Lexus SC300 / Lexus SC400. Manual - part 813

LOWER SUSPENSION ARMS AND
STRUT ROD REMOVAL

SA1A8–01

1. 

JACK UP VEHICLE AND REMOVE REAR WHEEL

2. 

REMOVE BRAKE CALIPER AND DISC

(a)  Remove the 2 bolts and brake caliper from the axle hub.

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

3. 

REMOVE STRUT ROD

(a)  Remove the bolt and nut, disconnect the strut rod from the

rear axle carrier.

(b)  Remove the bolt and nut and the strut rod.

4. 

REMOVE NO.1 LOWER SUSPENSION ARM

(a)  Remove the nut.
(b)  Using SST, disconnect the lower suspension arm from the

axle carrier.
SST 09628–10011

NOTICE: Be careful not to damage the dust boot.

SA–118

–

SUSPENSION AND AXLE

REAR SUSPENSION

(c)  Place matchmarks on the adjusting cam and body.
(d)  Remove the adjusting cam and nut.
(e)  Remove the lower suspension arm.

5. 

REMOVE NO.2 LOWER SUSPENSION ARM

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

(b)  Remove the nut and disconnect the stabilizer bar link.

(c)  Remove the nut.
(d)  Using SST, disconnect the lower suspension arm from the

axle carrier.
SST 09610–20012

NOTICE: Be careful not to damage the dust cover.

(e)  Place matchmarks on the adjusting cam and body.
(f)  Remove adjusting cam and nut and the lower suspension

arm.

–

SUSPENSION AND AXLE

REAR SUSPENSION

SA–119

STRUT ROD BUSHING REPLACEMENT

SA0WC–01

REPLACE STRUT ROD BUSHING
Using SST, replace the strut rod bushing.
SST 09710–30020 (09710–03110, 09710–03120)

LOWER SUSPENSION ARM NO.1 AND
NO. 2 BALL JOINT INSPECTION

SA0UP–02

INSPECT BALL JOINT FOR ROTATION CONDITION

(a)  Flip the ball joint stud back and forth 5 times, before installing

the nut.

(b)  Using a torque wrench, turn the nut continuously one turn

every 2–4 seconds and take the torque reading on the 5th
turn.

Torque:

Lower suspension arm No.1

1.0 – 3.4 N

⋅

m (10 – 35 kgf

⋅

cm, 9 – 30 in.

⋅

lbf)

Lower suspension arm No.2

1.0 – 3.4 N

⋅

m (10 – 35 kgf

⋅

cm, 9 – 30 in.

⋅

lbf)

If not within specification, replace the lower suspension arm
No.1 or/and No.2.

LOWER SUSPENSION ARMS AND
STRUT ROD INSTALLATION

SA1A9–01

1. 

INSTALL NO.2 LOWER SUSPENSION ARM

(a)  Install the lower suspension arm to the carrier with a new nut.

Torque: 150 N

⋅

m (1,525 kgf

⋅

cm, 110 ft

⋅

lbf)

(b)  Connect the lower suspension arm to the body.
(c)  Temporarily install the adjusting cam and nut.
(d)  Align matchmarks on the adjusting cam and body.

SA–120

–

SUSPENSION AND AXLE

REAR SUSPENSION

(e) Temporarily 

connect the shock absorber to the lower arm with

the bolt and nut.

(f)  Connect the stabilizer bar link to the lower suspension arm

with the nut.

Torque: 74 N

⋅

m (750 kgf

⋅

cm, 54 ft

⋅

lbf)

2. 

INSTALL NO.1 LOWER SUSPENSION ARM

(a) Install 

the lower suspension arm to the axle carrier with a new

nut.

Torque: 59 N

⋅

m (600 kgf

⋅

cm, 43 ft

⋅

lbf)

(b)  Connect the lower suspension arm to the body.
(c)  Temporarily install the adjusting cam and nut.
(d)  Align the matchmarks on the adjusting cam and body.

3. 

INSTALL STRUT ROD

(a)  Temporarily install the strut rod to the body with the bolt and

nut.

–

SUSPENSION AND AXLE

REAR SUSPENSION

SA–121