Subaru LEGACY 2006 Manual page 3990

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FRONT SUSPENSION
7) Pull the piston rod fully upward, and install the
spring seat.
NOTE:
Position the upper spring seat as shown in the fig-
ure.
(1) Outside of body
8) Install spacer and 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)
ST
10) Loosen the coil spring carefully.
Front Strut
(1)
FS-00128
FS-00041
FS-22
E: INSPECTION
Check the removed part for wear, damage and
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 in place 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
while applying a force of W [20 N (2 kgf, 4 lb)] to the
threaded portion. Apply a force of 20 N (2 kgf, 4 lb)
from the opposite direction of "W", and then read
the dial gauge indication P .
2
W
L
Play limit (P + P ):
1 2
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 part if
defective.
3. DUST COVER
If major cracks or damage are found, replace it with
a new part.
4. COIL SPRING
If a permanent strain is found, replaced it with a
new part.
5. HELPER
If major cracks or damage are found, replace it with
a new part.
1
FS-00046