Lexus SC300 / Lexus SC400. Manual — part 763
STEERING COLUMN DISASSEMBLY
SR0EL–04
NOTICE: When placing the breakaway bracket in a vise during
disassembly or assembly of the steering column, use alumi-
num, etc. to prevent scratches to the tip of the capsule.
1.
REMOVE IGNITION KEY CYLINDER ILLUMINATION
2.
REMOVE SLIDING YOKE
Place matchmarks on the sliding yoke and main shaft.
3.
REMOVE LOWER DUST COVER
(a) Remove the clip and dust cover.
(b) Using a screwdriver, remove the dust seal.
4.
REMOVE TELESCOPIC POSITION SENSOR PLATE
5.
REMOVE TILT AND TELESCOPIC POSITION SENSORS
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STEERING
STEERING COLUMN
SR–29
6.
REMOVE TURN SIGNAL BRACKET
7.
REMOVE NO. 1 PROTECTOR AND NO. 2 PROTECTOR
8. REMOVE
CONNECTOR
BRACKET
9.
REMOVE UPPER BRACKET
(a) Using a centering punch, mark the center of the 2
tapered–head bolts.
(b) Using a 4–5 mm (0.16–0.20 in.) drill, drill into the 2
tapered–head bolts.
(c) Using a screw extractor, remove the 2 tapered–head bolts.
(d) Remove the bracket and column upper camp.
SR–30
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STEERING
STEERING COLUMN
10. REMOVE TILT STEERING GEAR ASSEMBLY WITH
MOTOR
(a) Remove the 2 nuts, spacers, springs, bushings and bond
cable.
(b) Set
SST
and plate
washer
(36
mm
outer
diameter),
as
shown, and then remove the 2 No. 2 tilt steering shafts.
SST 09213–54015 (09214–00030)
09910–00015 (09911–00011, 09912–00010)
(Reference) Plate washer
…
90201–10201
(c) Remove the tilt steering gear assembly.
(d) Remove the 2 bushings and support stopper bolts.
11. REMOVE COLUMN UPPER TUBE WITH MAIN SHAFT
(a) Set SST and plate washer (36 mm outer diameter), as
shown, and then remove the 2 tilt steering shafts.
SST 09213–54015 (09214–00030)
09910–00015 (09911–00011, 09912–00010)
(Reference) Plate washer
…
90201–10201
(b) Using snap ring pliers, remove the snap ring from the main
shaft.
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STEERING
STEERING COLUMN
SR–31
(c) Remove the upper tube and main shaft from the lower tube.
12. REMOVE TILT STEERING HOUSING SUPPORT
13. 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.
(b) Remove the main shaft from the upper tube.
(c) Remove the spring, thrust collar and bearing.
STEERING COLUMN INSPECTION AND
REPLACEMENT
SR0EM–03
1.
INSPECT KEY CYLINDER
Check that the steering lock mechanism operates properly.
SR–32
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STEERING
STEERING COLUMN
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