Subaru XT 1988 Service Manual page 795

4-1
SUSPENSION
Troubleshooting
1) Improper vehicle posture or improper ground clearance
Possible causes
Countermeasures
(1)
Permanent distortion or breakage of coil spring
Replace.
(2) Unsmooth operation of shock absorber
Replace.
(3) Installation of wrong inner arm
Replace with proper parts.
(4) Deformation of inner arm
Replace.
2) Poor ride comfort
1) Large rebound shock.
2) Rocking of 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 ground clearance
Adjust or replace coil springs with new ones.
(4) Fault in operation of shock absorber
Replace.
(5) Damage or deformation of shock absorber lower end Replace.
bushing
(6) Unsuitability of maximum and/or minimum length of
Replace with proper parts.
shock absorber
(7) Deformation or loss of bushing
Replace.
(8) Deformation or damage of helper ASSY
Replace.
3) Noise
Possible causes Countermeasures
(1)
Wear or damage of shock absorber component parts Replace.
(2) Damage or deformation of shock absorber lower end
Replace.
bushing
(3) Loosening of outer arm installing bolt
Retighten to the specified torque.
(4)
Deformation or loss of bushing
Replace.
(5) Loosening of inner arm installing bolt to crossmember
Retighten to the specified torque.
bracket
(6) Unsuitability of maximum and/or minimum length of
Replace with proper parts.
~hock
absorber
(7)
Breakage of coil spring
Replace.
(8) Loosening of each bolt and/or nut
Retighten to the specified torque.
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