power steering fluid SUBARU LEGACY 1999 Service Repair Manual

(3) Loosen lock bolt and slider bolt, and remove
power steering pump drive V-belt.
B2M2308
(4) Remove bolts which secure power steering
pipe brackets to intake manifold.
NOTE:
Do not disconnect power steering hose.
B2M2309
(5) Remove bolts which install power steering
pump to bracket.
B2M2310
(6) Remove bolt which holds power steering
fluid tank bracket onto cylinder block.
B2M2325
(7) Place power steering pump on the right side
wheel apron.
B2M2311
14) Remove fuel pipe protector LH. (LHD model
only)
B2M2754
15) Remove fuel pipe protector RH. (RHD model
only)
B2M2755
27
[W4A1]2-7SERVICE PROCEDURE
4. Intake Manifold

(3) Remove bolts which secure power steering
pipe brackets to intake manifold.
NOTE:
Do not disconnect power steering hose.
B2M2309
(4) Remove bolts which install power steering
pump to bracket.
B2M2310
(5) Remove bolt which holds power steering
fluid tank bracket onto cylinder block.
B2M2325
(6) Place power steering pump on the right side
wheel apron.
B2M2293
15) Remove fuel pipe protector LH. (LHD model
only)
B2M2754
16) Remove fuel pipe protector RH. (RHD model
only)
B2M2755
17) Disconnect spark plug cords from ignition coil
and ignitor assembly.
B2M2312
31
[W4A2]2-7SERVICE PROCEDURE
4. Intake Manifold

1. Steering System
A: SPECIFICATIONS
Except OUTBACK model OUTBACK model
Whole systemMinimum turning radius m (ft) 5.3 (17.4) 5.6 (18.4)
Steering angle (Inside-Outside) 37.6É Ð 32.6É 34.4É Ð 30.2É
Steering wheel diameter mm (in) 385 (15.16)
Overall gear ratio (Turns, lock to lock) 16.5 (3.2) 19 (3.4)
GearboxType Rack and pinion, Integral
Backlash 0 (Automatically adjustable)
Valve (Power steering system) Rotary valve
Pump
(Power steering sys-
tem)Type Vane pump
Oil tank Installed on pump
Output cm
3(cu in)/rev. 7.2 (0.439)
Relief pressure kPa (kg/cm2, psi) 7,355 (75, 1,067)
Hydraulic fluid control Dropping in response to increased engine revolutions
Hydraulic fluid(US qt, Imp qt)1,000 rpm: 7 (7.4, 6.2)
3,000 rpm: 5 (5.3, 4.4)
Range of revolution rpm 500 Ð 7,500
Revolving direction Clockwise
Working fluid
(Power steering sys-
tem)Name ATF DEXRON II, IIE or III
CapacityOil tank(US qt, Imp qt) 0.35 (0.4, 0.3)
Total 0.7 (0.7, 0.6)
B: SERVICE DATA
Except OUTBACK model OUTBACK model
Steering wheel Free play mm (in) 17 (0.67)
Turning angleInner tire & wheel 37.6É 34.4É
Outer tire & wheel 32.6É 30.2É
Steering shaftClearance between steering wheel and
column cover mm (in)3.0 (0.118)
Steering gearbox
(Power steering sys-
tem)Sliding resistance N (kg, lb) 240.3 (24.5, 54.0) or less
Rack shaft play in
radial direc-
tion mm (in)0.15 (0.0059) or less
Right-turn steering Horizontal movement: 0.3 (0.012) or less
Left-turn steering Vertical movement: 0.15 (0.0059) or less
Input shaft
play mm (in)In radial direction 0.18 (0.0071) or less
In axial direction 0.1 (0.004) or less
Turning resistance N (kg, lb)Within 30 mm (1.18 in) from rack center in straight ahead
position: Less than 11.18 (1.14, 2.51)
Maximum allowable value: 12.7 (1.3, 2.9)
Oil pump
(Power steering sys-
tem)Pulley shaft mm
(in)Radial play 0.4 (0.016) or less
Axial play 0.9 (0.035) or less
PulleyDitch deflec-
tion mm (in)1.0 (0.039) or less
Resistance to rota-
tion N (kg, lb)9.22 (0.94, 2.07) or less
Regular pressure kPa (kg/cm
2, psi) 981 (10, 142) or less
Relief pressure kPa (kg/cm2, psi) 7,355 (75, 1,067)
Steering wheel effort
(Power steering sys-
tem)At standstill with engine idling on a con-
crete road N (kg, lb)31.4 (3.2, 7.1) or less
At standstill with engine stalled on a
concrete road N (kg, lb)147 (15, 33) or less
2
4-3[S1A0]SPECIFICATIONS AND SERVICE DATA
1. Steering System

