Subaru LEGACY 2006 Manual page 3985

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9. General Diagnostic Table
A: INSPECTION
1. IMPROPER VEHICLE POSTURE OR IMPROPER WHEEL ARCH HEIGHT
(1) Permanent distortion or damage of the coil spring
(2) Rough operation of damper strut or shock absorber
(3) Improper installation of strut or shock absorber
(4) Installation of the wrong coil spring
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
(1) Damaged coil spring
(2) Overinflation of tires
(3) Improper wheel arch height
(4) Fault in operation of damper strut or shock absorber
(5) Damage or deformation of strut mount or shock absorber mount
(6) Unsuitable length (maximum or minimum) of damper strut or shock
absorber
(7) Deformation or loss of bushing
(8) Deformation or damage of helper in strut assembly or shock absorber
(9) Oil leakage from the damper strut or shock absorber
3. NOISE
(1) Wear or damage of damper strut or shock absorber component parts
(2) Loosening of the suspension link installing bolt
(3) Deformation or loss of bushing
(4) Unsuitable length (maximum or minimum) of damper strut or shock
absorber
(5) Damaged coil spring
(6) Wear or damage of the ball joint
(7) Deformation of the stabilizer clamp
General Diagnostic Table
Possible cause
Possible cause
Possible cause
FS-25
FRONT SUSPENSION
Corrective action
Replace.
Replace.
Replace with appropriate parts.
Replace with appropriate parts.
Corrective action
Replace.
Adjust.
Adjust or replace the coil springs with new parts.
Replace.
Replace.
Replace with appropriate parts.
Replace.
Replace.
Replace.
Corrective action
Replace.
Tighten to the specified torque.
Replace.
Replace with appropriate parts.
Replace.
Replace.
Replace.