Subaru Legacy 2004 Service Manual page 137

PERIODIC MAINTENANCE SERVICES
4. WHEEL ALIGNMENT OF FRONT SUS-
PENSION
1) Check the alignment of front suspension to en-
sure that following items conform to standard val-
ues.
• Toe-in
• Camber
• Caster
• Steering angle
<Ref. to FS-8, Wheel Alignment.>
2) When the caster angle does not conform to ref-
erence obviously, visually inspect the following
components and replace deformed parts.
• Suspension components [Strut assembly, cross-
member, front arm, etc.]
• Parts connecting suspension and body
3) When the toe-in and camber are out of standard
value, adjust them so that they conform to standard
value.
4) When the right-and-left turning angles of tire are
out of standard, adjust to standard value.
5. WHEEL ALIGNMENT OF REAR SUS-
PENSION
1) Check the alignment of rear suspension to en-
sure that following items are within standard val-
ues.
• Toe-in
• Camber
• Thrust angle
<Ref. to RS-8, Wheel Alignment.>
2) When the camber angle does not conform to
standard value, visually inspect the following com-
ponents. If the deformation is observed, replace the
damaged parts.
• Suspension components [Shock absorber, front
link, rear link, upper link, rear arm, sub frame, etc]
• Parts connecting suspension and body
3) When the toe-in and thrust angle are out of stan-
dard value, adjust them so that they conform to
standard value.
6. OIL LEAKAGE OF STRUT AND SHOCK
ABSORBER
Visually inspect the front strut and rear shock ab-
sorber for oil leakage. Replace the front strut and
rear shock absorber if oil leaks excessively.
7. TIGHTNESS OF BOLTS AND NUTS
Check the bolts and nuts for looseness. Retighten
the bolts and nuts to specified torque. If the self-
locking nuts and bolts are removed, replace them
with new ones.
• Front suspension
<Ref. to FS-2, General Description.>
Suspension
• Rear suspension
<Ref. to RS-2, General Description.>
8. DAMAGE TO SUSPENSION PARTS
Check the following parts and the fastening portion
of the vehicle body for deformation or excessive
rusting which impairs the suspension. If necessary,
replace the damaged parts with new ones. If minor
rust formation, pitting, etc. are noted, remove the
rust and take rust prevention measure.
• Front suspension
• Front arm
• Crossmember
• Strut
• Rear suspension
• Sub frame
• Front link
• Rear link
• Upper link
• Rear arm
• Shock absorber
• In the area where salt is sprayed to melt snow on
a road in winter, check suspension parts for dam-
age caused by rust every 12 months after lapse of
60 months. Take rust prevention measure as re-
quired.
PM-36