1995 SUBARU LEGACY Service Repair Manual

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Page 665 of 2248

SUBARU LEGACY 1995 Service Repair Manual 6. Control Valve (Power Steering
Gearbox) [RHD model]
NOTE:
This section focuses on the disassembly and reassembly
of control valve. For the inspection and adjustment and the
service procedures for as

Page 666 of 2248

SUBARU LEGACY 1995 Service Repair Manual 2. OIL LEAK CHECK PROCEDURE AND
REPLACEMENT PARTS
NOTE:
Parts requiring replacement are described in the smallest
unit of spare parts including damaged parts and spare
parts damaged. In actual disasse

2. OIL LEAK CHECK PROCEDURE AND
REPLACEMENT PARTS
NOTE:
Parts requiring replacement are described in the smallest
unit of spare parts including damaged parts and spare
parts damaged. In actual disassembly work, accidental
damage as well as inevitable damage to some related
parts must be taken into account, and spare parts for them
must also be prepared. However, it is essential to pinpoint
the cause of trouble, and limit the number of replacement
parts as much as possible.
1) Leakage from“a”
The oil seal is damaged. Replace valve assembly with a
new one.
2) Leakage from“b”
The torsion bar O-ring is damaged. Replace valve assem-
bly with a new one.
3) Leakage from“c”
The oil seal is damaged. Replace valve assembly with a
new one.
4) Leakage from“d”
The pipe is damaged. Replace the faulty pipe or O-ring.
5) If leak is other than a, b, c, or d, and if oil is leaking from
the gearbox, move the right and left boots toward tie-rod
end side, respectively, with the gearbox mounted to the
vehicle, and remove oil from the surrounding portions.
Then, turn the steering wheel from lock to lock 30 to 40
times with the engine running, then make comparison of
the leaked portion immediately after and several hours
after this operation.
6) Leakage from“e”
There are two possible causes. Take following step first.
Remove the pipe assembly B from the valve housing, and
close the circuit with ST.
ST 926420000 PLUG
Turn the steering wheel from lock to lock 30 to 40 times
with the engine running, then make comparison of the
leaked portion between immediately after and several
hours after this operation.
CAUTION:
If leakage from“e”is noted again:
The oil seal of pinion and valve assembly is damaged.
Replace pinion and valve assembly with a new one. Or
replace the oil seal and the parts that are damaged
during disassembly with new ones.
If oil stops leaking from“e”:
The oil seal of rack housing is damaged.
Replace the oil seal and the parts that are damaged
during disassembly with new ones.
50
4-3SERVICE PROCEDURE
6. Control Valve (Power Steering Gearbox) [RHD model]

Page 667 of 2248

SUBARU LEGACY 1995 Service Repair Manual G4M0817
B: DISASSEMBLY
1. VALVE ASSEMBLY
1) Slide dust cover out.
CAUTION:
Be careful not to scratch housing or input shaft dur-
ing dust cover removal. Also do not allow foreign mat-
ter to enter ho

Page 668 of 2248

SUBARU LEGACY 1995 Service Repair Manual G4M0821
2) Install ST on valve side of rack and press outer side oil
seal out.
ST 34099FA030 INSTALLER & REMOVER
CAUTION:
Block pipe connection of steering body to prevent
fluid from flowing out.
Do

Page 669 of 2248

SUBARU LEGACY 1995 Service Repair Manual G4M0823
4) Using ST1 and ST2, repair cylinder’s clinched sections.
ST1 34099FA080 PUNCH
ST2 34099FA070 BASE
G4M0889
5) If cylinder edge is deformed in a convex shape, repair
using an oil stone.
G4M0

Page 670 of 2248

SUBARU LEGACY 1995 Service Repair Manual G4M0825
2) Using ST and press, remove dust seal, back-up washer,
Y-packing and ball bearing from valve housing.
CAUTION:
Use the“A”end of remover.
Do not apply a force to end surface of valve ho

Page 671 of 2248

SUBARU LEGACY 1995 Service Repair Manual G4M0841
5) Apply a coat of specified steering grease to ST surface,
and install ST onto end of input shaft. Insert pinion and
valve until“A”of oil seal contacts“B”of valve housing. The
ST is u

Page 672 of 2248

SUBARU LEGACY 1995 Service Repair Manual G4M0828
Installation
1) Wash and clean pinion & valve and valve housing.
2) Attach ST to pinion, and apply grease to outer perimeter
of the cover and mating surface of oil seal.
ST 926270000 COVER
G4

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