Lexus SC300 / Lexus SC400. Manual — part 760

15. REMOVE 3 TENSION SPRINGS

16. REMOVE TILT LEVER RETAINERS
(a) Using a hexagon wrench to hold the tilt memory bolt, remove

the nut.

(b) Remove the nut and washer.
(c) Pull out the bolt.
(d) Remove the 2 E–rings and the spacer from the tilt lever lock

shaft.

(e) Remove the 2 nuts from the tilt steering bolts.
(f)

Remove the 2 tilt lever retainers.

(g) Remove the collar from the tilt memory bolt.

17. REMOVE RH TILT PAWL, PAWL STOPPER AND TILT

LEVER

18. REMOVE LH TILT PAWL, PAWL STOPPER, TILT SUB

LEVER, TILT LEVER ASSEMBLY AND TILT LEVER LOCK
SHAFT

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STEERING

STEERING COLUMN

SR–17

19. REMOVE UPPER COLUMN TUBE
(a) Set SST, the nut (10 mm diameter, 1.25 mm pitch), plate

washer (36 mm outer diameter) and bolt (10 mm diameter,
1.25 mm pitch, 50 mm length), as shown.
And then remove the 2 tilt steering bolts.
SST 09910–00015 (09911–00011, 09912–00010)
(Reference)
Nut 90170–10004
Plate washer 90201–10201
Bolt 91111–51050

(b) Remove the upper column tube from the lower column tube.

20. REMOVE TILT

MEMORY

BOLT

Using a hexagon wrench, remove the tilt memory bolt and
square nut.

21. REMOVE MAIN SHAFT ASSEMBLY
(a) Secure the column upper tube in a vise.

NOTICE: Do not tighten the vise too tight.

(b) Using SST, compress the compression spring.

SST 09950–20017 (09956–00010)

(c) Using snap ring pliers, remove the snap ring.

SR–18

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STEERING

STEERING COLUMN

(b) Remove the main shaft from the column tube.
(c) Remove the spring, thrust collar and bearing.

STEERING COLUMN INSPECTION AND
REPLACEMENT

SR0ES–03

1.

INSPECT KEY CYLINDER
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 thin rod, 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 UPPER BEARING
Check the upper bearing rotation condition and check for ab-
normal noise.
If the bearing is worn or damaged, replace the column upper
tube.

STEERING COLUMN ASSEMBLY

SR0ET–04

1. APPLY MOLYBDENUM DISULPHIDE LITHIUM BASE

GREASE (See page

SR–12

)

2.

INSTALL MAIN SHAFT

(a) Install the bearing, thrust collar and spring to the main shaft.
(b) Install the main shaft into the upper column tube.

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STEERING

STEERING COLUMN

SR–19

(c) Using SST to compress the compression spring.

SST 09950–20017 (09956–00010)

(d) Using snap ring pliers, install a new snap ring.

3. INSTALL

TILT

MEMORY

BOLT

(a) Install the square nut and tilt memory bolt.
(b) Using a hexagon wrench, torque the tilt memory bolt.

Torque: 6.4 N

⋅

m (65 kgf

⋅

cm, 56 in.

⋅

lbf)

4.

SELECT TILT STEERING BOLTS
Select the bolt with the plain thread end when the upper col-
umn tube mark is 2, and the bolt with the hollow–tipped
thread end when the mark is 1.

5.

INSTALL MAIN SHAFT WITH UPPER COLUMN TUBE

(a) Install the main shaft with the upper column tube into the

lower column tube.

(b) Using a vise, press in the 2 tilt steering bolts.

HINT: Make sure the upper tube turns smoothly.

SR–20

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STEERING

STEERING COLUMN