SUBARU LEGACY 1996 Service Repair Manual

Make adjustment so that steering wheel can be rotated
fully from lock to lock without binding.
9) Check for service limit as per article of“Service limit”.
<Ref. to 4-3 [W3C1].> Make replacement and adjustment
if necessary.
10) Install boot and mounting rubber to housing.
NOTE:
Apply grease through small hole in boot.
G4M0123
11) Fit clip (large) to boot, and then install boot to gearbox
while holding boot flange.
After installing boot, fold back boot flange to the extent that
large clip can not be seen.
NOTE:

Before installing boot, be sure to apply grease to the
groove of tie-rod.

Install fitting portions of boots to the following portions in
both sides of assembled steering gearbox.
1. The groove on gearbox
2. The groove on the rod

Make sure that boot is installed without unusual inflation
or deflation.
G4M0124
12) Turn boot until it seats well on gearbox and rubber
mounting, then bend boot flange back.
G4M0125
13) Fix boot end with clip (small).
CAUTION:
Use screwdriver with blunted tip to prevent boot from
damage, when installing.
NOTE:
After installing, check boot end is positioned into groove on
tie-rod.
24
4-3SERVICE PROCEDURE
3. Steering Gearbox (Power Steering System) [LHD model]

G4M0126
14) If tie-rod end was removed, screw in lock nut and tie-
rod end to screwed portion of tie-rod, and tighten lock nut
temporarily in a position as shown in figure.
Installed tie-rod length: L
15 mm (0.59 in)
NOTE:
Pay attention to difference between right and left tie-rod
ends.
G4M0127
15) Inspect gearbox as follows:
A. Holding tie-rod end, repeat lock to lock two or three
times as quickly as possible.
B. Holding tie-rod end, turn it slowly at a radius one or two
times as large as possible.
After all, make sure that boot is installed in the specified
position without deflation.
16) Remove gearbox from ST.
ST 926200000 STAND
17) Install four pipes on gearbox.
(1) Connect pipes A and B to four pipe joints of gear-
box. Connect upper pipe B first, and lower pipe A.
Tightening torque:
13±3 N⋅m (1.3±0.3 kg-m, 9.4±2.2 ft-lb)
G4M0101
(2) Connect pipes C and D to gearbox.
Connect lower pipe C first, and upper pipe D second.
Tightening torque:
15±5 N⋅m (1.5±0.5 kg-m, 10.8±3.6 ft-lb)
G4M0102
E: INSTALLATION
1) Insert gearbox into crossmember, being careful not to
damage gearbox boot.
2) Tighten gearbox to crossmember bracket via clamp with
bolt to the specified torque.
Tightening torque:
59±12 N⋅m (6.0±1.2 kg-m, 43±9 ft-lb)
25
4-3SERVICE PROCEDURE
3. Steering Gearbox (Power Steering System) [LHD model]

3) How to install the joint.
(1) Push the long yoke of the joint, all the way into the
serrated portion of the steering shaft, setting the bolt
hole in the cutout.
(2) Then pull the short yoke all way out of the serrated
portion of the gearbox, setting the bolt hole in the cut-
out.
(3) Insert the bolt through the short yoke, pull the joint
and confirm that the bolt is on cutout of the gearbox.
G4M0086
(4) Fasten the short yoke side with a spring washer
and bolt, then fasten the long yoke side.
Tightening torque:
24±3 N⋅m (2.4±0.3 kg-m, 17.4±2.2 ft-lb)
G4M0097
4) Connect tie-rod end and knuckle arm, and tighten with
castle nut. Fit cotter pin into the nut and bend the pin to
lock.
Castle nut tightening torque:
Tighten to 27.0±2.5 N⋅m (2.75±0.25 kg-m,
19.9±1.8 ft-lb), and tighten further within 60°until
cotter pin hole is aligned with a slot in the nut.
CAUTION:
When connecting, do not hit cap at the bottom of tie-
rod end with hammer.
5) Install front stabilizer to vehicle.
6) Install front exhaust pipe assembly.
<Ref. to 2-9 [W1B0].>
7) Install tires.
8) Tighten wheel nuts to the specified torque.
Tightening torque:
88±10 N⋅m (9.0±1.0 kg-m, 65±7 ft-lb)
9) Connect ground cable to battery.
10) Pour fluid into oil tank, and bleed air. <Ref. to 4-3
[W10A0].>
11) Check for fluid leaks.
12) Install jack-up plate.
WARNING:
Be careful, exhaust manifold is hot.
13) Lower vehicle.
14) Check fluid level in oil tank.
26
4-3SERVICE PROCEDURE
3. Steering Gearbox (Power Steering System) [LHD model]

