TOYOTA SUPRA 1997 Service Repair Manual

R07283
A
B
Matchmarks SR-12
- STEERINGTILT STEERING COLUMN
1896 Author
: Date
:
1997 SUPRA (RM502U)
4. REMOVE THESE PARTS:
(See page BO-54)
(a) Console upper panel
(b) Cluster finish panel
(c) Cluster finish panel RH
(d) Cluster finish panel LH
(e) Cluster finish center panel
(f) Finish panel
(g) Finish lower LH panel
(h) Heater to register No.2 duct
5. REMOVE COMBINATION SWITCH WITH SPIRAL
CABLE
(a) Remove the 4 screws.
(b) Disconnect the connectors and airbag connector.
6. REMOVE SPIRAL CABLE
(See page BE-16)
NOTICE:
Do not disassemble the cable or apply oil to it.
7. DISCONNECT INTERMEDIATE SHAFT
(a) Place matchmarks on the intermediate shaft and control
valve shaft.
(b) Loosen bolt B and remove bolt A.
8. REMOVE STEERING COLUMN ASSEMBLY
(a) Remove the brake pedal return spring.
(b) Disconnect the connectors.
(c) Loosen the hole cover clamp.
(d) Remove the 4 column assembly set nuts.

SR13Z-01
R07558
Matchmarks
R07559
Screw
Extractor
- STEERINGTILT STEERING COLUMN
SR-13
1897 Author
: Date
:
1997 SUPRA (RM502U)
DISASSEMBLY
NOTICE:
When using a vise, do not overtighten it.
1. REMOVE IGNITION KEY CYLINDER ILLUMINATION
2. REMOVE INTERMEDIATE SHAFT
Remove the bolt.
3. REMOVE SLIDING YOKE AND SHAFT THRUST STOP-
PER
(a) Remove the bolt.
(b) Shift the stopper.
(c) Place matchmarks on the sliding yoke and main shaft.
4. REMOVE COLUMN LOWER COVER
Loosen the clamp.
5. REMOVE COLUMN UPPER BRACKET AND COLUMN
UPPER CLAMP
(a) Using a centering punch, mark the center of the 2 ta-
pered-head bolts.
(b) Using a 4 - 5 mm (0.16 - 0.20 in.) drill, drill into the 2 ta-
pered-head bolts.
(c) Using a screw extractor, remove the 2 tapered-head
bolts.
6. REMOVE WIRING HARNESS CLAMP AND COLUMN
PROTECTOR
Remove the 2 screws.
7. REMOVE COMPRESSION SPRING
(a) Using a torx socket wrench, remove the screw.
(b) Remove the 2 bushings from the spring.
8. REMOVE 3 TENSION SPRINGS
9. REMOVE STEERING DAMPER
Remove the 2 bolts.
10. REMOVE TURN SIGNAL BRACKET
Remove the 2 bolts.

Z13448
Hexagon
Wrench
R09495
Nut
Bolt
SST Plate WasherTilt No.2 Bolt
R09496
SST
SST SR-14
- STEERINGTILT STEERING COLUMN
1898 Author
: Date
:
1997 SUPRA (RM502U)
11. Tilt Lever Side:
REMOVE TILT LEVER RETAINER
Remove the nut and E-ring.
12. Tilt Sub Lever Side:
REMOVE TILT LEVER RETAINER
(a) Using a hexagon wrench (4 mm) to hold the tilt memory
bolt, remove the nut.
(b) Remove the nut, washer and bolt.
(c) Remove the nut, E-ring and spacer.
(d) Remove the collar.
(e) Temporarily install the bolt, washer and nut.
13. REMOVE 2 TILT PAWL STOPPERS
14. REMOVE 2 TILT PAWLS
(a) Remove the bolt, nut and washer.
(b) Remove the tilt lever assembly set bolt.
15. REMOVE TILT LEVER, TILT SUB LEVER, TILT LEVER
ASSEMBLY AND TILT LEVER LOCK SHAFT
16. REMOVE TILT MEMORY BOLT AND SQUARE NUT
Using a hexagon wrench (4 mm), remove the bolt.
17. REMOVE COLUMN UPPER TUBE WITH MAIN SHAFT
ASSEMBLY
(a) Set SST, the nut (10 mm nominal diameter, 1.25 mm
pitch), plate washer (36 mm outer diameter) and bolt (10
mm nominal diameter, 1.25 mm pitch, 50 mm length) to
the tilt No.2 bolt, as shown.
SST 09910-00015 (09911-0001 1, 09912-00010)
Reference:
Nut 90170-10004
Plate washer 90201-10201
Bolt 91111-51050
(b) Remove the 2 tilt No.2 bolts by using the sliding hammer
on SST.
(c) Remove the upper tube with the shaft assembly from the
column lower tube.
18. REMOVE MAIN SHAFT ASSEMBLY
(a) Using SST, compress the compression spring.
SST 09950-40010 (09957-04010, 09958-04010)
NOTICE:
Do not bend the universal joint of the main shaft assembly
more than 20°.
(b) Using a snap ring expander, remove the snap ring.
(c) Remove the main shaft assembly from the upper tube.
(d) Remove the compression spring, thrust collar and bear-
ing from the main shaft.

