTROL VALVE HOUSING
(a) To prevent oil seal lip damage, wind vinyl tape on the serrated
part of the control valve shaft.
(b) Using a hexagon wrench (6 mm), remove the 2 bolts.
(c) Remove the O±ring from the housing.
± STEERINGPOWER STEERING GEARSR±37

12. REMOVE CONTROL VALVE ASSEMBLY
Using a plastic hammer, tap out the control valve.
13. REMOVE CYLINDER END STOPPER AND 2 SPACERS
Using snap ring pliers, remove the snap ring from the rack
housing.
14. REMOVE STEERING RACK AND OIL SEAL
Using an extension bar or brass bar and a press, press out
the rack.
NOTICE: Take care to not drop the rack.
15. REMOVE OIL SEAL AND SPACER
Using SST and a press, press out the oil seal and spacer.
SST 09631±12020, 09631±20031
POWER STEERING GEAR INSPECTION
AND REPLACEMENT
NOTICE: When using a vise, do not overtighten it.
1. INSPECT STEERING RACK
(a) Using a dial indicator, check the rack for runout and for teeth
wear or damage.
   Runout mm (in.)
 Maximum 0.30 mm (0.0118 in.)
SR±38± STEERINGPOWER STEERING GEAR

(b) Check the back surface for wear or damage.
2. IF NECESSARY, REPLACE BEARING AND OIL SEAL
(a) Set SST to the rack housing, as shown.
SST 09612±30012
(b) Turn A clockwise and engage the tips of C on the bearing.
(c) Using a spanner (8 mm), keep A fixed while turning nut B
clockwise, and remove the bearing.
NOTICE: Be careful not to damage the rack housing.
(d) Using SST, remove the oil seal from the rack housing.
SST 09612±30012
NOTICE: Be careful not to damage the rack housing.
HINT: When using SST, apply the tips of SST to the cutouts
in the rack housing.
(e) Coat a new oil seal lip with power steering fluid.
(f) Using SST, install the oil seal.
SST 09620±30010 (09624±30010, 09631±00020)
NOTICE: Make sure you install the oil seal facing the cor-
rect direction.
(g) Using SST and a press, press in a new bearing.
SST 09620±30010 (09626±30010, 09631±00020)
3. IF NECESSARY, REPLACE OIL SEAL AND BEARING
(a) Using SST and a press, press out the oil seal with the bearing
from the control valve housing.
SST 09620±30010 (09631±00020)
09630±24013 (09620±24010)
± STEERINGPOWER STEERING GEARSR±39