Subaru IMPREZA 2002 Service Manual page 30

GENERAL DIAGNOSTIC TABLE
FRONT SUSPENSION
Possible causes
I
Countermeasures
9. General Diagnostic Table
(2)
Unsmooth operation of damper strut and/or shock absorber
(3) Installation of wrong strut and/or shock absorber
(4) Installation of wrong coil spring
A: INSPECTION
Replace.
Replace with proper parts.
Replace with proper parts.
1. IMPROPER VEHICLE POSTURE OR IMPROPER WHEEL ARCH HEIGHT
(4)
Fault in operation of damper strut and/or shock absorber
*(5) Damage or deformation of strut mount and/or shock absorber mount
(6) Unsuitability of maximum and/or minimum length of damper strut and/or
shock absorber
Replace.
Replace.
Replace with proper parts.
(8) Deformation or damage of helper in strut assembly and/or shock
absorber
(9) Oil leakaae of damDer strut and/or shock absorber
1) Large rebound shock
Replace.
Replace.
ning over bump and/or hump.
3) Large shock in bumping
Possible causes
(1 )
Wear or damage of damper strut and/or shock absorber component
parts
Countermeasures
Replace.
(1)
Breakage of coil spring
(2) Overinflation pressure of tire
I
Adjust.
I
I
Replace.
(4)
Unsuitability of maximum and/or minimum length of damper strut and/or
shock absorber
(5) Breakaae of coil sprina
I
(3) Improper wheel arch height
I
Adjust or replace coil springs with new ones.
I
Replace with proper parts.
Replace.
I
( 7 ) Deformation or loss of bushing
I
Replace.
I
(2) Loosenina of suspension link installing bolt
I
Retighten to the specified torque.
I
(3) Deformation or loss of bushing
1
Replace.
I
I
(6) Wear or damaae of ball ioint
I
Replace.
I
I
(7)
Deformation of stabilizer clamp
I
Replace.
I
FS-26