1999 SUBARU LEGACY Service Repair Manual

9. Rear Strut
A: REMOVAL
B4M0199B
(1) Strut mount cap
(2) Self-locking nut
(3) Strut mount
(4) Rubber seat upper
(5) Dust cover
(6) Coil spring(7) Helper
(8) Rubber seat lower
(9) Damper strutTightening torque: N´m (kg-m, ft-lb)
T1:
20±6 (2.0±0.6, 14.5±4.3)
T2:59±10 (6.0±1.0, 43±7)
T3:196+39/þ10(20.0+4.0/þ1.0,
145+29/þ7)
1) Depress brake pedal and secure it in that posi-
tion using a wooden block, etc.
2) Remove rear seat cushion and backrest.
(Sedan)
B4M0200A
3) Remove strut cap of rear quarter trim. (Wagon)
B4M0201A
4) Loosen rear wheel nuts.
5) Jack-up vehicle, support it with safety stands
(rigid racks) and remove rear wheels.
6) Remove brake hose clip.
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[W9A0]4-1SERVICE PROCEDURE
9. Rear Strut

7) Models equipped with rear disc brakes:
Remove union bolt from brake caliper.
G4M0538
8) Models equipped with rear drum brakes:
Disconnect brake hose from brake pipe from strut,
and disconnect brake pipe from drum brake.
9) Remove bolts which secure rear strut to hous-
ing.
G4M0539
10) Remove nuts securing strut mount to body.
11) Remove strut mount cap.
B: DISASSEMBLY
For disassembly of rear strut, refer to procedures
outlined under front strut as a guide.

C: INSPECTION
Refer to Front Strut as a guide for inspection pro-
cedures.
D: ASSEMBLY
Refer to Front Strut as a guide for assembly pro-
cedures.
CAUTION:
IInstall rear strut with ª4WDº mark on strut
mount facing outside of vehicle body.
IInsert the protrusion of lower rubber seat
into the strut spring seat hole.
G4M0540
E: INSTALLATION
1) Install strut mount cap.
2) Tighten self-locking nut used to secure strut
mount to vehicle body.
CAUTION:
Use a new self-locking nut.
NOTE:
Tighten strut mount and cap as a unit.
Tightening torque:
20
±6 N´m (2.0±0.6 kg-m, 14.5±4.3 ft-lb)
3) Tighten bolts securing rear strut to housing.
Tightening torque:
196+39/þ10N´m (20.0+4.0/þ1.0kg-m,
145+29/þ7ft-lb)
CAUTION:
Use a new self-locking nut.
4) Models with rear disc brakes:
Tighten brake hose union bolt on brake caliper.
Tightening torque:
18
±3 N´m (1.8±0.3 kg-m, 13.0±2.2 ft-lb)
Models with rear drum brakes:
Connect brake hose to brake pipe.
Tightening torque:
15+3/þ2N´m (1.5+0.3/þ0.2kg-m, 10.8+2.2/þ1.4ft-lb)
5) Insert brake hose clip between brake hose and
lower side of strut.
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4-1[W9B0]SERVICE PROCEDURE
9. Rear Strut

CAUTION:
ICheck that hose clip is positioned properly.
ICheck brake hose for twisting, or excessive
tension.
IModels equipped with ABS:
Do not subject ABS sensor harness to exces-
sive tension.
6) Be sure to bleed air from brake system.
7) Lower vehicle and tighten wheel nut.
Tightening torque:
88
±10 N´m (9±1 kg-m, 65±7 ft-lb)
8) Sedan:
Install rear seat backrest and rear seat cushion.
Wagon:
Install strut cap of rear quarter trim.
NOTE:
Check wheel alignment and adjust if necessary.
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[W9E0]4-1SERVICE PROCEDURE
9. Rear Strut

10. Rear Crossmember
A: REMOVAL
B4M0572B
(1) Crossmember
(2) Floating bushing
(3) Adjusting bolt
(4) Stopper
(5) Stabilizer link
(6) Rear lateral link
(7) Front lateral link
(8) Washer(9) Cap (Protection)
(10) Trailing link
(11) Self-locking nut
(12) Crossmember reinforcement
lower (Sedan model only)Tightening torque: N´m (kg-m, ft-lb)
T1:
25±7 (2.5±0.7, 18.1±5.1)
T2:44±6 (4.5±0.6, 32.5±4.3)
T3:98±15 (10.0±1.5, 72±11 )
T4:11 3±15 (11.5±1.5, 83±11 )
T5:127±20 (13.0±2.0, 94±14)
T6:137±20 (14.0±2.0, 101±14)
CAUTION:
Do not subject ABS sensor harness to exces-
sive tension. (ABS equipped models.)
1) Separate front exhaust pipe and rear exhaust
pipe.
2) Remove rear exhaust pipe and muffler.
3) Remove crossmember reinforcement lower.
(Sedan model only)
4) Remove rear differential. 5) Place transmission jack under rear crossmem-
ber.
G4M0544
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4-1[W10A0]SERVICE PROCEDURE
10. Rear Crossmember

6) Remove bolts securing crossmember to vehicle
body, and remove crossmember.
G4M0545
7) Scribe an alignment mark on rear lateral link
cam bolt and crossmember.
8) Remove four bolts securing front and rear lat-
eral links to crossmember by loosening nuts.
B: INSPECTION
Check removed parts for damage and cracks, and
correct or replace if defective.
C: INSTALLATION
1) Install in reverse order of removal.
2) Install rear differential.
CAUTION:
Always tighten rubber bushing when wheels
are in full contact with the ground and vehicle
is at curb weight condition.
NOTE:
Check wheel alignment and adjust if necessary.
37
[W10C0]4-1SERVICE PROCEDURE
10. Rear Crossmember

11. Rear Stabilizer
A: REMOVAL
H4M1143B
(1) Rear stabilizer
(2) Stabilizer bracket
(3) Stabilizer bushing
(4) Clamp(5) Stabilizer link
(6) Rear lateral link
(7) Self-locking nutTightening torque: N´m (kg-m, ft-lb)
T1:
25±7 (2.5±0.7, 18.1±5.1)
T2:44±6 (4.5±0.6, 32.5±4.3)
1) Jack-up the rear part of the vehicle, support it
with safety stands (rigid racks).
2) Remove bolts which secure stabilizer link to
rear lateral link.
3) Remove bolts which secure stabilizer to stabi-
lizer bracket.
B: INSPECTION
1) Check bushing for cracks, fatigue or damage.
2) Check stabilizer links for deformities, cracks, or
damage, and bushing for protrusions from the hole
of stabilizer link.
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4-1[W11A0]SERVICE PROCEDURE
11. Rear Stabilizer

C: INSTALLATION
1) To install, reverse the removal procedure.
NOTE:
IInstall bushing while aligning it with paint mark
on stabilizer.
IEnsure that bushing and stabilizer have the
same identification colors when installing.
G4M0519
2) Always tighten rubber bushing location when
wheels are in full contact with the ground and
vehicle is curb weight.
3) Tightening torque:
Stabilizer link to rear lateral link:
44
±6 N´m (4.5±0.6 kg-m, 32.5±4.3 ft-lb)
Stabilizer to stabilizer bracket:
25
±7 N´m (2.5±0.7 kg-m, 18.1±5.1 ft-lb)
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[W11C0]4-1SERVICE PROCEDURE
11. Rear Stabilizer

1. Suspension
A: IMPROPER VEHICLE POSTURE OR IMPROPER WHEEL ARCH HEIGHT
Possible causes Countermeasures
(1) Permanent distortion or breakage of coil spring Replace.
(2) Unsmooth operation of damper strut Replace.
(3) Installation of wrong strut Replace with proper parts.
(4) Installation of wrong coil spring Replace with proper parts.
B: POOR RIDE COMFORT
1) Large rebound shock
2) Rocking of vehicle continues too long after running over bump and/or hump.
3) Large shock in bumping
Possible causes Countermeasures
(1) Breakage of coil spring Replace.
(2) Over-inflation pressure of tire Adjust.
(3) Improper wheel arch height Adjust or replace coil springs with new ones.
(4) Fault in operation of damper strut Replace.
(5) Damage or deformation of strut mount Replace.
(6) Unsuitability of maximum and/or minimum length of
damper strutReplace with proper parts.
(7) Deformation or loss of bushing Replace.
(8) Deformation or damage of helper in strut assembly Replace.
(9) Oil leakage of damper strut Replace.
C: NOISE
Possible causes Countermeasures
(1) Wear or damage of damper strut component parts Replace.
(2) Loosening of suspension link installing bolt and/or nut Retighten to the specified torque.
(3) Deformation or loss of bushing Replace.
(4) Unsuitability of maximum and/or minimum length of
damper strutReplace with proper parts.
(5) Breakage of coil spring Replace.
(6) Wear or damage of ball joint Replace.
(7) Deformation of stabilizer clamp Replace.
40
4-1[K1A0]DIAGNOSTICS
1. Suspension