Subaru Legacy III (2000-2003 year). Service manual — part 653

FS-24

FRONT SUSPENSION

GENERAL DIAGNOSTIC TABLE

9. General Diagnostic Table

A: INSPECTION

1. IMPROPER VEHICLE POSTURE OR IMPROPER WHEEL ARCH HEIGHT

2. POOR RIDE COMFORT

1) Large rebound shock
2) Rocking of vehicle continues too long after running over bump and/or hump.
3) Large shock in bumping

3. NOISE

Possible causes

Countermeasures

(1) Permanent distortion or breakage of coil spring

Replace.

(2) Unsmooth operation of damper strut and/or shock absorber

Replace.

(3) Installation of wrong strut and/or shock absorber

Replace with proper parts.

(4) Installation of wrong coil spring

Replace with proper parts.

Possible causes

Countermeasures

(1) Breakage of coil spring

Replace.

(2) Overinflation pressure of tire

Adjust.

(3) Improper wheel arch height

Adjust or replace coil springs with new ones.

(4) Fault in operation of damper strut and/or shock absorber

Replace.

(5) Damage or deformation of strut mount and/or shock absorber mount

Replace.

(6) Unsuitability of maximum and/or minimum length of damper strut and/or
shock absorber

Replace with proper parts.

(7) Deformation or loss of bushing

Replace.

(8) Deformation or damage of helper in strut assembly and/or shock
absorber

Replace.

(9) Oil leakage of damper strut and/or shock absorber

Replace.

Possible causes

Countermeasures

(1) Wear or damage of damper strut and/or shock absorber component
parts

Replace.

(2) Loosening of suspension link installing bolt

Retighten to the specified torque.

(3) Deformation or loss of bushing

Replace.

(4) Unsuitability of maximum and/or minimum length of damper strut and/or
shock absorber

Replace with proper parts.

(5) Breakage of coil spring

Replace.

(6) Wear or damage of ball joint

Replace.

(7) Deformation of stabilizer clamp

Replace.

REAR SUSPENSION

RS

Page

1.

General Description . . . . . . . . . . . . . . . . . . . . . 2

2.

Wheel Alignment . . . . . . . . . . . . . . . . . . . . . . .8

3.

Rear Stabilizer. . . . . . . . . . . . . . . . . . . . . . . .9

4.

Rear Arm. . . . . . . . . . . . . . . . . . . . . . . . ...10

5.

Link Upper. . . . . . . . . . . . . . . . . . . . . . . . .14

6.

Rear Shock Absorber . . . . . . . . . . . . . . . . . . . . 16

7.

Link Front . . . . . . . . . . . . . . . . . . . . . . . . ..18

8.

Link Rear. . . . . . . . . . . . . . . . . . . . . . . . ...19

9.

Support Sub Frame Front . . . . . . . . . . . . . . . . . . .21

10.

Rear Sub Frame. . . . . . . . . . . . . . . . . . . . . . 22

11.

Helper. . . . . . . . . . . . . . . . . . . . . . . . . . 23

12.

General Diagnostic Table. . . . . . . . . . . . . . . . . . ..24

RS-2

REAR SUSPENSION

GENERAL DESCRIPTION

1. General Description

A: SPECIFICATIONS

NOTE:
• Front and rear toe-in and front camber can be adjusted. If toe-in or camber tolerance exceeds specifica-
tions, adjust toe-in and camber to the middle value of specification.
• The other items indicated in the specification table cannot be adjusted. If the other items exceed specifi-
cations, check suspension parts and connections for deformities; replace with new ones as required.

Model

Sedan

Wagon

OUTBACK

TURBO

2.0 L

2.0 L

2.5 L

Except

Australia

Australia

Australia

Rear

Camber (Tolerance:

±

0

°

45

′

)

−

0

°

30

′

−

0

°

20

′

−

0

°

10

′

−

0

°

45

′

Toe-in

0

±

3 mm (0

±

0.12 in) Each toe angle:

±

0

°

15

′

Thrust angle

0

°±

30

′

Wheel arch height
[Tolerance: +12/

−

24 mm (+0.47/

−

0.94 in)]

371 mm

(14.61 in)

381 mm

(14.99 in)

421 mm

(16.57 in)

431 mm

(16.97 in)

361 mm

(14.21 in)

Diameter of stabilizer

14 mm

(0.55 in)

15 mm

(0.59 in)

14 mm

(0.55 in)

14 mm

(0.55 in)

17 mm

(0.67 in)

RS-00001

A

B

2

1

( 1 )

(1) Front

A

−

B = Positive: Toe-in, Negative: Toe-out

α

1,

α

2: Each toe-in angle

RS-3

REAR SUSPENSION

GENERAL DESCRIPTION

B: COMPONENT

1. REAR SUSPENSION

(1) Shock absorber

(15) Hub bearing unit

Tightening torque: N·m (kgf-m, ft-lb)

(2) Self-locking nut

(16) Helper

T1: 30 (3.1, 22.4)

(3) Stabilizer

(17) Link upper

T2: 32 (3.3, 24)

(4) Stabilizer bushing

(18) Link upper bushing (Inside)

T3: 40 (4.1, 30)

(5) Clamp

(19) Link upper bushing (Outside)

T4: 44 (4.5, 32.5)

(6) Stabilizer link

(20) Link front

T5: 65 (6.6, 48)

(7) Link rear

(21) Rear sub frame

T6: 80 (8.2, 59)

(8) Adjusting bolt

(22) Support sub frame (RH)

T7: 120 (12.2, 88)

(9) Link rear bushing

(23) Support sub frame (LH)

T8: 150 (15.3, 111)

(10) Adjusting washer

(24) Stopper upper (Except OUTBACK

model)

T9: 160 (16.3, 118)

(11) Rear arm

T10: 175 (17.8, 129)

(12) Rear arm rear bushing

(25) Stopper upper (OUTBACK

MODEL)

(13) Rear arm front bushing

(14) Rear arm bracket

(26) Support sub frame front

RS-00036

( 1 )

( 2 )

( 2 )

( 2 )

( 2 )

( 2 )

( 2 )

( 2 )

( 2 )

( 2 )

( 2 )

( 3 )

( 4 )

( 5 )

( 6 )

( 7 )

( 8 )

( 9 )

(10)

(11)

(12)

(13)

(14)

(15)

(16)

(17)

(18)

(19)

(20)

(21)

(22)

(23)

(24)

(25)

(24)

(25)

(26)

T7

T7

T6

T10

T8

T5

T7

T7

T2

T10

T7

T5

T5

T9

T1

T3

T4