Lexus SC300 / Lexus SC400. Manual - part 823

FRONT SHOCK ABSORBER REMOVAL

SA0RN–04

1. 

JACK UP VEHICLE AND REMOVE FRONT WHEEL

2. REMOVE 

BRAKE 

CALIPER

(a)  Remove the 2 bolts and caliper from the steering knuckle.

(b)  Hang up the brake caliper using wire, etc.

3. 

REMOVE FRONT FENDER SPLUSH SHIELD

4. 

LH side only:
MOVE WASHER TANK

(a)  Remove the bolt.

(b)  Remove the bolt and move the washer tank away from the

body.

5. DISCONNECT 

ABS 

SPEED 

SENSOR 

AND 

WIRE

HARNESS

(a)  Remove the bolt and disconnect the speed sensor from the

steering knuckle.

SA–28

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SUSPENSION AND AXLE

FRONT SUSPENSION

(b)  Remove the 3 bolts and disconnect the wire harness clamp

to prevent the wire harness being damaged when removing
or installing the through bolt.

6. 

LOOSEN PISTON ROD LOCK NUT

(a)  Remove the plug from the support.
(b)  Loosen the lock nut in the middle of the suspension support.

NOTICE: Only loosen the nut, do not remove it.

7. 

DISCONNECT UPPER SUSPENSION ARM

(a)  Remove the bolt and nut and disconnect the upper

suspension arm from the member.

(b)  Hang up the upper suspension arm using wire, etc.

8. 

REMOVE SHOCK ABSORBER

(a)  Remove the bolt and nut and disconnect the shock absorber

from the lower suspension arm.

–

SUSPENSION AND AXLE

FRONT SUSPENSION

SA–29

(b)  Remove 3 nuts and shock absorber from the body.

FRONT SHOCK ABSORBER
DISASSEMBLY

SA0RP–04

1. 

REMOVE SUSPENSION SUPPORT AND COIL SPRING

(a)  Using SST, compress the coil spring.

SST 09727–30020
NOTICE: Do not use an impact wrench.
It will damage the SST.

(b)  Remove the suspension support center nut.

(c)  Remove the suspension support, coil spring and spring

bumper.

2. 

REMOVE INSULATOR FROM SUSPENSION SUPPORT

SA–30

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SUSPENSION AND AXLE

FRONT SUSPENSION

FRONT SHOCK ABSORBER
INSPECTION

SA0RQ–03

INSPECT SHOCK ABSORBER
Compress and extend the shock absorber rod and check that
there is no abnormal resistance or unusual operation
sounds.
If there is any abnormality, replace the shock absorber with
a new one.
NOTICE: When discarding the shock absorber, use the
following procedure.

FRONT SHOCK ABSORBER DISPOSAL

SA0RR–03

1. 

FULLY EXTEND SHOCK ABSORBER ROD

2. 

DRILL HOLE TO REMOVE GAS FROM CYLINDER
Using a drill, make a hole in the cylinder, as shown to remove
the gas inside.
CAUTION: The gas coming out is harmless, but be care-
ful of chips which may fly up when drilling.

FRONT SHOCK ABSORBER ASSEMBLY

SA0RS–05

1. 

INSTALL INSULATOR TO SUSPENSION SUPPORT
HINT: Match the bolt of the suspension support with the cut–
out part of the insulator.

2. 

INSTALL SPRING BUMPER TO SHOCK ABSORBER

3. 

INSTALL COIL SPRING TO SHOCK ABSORBER

(a)  Using SST, compress the coil spring.

SST 09727–30020
NOTICE: Do not use an impact wrench.
It will damage the SST.

–

SUSPENSION AND AXLE

FRONT SUSPENSION

SA–31