C: RECOMMENDED POWER
STEERING FLUID
Recommended power steering fluid Manufacturer
ATF DEXRON II, ATF DEXRON IIE or
ATF DEXRON IIIB.P.
CALTEX
CASTROL
MOBIL
SHELL
TEXACO
3
[S1C0]4-3SPECIFICATIONS AND SERVICE DATA
1. Steering System

1) Disconnect battery minus terminal.
2) Loosen front wheel nut.
3) Lift vehicle and remove front wheels.
4) Remove front exhaust pipe assembly.
WARNING:
Be careful, exhaust pipe is hot.
5) Using a puller, remove tie-rod end from knuckle
arm after pulling off cotter pin and removing castle
nut.
G4M0097
6) Remove jack-up plate and front stabilizer.
G4M0098
7) Remove one pipe joint at the center of gearbox,
and connect vinyl hose to pipe and joint. Discharge
fluid by turning steering wheel fully clockwise and
counterclockwise. Discharge fluid similarly from
the other pipe.
G4M0099
8) Remove lower side bolt of universal joint, then
remove upper side bolt and lift the joint upward.
NOTE:
Place a mark on the joint and mating serration so
that they can be re-installed at the original position.
G4M0086
9) Disconnect pipes C and D from pipe of gear-
box.
CAUTION:
Be careful not to damage these pipes.
NOTE:
Disconnect upper pipe D first, and lower pipe C
second.
G4M0101
10) Remove clamp bolts securing gearbox to
crossmember, and remove gearbox.
G4M0102
B: DISASSEMBLY
1) Disconnect four pipes from gearbox.
15
[W3B0]4-3SERVICE PROCEDURE
3. Steering Gearbox (Power Steering System) [LHD model]

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)
G4M0102
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 gear box, setting the bolt
hole in the cutout.
(3) Insert the bolt through the short yoke, pull
the joint and confirm that the bolt is on cutout of
the gearbox.
(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)
G4M0086
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
60É 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.
G4M0097
5) Install front stabilizer to vehicle.
6) Install front exhaust pipe assembly.

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. 4-3 [W9A0].>
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.
23
[W3E0]4-3SERVICE PROCEDURE
3. Steering Gearbox (Power Steering System) [LHD model]

1) Disconnect battery negative terminal.
2) Disconnect both oxygen sensor and exhaust
gas temperature 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.
5) Remove cotter pin and castle nut. Using a
puller, remove tie-rod end from knuckle arm.
G4M0097
6) Remove jack-up plate and stabilizer.
G4M0098
7) Disconnect one pipe joint A from center of gear-
box 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.
G4M0786
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.
G4M0787
9) Remove flare nuts from control valve of gear-
box assembly, and disconnect upper and lower
hoses B and A.
CAUTION:
IAlways disconnect hoses B and A in that
order.
IBe careful not to damage the hoses during
removal.
10) Remove bolts securing gearbox to
crossmember, and detach gearbox.
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.
G4M0788
27
[W4B0]4-3SERVICE PROCEDURE
4. Steering Gearbox (Power Steering System) [RHD model]

3) Pry off oil seal using screwdriver.
CAUTION:
After removing, check inside surface of valve
housing for damage. If oil seal contacting sur-
face is damaged, replace valve housing with a
new one.
G4M0145
4) Press-fit oil seal into valve housing using ST
and press.
ST 927610000 INSTALLER
NOTE:
Before fitting, coat oil seal fully with specified
power steering fluid.
G4M0146
5) Fit snap ring in snap ring groove using snap
ring pliers.
CAUTION:
Be careful not to scratch oil seal with snap ring
pliers.
NOTE:
Rotate snap ring to check for proper installation.
2. PINION AND VALVE ASSEMBLY
1) Remove snap ring using snap ring pliers.
CAUTION:
IDo not reuse removed snap ring.
IBe careful not to scratch pinion and valve
assembly.
G4M0147
2) Press out bearing together with backing washer
using pipe of I.D. 38.5 to 39.5 mm (1.516 to 1.555
in) and press.
CAUTION:
Do not reuse removed bearing.
G4M0148
3) Remove oil seal.
CAUTION:
Do not reuse removed oil seal.
4) Fit pinion and valve assembly into valve hous-
ing.
38
4-3[W5C2]SERVICE PROCEDURE
5. Control Valve (Power Steering Gearbox) [LHD model]

