Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Subaru Forester 1999-2004 Approved Subaru Forester 2004 4 - Chassis Front Suspension General Diagnostic Table

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General Diagnostic Table


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                                     GENERAL DIAGNOSTIC TABLE
                                                                                                       FRONT SUSPENSION

9. General Diagnostic Table
A: INSPECTION
1. IMPROPER VEHICLE POSTURE OR IMPROPER WHEEL ARCH HEIGHT
                                 Possible causes                                             Countermeasures
(1) Permanent distortion or breakage of coil spring                           Replace.
(2) Unsmooth operation of damper strut and/or shock absorber                  Replace.
(3) Installation of wrong strut and/or shock absorber                         Replace with proper parts.
(4) Installation of wrong coil spring                                         Replace with proper parts.

2. POOR RIDE COMFORT
1) Large rebound shock
2) Rocking of the vehicle continues too long after running over bump and/or hump.
3) Large shock in bumping
                                Possible causes                                               Countermeasures
(1) Breakage of coil spring                                                   Replace.
(2) Overinflation pressure of tire                                            Adjust.
(3) Improper wheel arch height                                                Adjust or replace the coil springs with new ones.
(4) Fault in operation of damper strut and/or shock absorber                  Replace.
(5) Damage or deformation of strut mount and/or shock absorber mount          Replace.
(6) Unsuitable installation (maximum and/or minimum length) of damper strut   Replace with proper parts.
and/or shock absorber.
(7) Deformation or damage of bushing                                          Replace.
(8) Deformation or damage of helper in strut assembly and/or shock            Replace.
absorber
(9) Oil leakage of damper strut and/or shock absorber                         Replace.

3. NOISE
                                Possible causes                                               Countermeasures
(1) Wear or damage of damper strut                                            Replace.
(2) Wear or damage of shock absorber component parts                          Replace.
(3) Loosening of suspension link installing bolt                              Retighten to the specified torque.
(4) Deformation or loss of bushing                                            Replace.
(5) Unsuitability of maximum and/or minimum length of damper strut and/or     Replace with proper parts.
shock absorber
(6) Breakage of coil spring                                                   Replace.
(7) Wear or damage of ball joint                                              Replace.
(8) Deformation of stabilizer clamp                                           Replace.




                                                          FS-25
                   GENERAL DIAGNOSTIC TABLE
FRONT SUSPENSION




                            FS-26



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