Subaru LEGACY 2004 Service Manual page 25

FRONT SUSPENSION
7) Pull the piston rod fully upward, and install the
spring seat.
NOTE:
Ensure the upper spring seat is positioned as
shown in the figure.
(1) Outside of body
8) Install the strut mount to piston rod, and tighten a
new self-locking nut temporarily.
9) Using a hexagon wrench to prevent strut rod
from turning, tighten the new self-locking nut with
ST.
ST 20399AG000 STRUT MOUNT SOCKET
Tightening torque:
⋅
55 N m (5.6 kgf-m, 41 ft-lb)
10) Loosen the coil spring carefully.
(1)
FS-00128
ST
FS-00041
Front Strut
E: INSPECTION
Check the removed part for wear, damage or
cracks, and then repair or replace it if defective.
1. DAMPER STRUT
1) Check for oil leaks.
2) Move the piston rod up and down to check that it
operates smoothly without any hitch.
3) Piston rod play
• Measure the play as follows:
Fix the outer shell and fully extend the rod. Set a
dial gauge at the end of rod L [10 mm (0.39 in)], and
then read the dial gauge indication P
ing a force of W [20 N (2 kgf, 4 lb)] to threaded por-
tion. Apply a force of 20 N (2 kgf, 4 lb) in the
opposite direction of "W", and then read the dial
gauge indication P
W
Play limit (P
0.8 mm (0.031 in)
If the play exceeds limit, replace the strut.
2. STRUT MOUNT
Check the rubber part for deformation, cracks or
deterioration, and then replace it with a new one if
defective.
3. DUST COVER
If any cracks or damage are found, replace it with a
new one.
4. COIL SPRING
If a permanent strain is found, replaced it with a
new one.
5. HELPER
Replace it with a new one if cracked or damaged.
FS-24
.
2
L
+ P ):
1 2
while apply-
1
FS-00046