Subaru Impreza 3 / Impreza WRX / Impreza WRX STI. Service manual — part 477
RS-15
Front Lateral Link
REAR SUSPENSION
7. Front Lateral Link
A: REMOVAL
1) Lift up the vehicle, and then remove the rear
wheels.
2) Remove the rear trailing link. <Ref. to RS-10,
3) Remove the snap pin and nut.
4) Using a puller, remove the ball joint.
5) Scribe an alignment mark on the front lateral link
adjusting bolt and rear sub frame.
6) Remove the adjusting bolt, and remove the front
lateral link.
CAUTION:
When removing the adjusting bolt, make sure
to fix the bolt head in place when loosening the
nut.
B: INSTALLATION
CAUTION:
• Be sure to use a new self-locking nut.
• Always tighten the bushing in the state where
the vehicle is at curb weight and the wheels are
in full contact with the ground.
1) Install each part in the reverse order of removal.
Tightening torque:
Front lateral link — Sub frame
100 N·m (10.2 kgf-m, 73.8 ft-lb)
Front lateral link — Rear axle housing
60 N·m (6.1 kgf-m, 44.3 ft-lb)
2) Inspect the wheel alignment and adjust if neces-
sary.
C: INSPECTION
Visually check the front lateral link for damage and
deformation.
D: DISASSEMBLY
Using the ST A and ST B, press the bushing out.
ST A 20099AE000 INSTALLER & REMOVER
ST B 20099AE000 INSTALLER & REMOVER
E: ASSEMBLY
Using the ST A and ST B, press-fit the bushing.
CAUTION:
Make sure to press the bushing straight in.
ST A 20099AE000 INSTALLER & REMOVER
ST B 20099AE000 INSTALLER & REMOVER
(1) Snap pin
(2) Nut
(2)
(1)
RS-00189
RS-00190
RS-00262
ST-A
ST-B
RS-00192
RS-16
Rear Lateral Link
REAR SUSPENSION
8. Rear Lateral Link
A: REMOVAL
1) Lift up the vehicle, and then remove the rear
wheels.
2) Remove the nut and disconnect the stabilizer
link.
3) Remove the shock absorber lower bolt.
4) Remove the bolt, and remove rear lateral link.
B: INSTALLATION
CAUTION:
• Be sure to use a new self-locking nut.
• Always tighten the bushing in the state where
the vehicle is at curb weight and the wheels are
in full contact with the ground.
1) Install each part in the reverse order of removal.
Tightening torque:
Rear lateral link
80 N·m (8.2 kgf-m, 59.0 ft-lb)
Shock absorber
80 N·m (8.2 kgf-m, 59.0 ft-lb)
Stabilizer link
38 N·m (3.9 kgf-m, 28 ft-lb)
2) Inspect the wheel alignment and adjust if neces-
sary.
C: DISASSEMBLY
Using the ST A and ST B, press the bushing out.
ST A 20099AE010 INSTALLER & REMOVER
ST B 20099AE010 INSTALLER & REMOVER
D: ASSEMBLY
Using the ST A and ST B, press-fit the bushing.
ST A 20099AE010 INSTALLER & REMOVER
ST B 20099AE010 INSTALLER & REMOVER
E: INSPECTION
Visually check the rear lateral link for damage and
deformation.
RS-00263
RS-00083
ST-A
ST-B
RS-00083
ST-A
ST-B
RS-17
Rear Sub Frame
REAR SUSPENSION
9. Rear Sub Frame
A: REMOVAL
1) Lift up the vehicle, and then remove the rear
wheels.
2) Separate the front exhaust pipe and rear ex-
haust pipe.
3) Remove the rear exhaust pipe and muffler.
4) Remove the propeller shaft. <Ref. to DS-11, RE-
5) Remove the rear ABS wheel speed sensor from
the rear housing.
6) Remove the brake hose bracket from rear hous-
ing.
7) Remove the rear disc brake caliper, and sus-
pend it from the shock absorber. (Disc brake mod-
el)
8) Remove the rear parking brake cable from the
parking brake assembly. <Ref. to PB-6, REMOV-
AL, Parking Brake Assembly (Rear Disc Brake).>
9) Disconnect the ABS wheel speed sensor con-
nector.
10) Remove the shock absorber lower bolt.
11) Support the sub frame using a jack.
12) Remove the support plate.
13) Remove the rear sub frame.
FU-03357
RS-00264
FU-03358
RS-00266
RS-00267
RS-00268
RS-00269
RS-18
Rear Sub Frame
REAR SUSPENSION
B: INSTALLATION
CAUTION:
• Be sure to use a new self-locking nut.
• Always tighten the bushing in the state where
the vehicle is at curb weight and the wheels are
in full contact with the ground.
1) Install each part in the reverse order of removal.
Tightening torque:
Refer to “COMPONENT” of “General Descrip-
tion” for the tightening torque. <Ref. to RS-3,
COMPONENT, General Description.>
2) Inspect the wheel alignment and adjust if neces-
sary.
C: INSPECTION
Check the removed parts for wear, damage and
crack, and repair or replace them if faulty.
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