Subaru Legacy IV (2008 year). Manual - part 967

PS-30

Steering Gearbox

POWER ASSISTED SYSTEM (POWER STEERING)

39) If the tie-rod end has been removed, screw in
lock nut and tie-rod end to the screwed portion of
tie-rod, and tighten the lock nut temporarily in a po-
sition as shown in the figure.

Installed tie-rod length L:

31 mm (1.22 in)

40) Inspect the gearbox as follows.
Holding the “A” tie-rod end, repeat movement from
lock to lock two or three times as quickly as possi-
ble.
Holding the “B” tie-rod end, turn a few times as
slowly as possible.
Finally, make sure that the boot is installed in the
specified position without inflating.

41) Remove the gearbox from ST.
ST1

926200000

STAND

ST2

34199AG000 BOSS D

42) Install the four pipes on gearbox.

(1) Connect the pipes A and B to the four pipe
joints of gearbox.

Tightening torque:

Refer to the component parts. <Ref. to PS-4,
POWER ASSISTED SYSTEM, COMPONENT,
General Description.>

(2) Connect the pipes C and D to gearbox.

Tightening torque:

Pipe C: 37 N·m (3.8 kgf-m, 27.3 ft-lb)
Pipe D: 29 N·m (3.0 kgf-m, 21.4 ft-lb)

2. CONTROL VALVE ASSEMBLY

Specified steering grease:

VALIANT GREASE M2 (Part No. 003608001)

1) Clean all parts and tools before reassembling.
2) Apply a coat of specified power steering fluid to
the inner wall of valve housing.

3) Apply grease to the oil seal.
4) Verify the direction of oil seal.
5) Using the ST and a press, install the oil seal and
the bushing in valve housing.
ST

34199AG090 INSTALLER & REMOVER

PS-00097

PS-00098

(1) Pipe C

(2) Pipe D

(1) Apply fluid.

(1) Bushing

(2) Oil seal

PS-00525

(1)

(2)

PS-00169

(1)

PS-00856

(2)

(1)

PS-31

Steering Gearbox

POWER ASSISTED SYSTEM (POWER STEERING)

6) Apply vinyl tape to the groove of pinion.
7) Install the back-up ring and oil seal to pinion, and
then remove the vinyl tape.

8) Attach the ST to pinion, and install the seal ring.
ST

34199AG020 GUIDE

9) Remove the ST GUIDE, and form the seal ring
properly using ST FORMER.
ST

34199AG070 FORMER

10) Put vinyl tape around pinion shaft spline to pro-
tect oil seal from damage.

11) Install the valve to pinion, and install the snap
ring.

12) Attach the pinion and valve assembly into the
valve housing.

13) Using a press, push the outer race of bearing
and press-fit the pinion & valve assembly into hous-
ing.

14) Apply the specified grease to dust cover.

(1) Oil seal

(2) Vinyl tape

(3) Back-up ring

(1) Seal ring

PS-00528

(1)

(2)

(3)

PS-00529

(1)

PS-00530

(1)

(1) Snap ring

(2) Valve

(1) Valve housing

(2) Pinion & valve ASSY

(1) Pinion & valve ASSY

(2) Bearing

(3) Housing

PS-00531

(2)

(1)

PS-00532

(1)

(2)

PS-00533

(1)

(2)

(3)

PS-32

Steering Gearbox

POWER ASSISTED SYSTEM (POWER STEERING)

15) Install the dust cover on valve assembly.

CAUTION:
Be sure to install the dust cover to groove of
shaft.

16) Apply the genuine grease to the pinion gear
and bearing of valve assembly.

17) Install new O-ring to valve assembly.

18) Insert the valve assembly into place while fac-
ing the rack teeth toward pinion.

19) Tighten the bolts alternately to secure the valve
assembly.

Tightening torque:

20 N·m (2.0 kgf-m, 14.8 ft-lb)

CAUTION:
Be sure to alternately tighten the bolts.
20) Apply liquid gasket to 1/3 or more of entire pe-
rimeter of adjusting screw thread.

Liquid gasket:

THREE BOND 1141 (Part No. 004403006)

21) Apply a coat of grease to the sliding surface of
sleeve and seating surface of spring, and then in-
sert the sleeve into steering body.
Charge the adjusting screw with grease, and then
insert the spring into adjusting screw. Then install
on the steering body.

22) Tighten the adjusting screw to the specified
torque, then loosen it.

Tightening torque:

25 N·m (2.5 kgf-m, 18.4 ft-lb)

23) Tighten the adjusting screw to the specified
torque, then loosen it 20°.

Tightening torque:

3.9 N·m (0.4 kgf-m, 2.9 ft-lb)

(1) Dust cover

(2) Groove

(1) O-ring

PS-00534

(1)

(2)

PS-00165

PS-00535

(1)

(1) Sleeve

(2) Spring

(3) Adjusting screw

PS-00143

PS-00167

(2)

(1)

(3)

PS-33

Steering Gearbox

POWER ASSISTED SYSTEM (POWER STEERING)

24) Adjust the adjustment screw until the rotational
resistance of gearbox is within specifications. <Ref.
to PS-35, TURNING RESISTANCE OF GEAR-
BOX, INSPECTION, Steering Gearbox.>
25) Apply liquid gasket to lock nut and install it into
adjusting screw. While holding the adjusting screw
with wrench, tighten the lock nut using ST.

Liquid gasket:

THREE BOND 1141

926230000

SPANNER

Tightening torque (lock nut):

25 N·m (2.5 kgf-m, 18.4 ft-lb)

NOTE:
Hold the adjusting screw with a wrench to prevent it
from turning while tightening lock nut.
26) Remove the gearbox from ST.
ST1

926200000

STAND

ST2

34199AG000 BOSS D

27) Install the four pipes on gearbox.

(1) Connect the pipes A and B to gearbox.

Tightening torque:

Refer to the component parts. <Ref. to PS-4,
POWER ASSISTED SYSTEM, COMPONENT,
General Description.>

(2) Connect the pipes C and D to gearbox.

Tightening torque:

Pipe C: 37 N·m (3.8 kgf-m, 27.3 ft-lb)
Pipe D: 29 N·m (3.0 kgf-m, 21.4 ft-lb)

(1) Pipe C

(2) Pipe D

PS-00525

(1)

(2)

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