- STEERINGTILT STEERING COLUMN
SR-15
1899 Author
: Date
:
1997 SUPRA (RM502U)
19. REMOVE MAIN SHAFT COLLAR AND MAIN SHAFT
BUSHING STOPPER

SR140-01
R11204
R11203
Screwdriver
Key Cylinder
R01835
SR-16
- STEERINGTILT STEERING COLUMN
1900 Author
: Date
:
1997 SUPRA (RM502U)
INSPECTION
1. INSPECT COLUMN UPPER BRACKET
Check that the steering lock mechanism operates properly.
2. IF NECESSARY, REPLACE KEY CYLINDER
(a) Place the ignition key at the ACC position.
(b) Push down the stop pin with a screwdriver and pull out the
key cylinder.
(c) Install a new key cylinder.
HINT:
Make sure the ignition key is at the ACC position.
3. INSPECT IGNITION SWITCH
(See page BE-13)
4. IF NECESSARY, REPLACE IGNITION SWITCH
(a) Remove the 2 screws.
(b) Install new switch with the 2 screws.
5. INSPECT KEY UNLOCK WARNING SWITCH
(See page BE-13)
6. A/T:
INSPECT KEY INTERLOCK SOLENOID
(See page AT-17, AT-15)
7. IF NECESSARY, REPLACE KEY UNLOCK WARNING
SWITCH
(a) Remove the 2 screws.
(b) Install a new switch with the 2 screws.
8. A/T:
IF NECESSARY, REPLACE KEY INTERLOCK SOLE-
NOID WITH KEY UNLOCK WARNING SWITCH
(a) Remove the 4 screws.
(b) Install a new solenoid and warning switch with the 4
screws.
9. IF NECESSARY, REPLACE BUSHING
(a) Using a screwdriver, depress the 3 projections on the bus-
ing and remove the bushing from the column lower tube.
(b) Align the projections on a new bushing with the holes in
the lower tube. Install the bushing until the projections are
firmly engaged in the holes in the lower tube.

SR141-01
R09496
SST
SST
R07549Hollow-T ipped
- STEERINGTILT STEERING COLUMN
SR-17
1901 Author
: Date
:
1997 SUPRA (RM502U)
REASSEMBLY
NOTICE:
When using a vise, do not overtighten it.
1. COAT MOLYBDENUM DISULFIDE LITHIUM BASE
GREASE
(See page SR-9)
2. INSTALL MAIN SHAFT BUSHING STOPPER AND
MAIN SHAFT COLLAR
3. INSTALL MAIN SHAFT ASSEMBLY
(a) Install a new bearing.
(b) Install the thrust collar and compression spring to the
shaft assembly.
(c) Install the main shaft into the column upper tube.
(d) Using SST, compress the compression spring.
SST 09950-40010 (09957-04010, 09958-04010)
NOTICE:
Do not bend the universal joint of the main shaft assembly
more than 20°.
(e) Using a snap ring expander, install a new snap ring.
4. SELECT 2 TILT NO.2 BOLTS
Select the bolt with the hollow-tipped thread end when the col-
umn upper tube mark is 1, and the bolt with the plain thread end
when the mark is 2.
NOTICE:
Select the bolt type to match each number marked in the
squares on the upper tube.
5. INSTALL COLUMN UPPER TUBE WITH MAIN SHAFT
ASSEMBLY
(a) Install the upper tube with the shaft assembly into the low-
er tube.

