Subaru IMPREZA GD 2007 Series Manual page 3389

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7) Pull the piston rod fully upward, and install the
rubber seat and spring seat.
NOTE:
Position the upper spring seat as shown in the fig-
ure.
(1) Outside of body
8) Install the strut mount to piston rod, and tempo-
rarily attach and tighten a new self locking nut.
9) Using a hex wrench to prevent strut rod from
turning, tighten the self-locking nut with the ST.
ST 927760000 STRUT MOUNT SOCKET
Tightening torque:
55 N·m (5.6 kgf-m, 41 ft-lb)
ST
10) Loosen the coil spring compressor carefully.
Front Strut
(1)
FS-00044
FS-00041
FS-19
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 lbf)] to
the threaded portion. Apply a force of 20 N (2 kgf, 4
lbf) from the opposite direction of "W", and then
read the dial gauge indication P
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 major cracks, deforma-
tion, 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. When the vehicle posture is uneven,
even though that is not likely to cause troubles such
as flat tires and unstable drivability, check the free
length of the coil spring referring to specifications.
Replace it with a new part if cracked or damaged.
5. HELPER
If major cracks or damage are found, replace it with
a new part.
FRONT SUSPENSION
1
.
2
FS-00046