FRONT SUSPENSION > General Diagnostic Table

INSPECTION

1. IMPROPER VEHICLE POSTURE OR IMPROPER WHEEL ARCH HEIGHT

Possible cause

Corrective action

(1) Permanent distortion or damaged coil spring

Replace

(2) Rough operation of damper strut or shock absorber

Replace

(3) Installation of a wrong strut or shock absorber

Replace with appropriate parts.

(4) Installation of non-compatible coil spring

Replace with appropriate parts.

2. POOR RIDE COMFORT

1. Large rebound shock

2. Rocking of vehicle continues too long after running over bump and/or 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

Adjust or replace coil springs with new parts.

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

Replace

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

Replace

(6) Improper length (maximum or minimum) of damper strut or shock absorber

Replace with proper parts.

(7) Abnormal damage or deformation of bushing

Replace

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

Replace

(9) Oil leakage from the damper strut or shock absorber

Replace

3. NOISE

Possible cause

Corrective action

(1) Worn or damaged damper strut

Replace

(2) Wear or damage of shock absorber components

Replace

(3) Loosening of the suspension link installing bolt

Tighten to the specified torque.

(4) Deformation or loss of bushing

Replace

(5) Improper length (maximum or minimum) of damper strut or shock absorber

Replace with proper parts.

(6) Damaged coil spring

Replace

(7) Wear or damage of the ball joint

Replace

(8) Deformation of the stabilizer clamp

Replace