R07550
Z13449
Nut
Bolt
R07552
SR-18
- STEERINGTILT STEERING COLUMN
1902 Author
: Date
:
1997 SUPRA (RM502U)
(b) Using a vise, press in the 2 tilt No.2 bolts.
6. INSTALL TILT MEMORY BOLT AND SQUARE NUT
(a) Apply sealant to 2 or 3 threads of the bolt.
Sealant:
Part No. 08833-00080, THREE BOND 1344,
LOCTITE 242 or equivalent.
(b) Using a hexagon wrench (4 mm), install the shorter side
of the bolt to the nut.
Torque: 6.4 N´m (65 kgf´cm, 56 in.´lbf)
7. INSTALL TILT LEVER LOCK SHAFT, TILT LEVER AS-
SEMBLY, TILT SUB LEVER AND TILT LEVER
Temporarily tighten the tilt lever assembly set bolt.
8. INSTALL 2 TILT PAWLS
(a) Temporarily install the bolt, washer and nut.
HINT:
Install the pin of the pawl into the long hole of the tilt lever / tilt
sub lever.
(b) Torque the tilt lever assembly set bolt.
Torque: 4.7 N´m (48 kgf´cm, 42 in.´lbf)
9. ENGAGE AND ADJUST 2 TILT PAWLS
(a) Engage the tilt sub lever side pawl to the center of the
ratchet.
(b) Using a spanner (17 mm), while turning the collar, com-
pletely engage the tilt lever side pawl to the ratchet.
NOTICE:

Do not turn the collar after the tilt lever side pawl is en-
gaged.

Keep the bolt and nut temporarily tightened.

Z16582
Tilt Pawl Stopper Tilt Pawl Alignment Marks
R07555
- STEERINGTILT STEERING COLUMN
SR-19
1903 Author
: Date
:
1997 SUPRA (RM502U)
10. SELECT 2 TILT PAWL STOPPERS
(a) With the tilt pawl and ratchet engaged, install the stopper.
(b) Check that the alignment marks on the stopper and pawl
align when the stopper is lightly rotated to the pawl side.
(c) If the alignment marks do not align, select pawl stoppers
according to the following table.
Tilt sub lever sideTilt lever sideDimension ºAº
mm (in.)
1A12.68 - 12.74
(0.4992 - 0.5016)
2B12.61 - 12.67
(0.4965 - 0.4988)
3C12.54 - 12.60
(0.4937 - 0.4961)
4D12.47 - 12.53
(0.4909 - 0.4933)
5E12.40 - 12.46
(0.4882 - 0.4906)
6F12.33 - 12.39
(0.4854 - 0.4878)
7G12.26 - 12.32
(0.4827 - 0.4850)
(d) After selecting the stopper, check that on both sides the
pawl and ratchet are fully engaged.
11. INSTALL 2 TILT PAWL STOPPERS
12. Tilt Sub Lever Side:
INSTALL TILT LEVER RETAINER
(a) Remove the bolt and nut.
NOTICE:
Take care not to turn the collar of the tilt sub lever side pawl.
(b) Install the collar to the tilt memory bolt.
(c) Install the retainer.
(d) Install the bolt and washer, and torque the nut.
HINT:
Install the bolt so that the groove in the bolt shaft faces upward.
Torque: 5.9 N´m (60 kgf´cm, 52 in.´lbf)
(e) Torque the nut of the tilt No.2 bolt side.
Torque: 15 N´m (150 kgf´cm, 11 ft´lbf)
(f) Torque the nut of the memory bolt side.
Torque: 5.9 N´m (60 kgf´cm, 52 in.´lbf)
(g) Install the spacer and a new E-ring.
13. Tilt Lever Side:
INSTALL TILT LEVER RETAINER
(a) Torque the nut.
Torque: 15 N´m (150 kgf´cm, 11 ft´lbf)

R07557
SR-20
- STEERINGTILT STEERING COLUMN
1904 Author
: Date
:
1997 SUPRA (RM502U)
(b) Install a new E-ring.
14. INSTALL TURN SIGNAL BRACKET
(a) Apply sealant to 2 or 3 threads of the 2 bolts.
Sealant:
Part No. 08833-00080, THREE BOND 1344,
LOCTITE 242 or equivalent.
(b) Torque the 2 bolts.
Torque: 8.8 N´m (90 kgf´cm, 78 in.´lbf)
15. INSTALL STEERING DAMPER
Torque the 2 bolts.
16. INSTALL 3 TENSION SPRINGS
17. INSTALL COMPRESSION SPRING
(a) Install the 2 bushings to the spring.
(b) Apply sealant to 2 or 3 threads of the torx screw.
Sealant:
Part No. 08833-00080, THREE BOND 1344,
LOCTITE 242 or equivalent.
(c) Using a torx socket wrench, torque the screw.
Torque: 6.4 N´m (65 kgf´cm, 56 in.´lbf)
18. INSTALL COLUMN PROTECTOR AND WIRING HAR-
NESS CLAMP
Tighten the 2 screws.
19. INSTALL COLUMN UPPER BRACKET AND COLUMN
UPPER CLAMP
Tighten 2 new tapered-head bolts until the bolt head breaks off.
20. INSTALL COLUMN LOWER COVER
Tighten the clamp.
21. INSTALL SHAFT THRUST STOPPER AND SLIDING
YOKE
(a) Align the matchmarks on the yoke and main shaft.
(b) Torque the bolt.
Torque: 35 N´m (360 kgf´cm, 26 ft´lbf)
22. INSTALL INTERMEDIATE SHAFT
Temporarily tighten the bolt.
23. INSTALL IGNITION KEY CYLINDER ILLUMINATION
24. CHECK TILT OPERATION

SR142-01
W02982
R07283
Matchmarks A
B
R05740
Red Mark
- STEERINGTILT STEERING COLUMN
SR-21
1905 Author
: Date
:
1997 SUPRA (RM502U)
INSTALLATION
1. INSTALL STEERING COLUMN ASSEMBLY
(a) Torque the 4 column assembly set nuts.
Torque: 25 N´m (260 kgf´cm, 19 ft´lbf)
(b) Connect the connectors.
(c) Install the brake pedal return spring.
(d) Tighten the hole cover clamp.
2. CONNECT INTERMEDIATE SHAFT
(a) Align the matchmarks on the intermediate shaft and con-
trol valve shaft.
(b) Torque the bolt A.
Torque: 35 N´m (360 kgf´cm, 26 ft´lbf)
(c) Torque the bolt B.
Torque: 35 N´m (360 kgf´cm, 26 ft´lbf)
3. INSTALL SPIRAL CABLE
(See page BE-16)
4. INSTALL COMBINATION SWITCH WITH SPIRAL
CABLE
(a) Tighten the 4 screws.
(b) Connect the connectors and airbag connector.
5. INSTALL THESE PARTS:
(See page BO-59)
(a) Heater to Register No.2 duct
(b) Finish lower LH panel
(c) Finish panel
(d) Cluster finish center panel
(e) Cluster finish panel LH
(f) Cluster finish panel RH
(g) Cluster finish panel
(h) Console upper panel
6. INSTALL COLUMN UPPER AND LOWER COVERS
Tighten the 5 screws.
7. CENTER SPIRAL CABLE
(a) Check that the front wheels are facing straight ahead.
(b) Turn the spiral cable counterclockwise by hand until it be-
comes harder to turn the cable.
(c) Rotate the spiral cable clockwise about 3 turns to align the
marks.
HINT:
The spiral cable will rotate about 3 turns to either left or right of
the center.