Subaru Legacy IV (2008 year). Manual - part 847

RS-10

Rear Arm

REAR SUSPENSION

11) Remove the nuts which hold the rear arm to
bracket. Remove the bolts and then remove the
rear frame bracket.

12) Loosen the nut which holds the front link to the
rear arm.

13) Loosen the nut which holds the rear link to the
rear arm.

14) Loosen the nut which holds the upper link to the
rear arm.

15) Remove the bolt which secures the rear arm to
the link, and then remove the rear arm.

B: INSTALLATION

CAUTION:
Use a new bolt and self-locking nut. For parts
which are not reusable, refer to COMPONENT.
<Ref. to RS-3, REAR SUSPENSION, COMPO-
NENT, General Description.>
1) Support the rear arm using a transmission jack.
2) Install the rear arm and temporarily tighten the
bolts which hold the rear arm to the link.
3) Install the bearing unit.
<Ref. to DS-20, INSTALLATION, Rear Hub Unit
Bearing.>
4) Install the bolts which secure the ABS wheel
speed sensor to rear arm.
5) Install the bolts which secure the brake hose to
the rear arm.
6) Install bolts which secure the parking brake ca-
ble clamp to the rear arm bracket.
7) Set the vehicle equipped jack upside down, be-
tween the rear link and sub frame. Align the loca-
tion of the jack, and with the rear shock absorber
and rear arm attachment locations matched, tem-
porarily tighten the bolt and nut.

CAUTION:
Protect the rear link and sub frame from being
damaged by putting a waste cloth between the
contact surface with the jack.

8) Support the rear arm horizontally using a trans-
mission jack.

RS-00118

RS-00048

RS-00049

RS-00050

RS-00051

RS-11

Rear Arm

REAR SUSPENSION

9) Tighten the nuts and bolts which hold the rear
arm, front link, rear link, upper link and shock ab-
sorber.

NOTE:
Always tighten the bushing in the state where the
vehicle is at curb weight and the wheels are in full
contact with the ground.

10) Install the sub frame support arm.

Tightening torque:

Refer to COMPONENT of General Description 
for the tightening torque. <Ref. to RS-3, 
REAR SUSPENSION, COMPONENT, General 
Description.>

11) Inspect the wheel alignment and adjust if nec-
essary.

C: DISASSEMBLY

1. FRONT BUSHING

1) Set the ST A with the larger side of its inner di-
ameter turned upward.
2) Set the rear arm with the protruding side of bush-
ing turned upward.
3) Place the ST B on bushing, and push the bush-
ing out.
ST A

20099AE020

INSTALLER & REMOVER
SET

ST B

20099AE020

INSTALLER & REMOVER 
SET

2. REAR BUSHING

Using the ST C and bearing puller, press the rear
bushing out.
ST C

20099AE040

INSTALLER & REMOVER 
SET

(1) Rear arm

(2) Transmission jack

RS-00052

(1)

(2)

(1) Bushing

(1) Bearing puller

RS-00119

(1)

ST-B

ST-A

RS-00054

ST-C

(1)

RS-12

Rear Arm

REAR SUSPENSION

D: ASSEMBLY

1. FRONT BUSHING

1) Set the ST A with the larger side of its inner di-
ameter turned upward.
2) Set the rear arm with the vehicle inner side of
arm turned downward.
3) Place the bushing on rear arm as shown in the
figure.
4) Place the ST B on the bushing, and press-fit until
each edge surface of bushing and rear arm is
aligned.
ST A

20099AE020

INSTALLER & REMOVER
SET

ST B

20099AE020

INSTALLER & REMOVER
SET

2. REAR BUSHING

1) Insert the bushing into the bore of ST D.
2) Set the ST C, ST D and bearing puller in the
specified positions as shown in the figure, and then
press-fit the bushing until the outer end of bushing
and rear end of rear arm is flat.
ST C

20099AE040

INSTALLER & REMOVER
SET

ST D

20099AE040

INSTALLER & REMOVER
SET

E: INSPECTION

Check the rear arm for bending, corrosion or dam-
age.

(1) 0

r5°

(2) Rubber protrusion: Assemble with the 

rubber protrusion side facing the arm 
inner side.

RS-00221

ST-B

ST-A

(1)

(2)

RS-00056

ST-C

ST-D

RS-13

Upper Link

REAR SUSPENSION

5. Upper Link

A: REMOVAL

1) Lift up the vehicle, and then remove the rear
wheels.
2) Support the rear arm horizontally using a trans-
mission jack.

3) Remove the bolt which secures the upper link to
sub frame.

4) Remove the bolts which secure the upper link to
the rear arm, and then remove the upper link.

B: INSTALLATION

1) Support the rear arm horizontally using a trans-
mission jack.
2) Using new self-locking nuts, install the upper
link.

NOTE:
Inspect the wheel alignment and adjust if neces-
sary.

Tightening torque:

Upper link-to-Sub frame

57 N·m (5.8 kgf-m, 42 ft-lb)

Upper link-to-Rear arm

65 N·m (6.6 kgf-m, 48 ft-lb)

C: DISASSEMBLY

Using the ST, press the bushing out.
ST

20099AE010

INSTALLER & REMOVER

(1) Rear arm

(2) Transmission jack

RS-00052

(1)

(2)

RS-00058

RS-00059

(1) Rear arm

(2) Transmission jack

RS-00052

(1)

(2)

RS-00061

ST