Suspension - Subaru Legacy 2004 Service Manual

20.Suspension

A: INSPECTION
1. SUSPENSION BALL JOINT
1) Jack-up the vehicle until front wheels are off
ground.
2) Grasp the bottom of tire and move it in and out.
If relative movement is observed between the
brake disc cover (A) and end of front arm (D), ball
joint (C) may be excessively worn.
(D)
(C)
3) Grasp the end of front arm and move it up and
down. Relative movement (A) between the housing
(D) and front arm (C) boss indicates ball joint (B)
may be excessively worn.
(D)
(C)
(B)
4) If relative movement is observed in the step 2),
3), remove and inspect the ball joint. If the free play
exceeds standard value, replace the ball joint.
<Ref. to FS-17, Front Ball Joint.>
5) Damage of dust seal
Visually inspect the ball joint dust seal. If it is dam-
aged, remove the front arm. <Ref. to FS-19, Front
Arm.> And measure free play of ball joint. <Ref. to
FS-17, Front Ball Joint.>
(1) When looseness exceeds standard value,
replace the ball joint.
(2) If the dust seal is damaged, replace with a
new ball joint.
Suspension
(A)
(B)
PM-00057
(A)
PM-00058
PERIODIC MAINTENANCE SERVICES
NOTE:
When the front arm ball joint has been removed or
replaced, check the toe-in of front wheel. If the front
wheel toe-in is not at specified value, adjust the
toe-in. <Ref. to FS-8, Wheel Alignment.>
(A)
(A) Dust seal
2. FRONT, REAR SUSPENSION BUSHING
Apply pressure with tire lever etc, and inspect the
bushing for wear or crack. Replace the bushings if
there is wear or crack.
3. WHEEL ARCH HEIGHT
1) Unload the cargoes and set the vehicle in curb
weight (empty) condition.
2) Check the wheel arch height of front and rear
suspensions to ensure that they are within speci-
fied values. <Ref. to FS-8, Wheel Alignment.>
3) When the wheel arch height is out of standard,
visually inspect following components and replace
deformed parts.
• Suspension components [Front strut assembly
and rear damper assembly]
• Parts connecting suspension and body
4) If no components are deformed, adjust the
wheel arch height by replacing the suspension
which wheel arch height is out of standard. <Ref. to
FS-8, Wheel Alignment.> <Ref. to RS-8, Wheel
Alignment.>
PM-35
PM-00059
PM-00180