NOTE:
Apply specified power steering fluid to outer diam-
eter surface of input shaft and outer surface of
valve body seal ring, and pay special attention not
to damage seal when inserting pinion and valve
assembly.
5) Secure valve assembly to ST1 and ST2.
ST1 926370000 INSTALLER A
ST2 927630000 STAND BASE
ST3 926360000 INSTALLER A
ST4 927620000 INSTALLER B
G4M0149
6) Put ST3 over pinion, and insert oil seal, then
force-fit oil seal into housing using ST4.
NOTE:
IApply specified power steering fluid to oil seal
and ST3, being careful not to damage oil seal lip.
IPush oil seal until ST3 contacts housing end
face.
7) Remove ST3, and fit backing washer.8) Force-fit ball bearing using ST3.
ST1 926370000 INSTALLER A
ST2 927630000 STAND BASE
ST3 927640000 INSTALLER B
NOTE:
Be careful not to tilt ball bearing during installation.
G4M0150
9) Install snap ring using snap ring pliers.
NOTE:
Rotate snap ring to check for proper installation.
3. RACK HOUSING OIL SEAL AND BACK-
UP WASHER
1) Insert a round rod [26 Ð 27 mm (1.02 Ð 1.06
in) dia.] from pinion housing side and remove oil
seal and back-up washer by hammering the rod.
NOTE:
IDiscard removed oil seal and back-up washer.
IApply the unchamfered end of remover to
back-up washer.
G4M0151
39
[W5C3]4-3SERVICE PROCEDURE
5. Control Valve (Power Steering Gearbox) [LHD model]

2) Force-fit oil seal and back-up washer using ST.
ST 927650000 INSTALLER
CAUTION:
Be careful not to damage or scratch cylinder
inner wall.
NOTE:
IApply specified power steering fluid to oil seal.
IPay special attention not to install back-up
washer and oil seal in wrong direction.
IPush oil seal until the stepped portion of A con-
tacts end face of B.
G4M0152
D: ASSEMBLY
1. RACK ASSEMBLY
CAUTION:
Use only SUBARU genuine grease for gearbox.
Specified grease for gearbox:
VALIANT GREASE M2 (Part No.
003608001)
1) Fixing rack housing
Fix rack housing in vice using ST.
ST 926200000 STAND
CAUTION:
IWhen fixing rack housing in vice, be sure to
use this special tool. Do not fix rack housing in
vice using pad such as aluminum plates, etc.
IWhen using old rack housing, be sure to
clean and remove rust before assembling.
Check pinion housing bushing carefully.
B4M0134A
2) Fit ST over toothed portion of rack assembly,
and check for binding or unsmooth insertion. If any
deformation is noted on flats at the end of rack,
shape by using file, and wash with cleaning fluid.
3) Apply genuine grease to teeth of thoroughly
washed rack assembly, and fit ST over the toothed
portion.
ST 926390001 COVER & REMOVER
CAUTION:
IBe careful not to block air passage with
grease. Remove excessive grease.
IAfter fitting cover, check air passage hole for
clogging. If clogged, open by removing grease
from the hole.
ICheck rack shaft for damage.
IApply specified power steering fluid to this
ST and surface of piston ring to prevent seal
from being damaged.
G4M0154
4) Insert rack assembly into rack housing from cyl-
inder side, and remove ST after it has passed com-
pletely through oil seal.
ST 926390001 COVER & REMOVER
NOTE:
Before inserting rack assembly, apply a coat of
specified power steering fluid to surfaces of ST and
rack piston.
G4M0155
40
4-3[W5D1]SERVICE PROCEDURE
5. Control Valve (Power Steering Gearbox) [LHD model]