Subaru Legacy IV (2008 year). Manual - part 850

RS-22

Helper

REAR SUSPENSION

11.Helper

A: REMOVAL

1) Lift up the vehicle, and then remove the rear
wheels.
2) Remove the helper using the ST.
ST

20099AE030

HELPER SOCKET WRENCH

B: INSTALLATION

Install in the reverse order of removal.

Tightening torque:

32 N·m (3.3 kgf-m, 24 ft-lb)

C: INSPECTION

Check the helper for major cracks or damages.

RS-00087

ST

RS-23

General Diagnostic Table

REAR SUSPENSION

12.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 the vehicle continues too long after running over bump and hump.
3) Excessive shock in bumping

3. NOISE

Possible cause

Corrective action

(1) Permanent distortion or damaged coil spring

Replace.

(2) Rough operation of strut or shock absorber

Replace.

(3) Installation of the wrong strut or shock absorber

Replace with proper parts.

(4) Installation of the wrong coil spring

Replace with proper parts.

Possible cause

Corrective action

(1) Damaged coil spring

Replace.

(2) Overinflation of tires

Adjust.

(3) Improper wheel arch height

Adjust or replace the coil springs with new parts.

(4) Fault in operation of strut or shock absorber

Replace.

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

Replace.

(6) Unsuitable length (maximum or minimum) of strut or shock absorber

Replace with proper parts.

(7) Deformation or loss of bushing

Replace.

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

Replace.

(9) Oil leakage from the strut or shock absorber

Replace.

Possible cause

Corrective action

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

Replace.

(2) Loosening of the suspension link installing bolt

Tighten to the specified torque.

(3) Deformation or loss of bushing

Replace.

(4) Unsuitable length (maximum or minimum) of strut or shock absorber

Replace with proper parts.

(5) Damaged coil spring

Replace.

(6) Wear or damage of the ball joint

Replace.

(7) Deformation of the stabilizer clamp

Replace.

RS-24

General Diagnostic Table

REAR SUSPENSION

WT-2

General Description

WHEEL AND TIRE SYSTEM

1. General Description

A: SPECIFICATION

1. WHEEL AND TIRE SIZE

2. SERVICE DATA

(1) Offset

(2) P.C.D.

WT-00001

Specification

Tire size

Wheel size

Offset

mm (in)

P.C.D.

mm (in)

Tire inflation pressure kPa 

(kgf/cm

2

, psi)

Front wheel

Rear wheel

Sedan

2.5 i, - LTD

P205/50 R17 88V

17 × 7JJ

55 (2.17)

100 

(3.94)

230 (2.3, 33)

220 (2.2, 32)

2.5 i

P205/50 R17 88V

17 × 7JJ

P205/55 R16 89V

16 × 6 

1

/

2

JJ

220 (2.2, 32)

210 (2.1, 30)

2.5 GT LTD, 3.0 R

215/45 R17 91W

17 × 7JJ

240 (2.4, 35)

230 (2.3, 33)

2.5 GT spec. B

215/45 R18 89Y

18 × 7JJ

230 (2.3, 33)

220 (2.2, 32)

3.0 R LTD

P215/45 R18 89W

18 × 7JJ

Wagon

2.5 i

P205/55 R16 89V

16 × 6 

1

/

2

JJ

220 (2.2, 32)

210 (2.1, 30)

P205/50 R17 88V

17 × 7JJ

OUTBACK 2.5 i Base

P225/60 R16 97H

16 × 6 

1

/

2

JJ

48 (1.89)

OUTBACK 2.5 i, -LTD, - LLB

OUTBACK 2.5 XT

OUTBACK 3.0 R LTD

P225/55 R17 95V

17 × 7JJ

Spare tire

T135/80R16 101M

16 × 4T

50 (1.97)

–

420 (4.2, 60)

T135/70D17 102M

17 × 4T

40 (1.57)

T155/70D17 110M

Part

Axial runout

Radial runout

Steel wheel

1.5 mm (0.059 in)

Aluminum wheel

1.0 mm (0.039 in)