G4M0132
15) After adjusting toe-in and steering angle, tighten lock
nut on tie-rod end.
Tightening torque:
83±5 N⋅m (8.5±0.5 kg-m, 61.5±3.6 ft-lb)
CAUTION:
When adjusting toe-in, hold boot as shown to prevent
it from being rotated or twisted. If twisted, straighten it.
G4M0133
F: ADJUSTMENT
1) Adjust front toe.
Standard of front toe:
IN 3—OUT 3 mm (IN 0.12—OUT 0.12 in)
2) Adjust steering angle of wheels.
Inner wheel: 37.6°±1.5
Outer wheel: 32.6°±1.5
B4M0133A
3) If steering wheel spokes are not horizontal when wheels
are set in the straight ahead position, and error is more
than 5°on the periphery of steering wheel, correctly re-in-
stall the steering wheel.
G4M0135
4) If steering wheel spokes are not horizontal with vehicle
set in the straight ahead position after this adjustment,
correct it by turning the right and left tie-rods in the same
direction by the same turns.
27
4-3SERVICE PROCEDURE
3. Steering Gearbox (Power Steering System) [LHD model]

4. Steering Gearbox (Power Steering
System) [RHD model]
NOTE:
For disassembly and assembly of gearbox unit, refer to
section Control Valve (Power Steering Gearbox).
B4M0666A
Tightening torque: N⋅m (kg-m, ft-lb)
T1: 20±4 (2.0±0.4, 14.5±2.9)
T2: 25±5 (2.5±0.5, 18.1±3.6)
T3: 39±10 (4.0±1.0, 29±7)
T4: 64±10 (6.5±1.0, 47±7)
T5: 78±10 (8.0±1.0, 58±7)
T6: 83±5 (8.5±0.5, 61.5±3.6)
28
4-3SERVICE PROCEDURE
4. Steering Gearbox (Power Steering System) [RHD model]

1Dust cover

2Valve housing

3Y-packing

4Ball-bearing

5Spacer

6Pinion

7Shim

8Dust seal

9Clip

10Tie-rod end

11Clip

12Boot

13Wire

14Tie-rod RH

15Lock washer

16Sleeve
17Spring

18Adjusting screw

19Lock nut

20Pipe A

21Pipe B

22Adapter

23Housing ASSY

24Back-up washer

25Oil seal

26Rack

27O-ring

28Oil seal

29Y-packing

30Bush

31Holder

32Tie-rod LH
29
4-3SERVICE PROCEDURE
4. Steering Gearbox (Power Steering System) [RHD model]

A: REMOVAL
1) Disconnect battery negative terminal.
2) Disconnect both oxygen sensor and exhaust gas tem-
perature warning sensor connectors from front exhaust
pipe assembly.
WARNING:
Be careful as exhaust pipe is hot.
3) Raise vehicle with a jack and remove front wheel.
4) Disconnect front exhaust pipe assembly.
G4M0097
5) Remove cotter pin and castle nut. Using a puller,
remove tie-rod end from knuckle arm.
G4M0098
6) Remove jack-up plate and stabilizer.
G4M0786
7) Disconnect one pipe joint A from center of gearbox
assembly, and connect a vinyl hose to it. While turning
steering wheel to the left and right, drain fluid through the
hose. Similarly, drain fluid from the other pipe joint B.
G4M0787
8) Remove lower and upper bolts from universal joint, and
remove universal joint in the upward direction.
NOTE:
Scribe alignment marks on universal joint so that it can be
reassembled at the original serration.
30
4-3SERVICE PROCEDURE
4. Steering Gearbox (Power Steering System) [RHD model]

9) Remove flare nuts from control valve of gearbox
assembly, and disconnect upper and lower hoses B and A.
CAUTION:

Always disconnect hoses B and A in that order.

