Subaru Legacy BN/BS (2015-2019) Service Manual: General diagnostic table inspection

Subaru Legacy BN/BS (2015-2019) Service Manual / Front suspension / General diagnostic table inspection

1. IMPROPER VEHICLE POSTURE OR IMPROPER WHEEL ARCH HEIGHT

Possible cause	Corrective action
(1) Deformation or damage of suspension parts	Replace.
(2) Rough operation of strut COMPL or shock absorber COMPL	Replace.
(3) Improper installation of strut COMPL or shock absorber COMPL	Replace with appropriate parts.
(4) Installation of the wrong coil spring	Replace with appropriate parts.

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.

Possible cause	Corrective action
(1) Damaged coil spring	Replace.
(2) Overinflation of tires	Adjust.
(3) Improper wheel arch height	Replace the coil springs with new parts.
(4) Defective operation of strut assembly or strut COMPL - front	Replace.
(5) Damage or deformation of strut mount - front or shock absorber mount	Replace.
(6) Unsuitable length (maximum or minimum) of strut assembly or shock absorber	Replace with appropriate parts.
(7) Abnormal deformation or loss of bushing	Replace.
(8) Deformation or damage of helper in strut assembly or strut COMPL - front	Replace.
(9) Oil leakage from the strut assembly or strut COMPL - front	Replace.

3. NOISE

Possible cause	Corrective action
(1) Wear or damage of strut assembly or strut COMPL - front component parts	Replace.
(2) Loosening of the suspension link installing bolt	Tighten to the specified torque.
(3) Abnormal deformation or loss of bushing	Replace.
(4) Unsuitable length (maximum or minimum) of strut assembly or strut COMPL - front	Replace with appropriate parts.
(5) Damaged coil spring	Replace.
(6) Wear or damage of the ball joint	Replace.
(7) Deformation of the clamp - stabilizer bushing	Replace.

Other materials:

Disassembly
1. Using a coil spring compressor, compress the coil spring.2. Using a hexagon wrench to prevent the shock absorber piston rod from turning, remove the self-locking nut with ST.CAUTION:When installing the coil spring compressor to the coil spring, follow the operation manual accompanied with the coi ...

Subaru Legacy BN/BS (2015-2019) Service Manual: General diagnostic table inspection

Front suspension

Cradle

Other materials: