Subaru Legacy (2005 year). Manual - part 846

PS-55

POWER ASSISTED SYSTEM (POWER STEERING)

Steering Gearbox [RHD Model]

22) While fixing the 2-surface width, pull out the oil
seal by rotating nut.

CAUTION:
Take care not to scratch the gearbox inner sur-
face.

D: ASSEMBLY

1) Apply a coat of grease to the inside and outside
of new oil seal.

Steering grease:

VALIANT GREASE M2 (Part No. 003608001)

2) Verify the direction of oil seal and installation po-
sition. Using the ST and press, press-fit the oil seal
to gearbox.
ST

34199AE130

GEARBOX OIL SEAL IN-
STALLER

3) Attach the steering body to ST as shown in the
figure. Apply a coat of grease to needle bearing.
ST1

926200000

STAND

ST2

34199AG000 BOSS D

CAUTION:
Ensure the needle bearing is free from defects. 
If it is faulty, replace the steering body with a 
new one.

4) Using the ST-B and ST-C, install the oil seal to
ST-A.
ST

34199FE040

INSTALLER A, B, C (Turbo 
and 3.0 R model)

ST

927490000

INSTALLER A, B, C (Except 
for turbo and 3.0 R model)

NOTE:
Face the oil seal in the direction as shown in the fig-
ure.

(1) 2-surface width

(2) Nut

(1) Oil seal

PS-00072

PS-00073

(1) Clamp

(A) Oil seal

PS-00492

(1)

ST1

ST2

PS-00075

ST  A

ST  B

ST  C

(A)

PS-56

POWER ASSISTED SYSTEM (POWER STEERING)

Steering Gearbox [RHD Model]

5) Insert the ST-A with oil seal assembled from the
gear side of rack. Remove the oil seal from ST-A
near piston, and then remove the ST-A from rack.

6) Install the back-up washer from the gear side of
rack.

7) Install the ST on rack, equally apply a thin coat of
grease to the rack and ST, and then install the oil
seal.
ST

926250000

GUIDE

CAUTION:
Be careful not to scratch the oil seal lips with 
the inner ring section of piston.

NOTE:
Do not use this ST for turbo model.

8) Apply a coat of grease to the grooves in rack,
sliding surface of sleeve and sealing surface of pis-
ton. Install ST on the end of steering body cylinder.
Then insert the rack into steering body from cylin-
der side.
ST

34199FE050

GUIDE (Turbo and 3.0 R mod-
el)

ST

34199AE000

GUIDE (Except for turbo and 
3.0 R model)

CAUTION:
Do not allow grease to block the air vent hole on 
rack.

(A) Oil seal

(B) Rack

(C) Piston

(1) Oil seal

(2) Back-up washer

(3) Rack

PS-00076

ST  A

(A)

(B)

(C)

PS-00077

(1) Rack piston inner ring

(2) Outer side oil seal

(3) Rack

(1) Cylinder side of steering body

(2) Air vent hole

(3) Oil seal

(4) Rack

PS-00078

PS-00079

PS-57

POWER ASSISTED SYSTEM (POWER STEERING)

Steering Gearbox [RHD Model]

9) Make the ST2 pass through rack, and then
press-in the rack and ST2 using press. 
Press-in the rack until ST1 comes in contact with
ST2 and the edge surface of rack is aligned with
that of ST2.
ST1

34199FE050 GUIDE (Turbo and 3.0 R mod-

el)

ST1

34199AE000 GUIDE (Except for turbo and 

3.0 R model)

ST2

34199FE060 INSTALLER (Turbo and 3.0 R 

model)

ST2

34199AE010 INSTALLER (Except for turbo 

and 3.0 R model)

10) Install a new holder to the cylinder side of steer-
ing body.

Tightening torque:

75 N

⋅

m (7.6 kgf-m, 55.3 ft-lb)

11) Using the ST, caulk the steering body at one
point less than 3 mm (0.12 in) from holder.

CAUTION:
Be careful not to deform the holder.
ST

34099FA060

PUNCH HOLDER

12) Roll the vinyl tape on serration part of valve as-
sembly, and then apply grease on the tape surface.

(1) Outer side oil seal

(2) Rack piston

(3) Inner side oil seal

PS-00431

(1)

(2)

(3)

ST2

ST1

PS-00498

(A) Holder

(B) 3 mm (0.12 in)

(1) Vinyl tape

PS-00084

(A)

(B)

ST

ST

PS-00085

PS-58

POWER ASSISTED SYSTEM (POWER STEERING)

Steering Gearbox [RHD Model]

13) Apply a coat of grease on the gear teeth of
valve assembly, and then attach the valve assem-
bly taking care not to scratch oil seal and seal ring.

14) Apply grease on the oil seal circumference, and
then press it into the plug using ST and a press. Re-
place the O-rings of plug circumference with new
ones.
ST

34199AE110

OIL SEAL PLUG INSTALLER

CAUTION:
Install the oil seal paying attention to its direc-
tion.

15) Using the ST, install the plug.
ST

34199AE090

PLUG WRENCH

Tightening torque:

64 N

⋅

m (6.5 kgf-m, 47.0 ft-lb)

16) Install the dust cover and remove the vinyl
tape.

17) Temporarily install the tie-rod to the rack, and
then operate it from lock to lock two or three times
to make it fit in. Remove the grease blocking air
vent hole.

CAUTION:
If operating the rack from lock to lock without 
installing tie-rod, it may damage the oil seal. Al-
ways install the tie-rods LH and RH.

(1) Seal ring

(2) Oil seal

(1) Plug

(2) O-ring

(3) Oil seal

PS-00086

PS-00087

(1) Plug

(1) Dust cover

PS-00088

PS-00497

(1)