Be careful not to damage the hoses during removal.
10) Remove bolts securing gearbox to crossmember, and
detach gearbox.
G4M0788
B: DISASSEMBLY
1) Disconnect four pipes from gearbox.
2) Secure gearbox removed from vehicle in vice using ST.
ST 926200000 STAND
CAUTION:
Secure the gearbox assembly in a vice using the ST as
shown. Do not attempt to secure it without this ST.
G4M0789
3) Pry off clip from outer end of boot, and slide boot toward
tie-rod end.
G4M0790
4) Using ST, remove lock wire from inner end of boot, and
remove boot.
ST 927590000 WRENCH
G4M0791
5) Extend rack approximately 40 mm (1.57 in) out. Unlock
lock wire at lock washer on each side of tie-rod end using
a standard screwdriver.
CAUTION:
Be careful not to scratch rack surface as oil leaks may
result.
31
4-3SERVICE PROCEDURE
4. Steering Gearbox (Power Steering System) [RHD model]

G4M0792
6) Using ST, loosen lock nut.
ST 926230000 SPANNER
G4M0793
7) Tighten adjusting screw until it no longer tightens.
G4M0794
8) Using a wrench [32 mm (1.26 in) width across flats] or
adjustable wrench, remove tie-rod.
CAUTION:

Check ball joint for free play, and tie-rod for bends.
Replace if necessary.

Check dust seals used with tie-rod end ball joint for
damage or deterioration. Replace if necessary.
9) Loosen adjusting screw and remove spring and sleeve.
CAUTION:
Replace spring and/or sleeve if damaged.
G4M0795
10) Disconnect pipes A and B from steering body and con-
trol valve housing.
CAUTION:
Replace pipes and/or flare nuts if damaged.
32
4-3SERVICE PROCEDURE
4. Steering Gearbox (Power Steering System) [RHD model]

C: INSPECTION
1) Clean all disassembled parts, and check for wear,
damage, or any other faults, then repair or replace as nec-
essary.
2) When disassembling, check inside of gearbox for water.
If any water is found, carefully check boot for damage,
input shaft dust seal, adjusting screw and boot clips for
poor sealing. If faulty, replace with new parts.
No. Parts Inspection Corrective action
1 Input shaft(1) Bend of input shaft
(2) Damage on serrationIf bend or damage is excessive, replace
entire gearbox.
2 Dust seal(1) Crack or damage
(2) WearIf outer wall slips, lip is worn out or damage
is found, replace it with new one.
3 Rack and pinion Poor mating of rack with pinion(1) Adjust backlash properly.
By measuring turning torque of
gearbox and sliding resistance of rack,
check if rack and pinion engage
uniformly and smoothly with each
other.
(Refer to“Service limit”.)
(2) Keeping rack pulled out all the way so
that all teeth emerge, check teeth for
damage.
Even if abnormality is found in either
(1) or (2), replace entire gearbox.
4 Gearbox unit(1) Bend of rack shaft
(2) Bend of cylinder portion
(3) Crack or damage on cast iron portionReplace gearbox with new one.
(4) Wear or damage on rack bushIf free play of rack shaft in radial direction is
out of the specified range, replace gearbox
with new one. (Refer to“Service limit”.)
(5) Wear on input shaft bearingIf free plays of input shaft in radial and axial
directions are out of the specified ranges,
replace gearbox with new one.
(Refer to“Service limit”.)
5 Boot Crack, damage or deterioration Replace.
6 Tie-rod(1) Looseness of ball joint
(2) Bend of tie-rodReplace.
7 Tie-rod end Damage or deterioration on dust seal Replace.
8 Adjusting screw spring Deterioration Replace.
9 Boot clip Deterioration Replace.
10 Sleeve Damage Replace.
11 Pipes(1) Damage to flared surface
(2) Damage to flare nut
(3) Damage to pipe
(4) Damage to O-ringReplace.
33
4-3SERVICE PROCEDURE
4. Steering Gearbox (Power Steering System) [RHD model]