Subaru Legacy III (2000-2003 year). Manual - part 848

PS-80

POWER ASSISTED SYSTEM (POWER STEERING)

OIL PUMP

10) Disassemble oil pump and bracket by inserting
a screwdriver as shown in the figure.

2. 3.0 L AND TURBO MODEL

1) Remove ground cable from battery.
2) Remove pulley belt cover.
3) Remove V-belt.
4) Disconnect connector from power steering pres-
sure switch.
5) Remove tensioner adjuster.
6) Disconnect pressure hose and suction hose
from oil pump.

CAUTION:
• Do not allow fluid from the hose end to come
into contact with pulley belt.
• To prevent foreign matter from entering the
hose, cover the open ends of them with a clean
cloth.

7) Remove bolts, which install power steering
pump bracket.

8) Place oil pump bracket in a vise, remove two
bolts from the front side of oil pump.

CAUTION:
Do not place oil pump bracket directly in the 
vise; use soft pads and hold oil pump lightly to 
protect the pump.

9) Remove bolt from the rear side of oil pump.

10) Remove oil pump from bracket.

(1) Pressure hose

(2) Suction hose

PS-00129

PS-00228

( 1 )

( 2 )

PS-00229

PS-00338

PS-81

POWER ASSISTED SYSTEM (POWER STEERING)

OIL PUMP

B: INSTALLATION

1. EXCEPT 3.0 L AND TURBO MODEL

1) Install oil pump to bracket.

(1) Place oil pump bracket in a vise. Tighten
bushing using a 12.7 mm (1/2

″

) type 14- and 21-

mm box wrench until it is in contact with oil pump
mounting surface.

CAUTION:
Do not place oil pump bracket directly in the 
vise; use soft pads and hold oil pump lightly to 
protect the pump.

(2) Tighten bolt which installs oil pump and
switch bracket to bracket.

Tightening torque:

37.3 N·m (3.8 kgf-m, 27.5 ft-lb)

Tightening torque:

15.7 N·m (1.6 kgf-m, 11.6 ft-lb)

2) Install socket to oil pump.

Tightening torque:

6.5 N·m (0.66 kgf-m, 4.8 ft-lb)

3) Tighten bolts which install power steering pump
bracket.

Tightening torque:

22 N·m (2.2 kgf-m, 15.9 ft-lb)

(1) Bushing

(2) Nut

(3) 21 mm

(4) 14 mm

(5) Bolt

PS-00135

( 1 )

( 2 )

( 3 )

( 4 )

( 5 )

PS-00231

PS-00226

PS-00227

PS-00127

PS-82

POWER ASSISTED SYSTEM (POWER STEERING)

OIL PUMP

4) Interconnect pipes C and suction hose.

Tightening torque:

Joint nut

39.2 N·m (4 kgf-m, 28.9 ft-lb)

CAUTION:
If a hose is twisted at this step, the hose may 
come into contact with some other parts.

5) Connect connector to power steering oil pres-
sure switch.
6) Install pulley belt to oil pump.
7) Check pulley belt tension.  <Ref. to ME(H4SO)-
41, V-belt.> and  <Ref. to ME(H6DO)-28, V-belt.>
8) Tighten lock bolt.

Tightening torque:

24.5 N·m (2.5 kgf-m, 18.1 ft-lb)

9) Tighten bolt belt tension.

Tightening torque:

8 N·m (0.8 kgf-m, 5.8 ft-lb)

10) Install pulley belt cover bracket.
11) Connect ground terminal of battery.
12) Feed the specified power steering fluid <Ref. to
PS-92, Power Steering Fluid.>

CAUTION:
Never start the engine before feeding the fluid; 
otherwise vane pump might be seized up.

2. 3.0 L AND TURBO MODEL

1) Install oil pump to bracket.

(1) Place oil pump bracket in a vise. Tighten
bushing using a 12.7 mm (1/2

″

) type 14 and 21-

mm box wrench until it is in contact with oil pump
mounting surface.

CAUTION:
Do not place oil pump bracket directly in the 
vise; use soft pads and hold oil pump lightly to 
protect the pump.

(2) Tighten bolt which installs oil pump to brack-
et.

Tightening torque:

15.7 N·m (1.6 kgf-m, 11.6 ft-lb)

(1) Suction hose

(2) Pipe C

PS-00225

( 1 )

( 2 )

(1) Bushing

(2) Nut

(3) 21 mm

(4) 14 mm

(5) Bolt

PS-00135

( 1 )

( 2 )

( 3 )

( 4 )

( 5 )

PS-00229

PS-83

POWER ASSISTED SYSTEM (POWER STEERING)

OIL PUMP

Tightening torque:

37.3 N·m (3.8 kgf-m, 27.5 ft-lb)

2) Tighten bolts which install power steering pump
bracket.

Tightening torque:

33.3 N·m (3.4 kgf-m, 24.5 ft-lb)

3) Interconnect pressure hose and suction hose.

Tightening torque:

Eye bolt

39.2 N·m (4 kgf-m, 28.9 ft-lb)

CAUTION:
If a hose is twisted at this step, the hose may 
come into contact with some other parts.

4) Connect connector to power steering oil pres-
sure switch.
5) Install tensioner adjuster.
6) Install V-belt.

7) Install pulley belt cover.
8) Connect ground terminal of battery.
9) Feed the specified power steering fluid. <Ref. to
PS-92, Power Steering Fluid.>

CAUTION:
Never start the engine before feeding the fluid; 
otherwise vane pump might be seized up.

C: DISASSEMBLY

NOTE:
Oil pump for 3.0 L and Turbo model cannot be dis-
assembled. If the oil pump is malfunctioning, re-
place the oil pump as an assembly. 
1) Using ST, place oil pump in a vise and remove
four bolts which secure rear cover.
ST

34199AE020

ATTACHMENT

2) Remove pressure plate.

3) Using a screwdriver, pry retaining ring off.

CAUTION:
Do not remove cam ring, rotor, etc.

4) Install pressure plate.

(1) Suction hose

(2) Pressure hose

PS-00338

PS-00232

PS-00228

( 1 )

( 2 )

PS-00233

ST

PS-00234

PS-00235