Subaru Impreza 3 / Impreza WRX / Impreza WRX STI. Service manual — part 571
PS-5
General Description
POWER ASSISTED SYSTEM (POWER STEERING)
2. POWER ASSISTED SYSTEM
• Hose and tank
(1)
Eyebolt
(9)
Suction hose
Tightening torque: N·m (kgf-m, ft-lb)
(2)
Hose
(10) Hose bracket
T1: 7.5 (0.76, 5.5)
(3)
Eyebolt gasket
(11) Clip
T2: 10 (1.0, 7.4)
(4)
Clip
(12) Clip
T3: 11 (1.1, 8.1)
(5)
Clamp E
(13) Return hose
T4: 13 (1.3, 9.6)
(6)
Cap
(14) Belt cover bracket
T5: 18 (1.8, 13.3)
(7)
Reservoir tank
(15) Suction connector
T6: 21 (2.1, 15.5)
(8)
Oil pump
(16) O-ring
T7: 40 (4.1, 29.5)
T4
T2
T5
T1
T4
T7
(9)
(1)
(4)
(11)
(7)
(6)
(12)
(2)
(10)
(5)
(8)
(4)
(3)
(11)
(13)
PS-01678
T3
(14)
(16)
(15)
T6
PS-6
General Description
POWER ASSISTED SYSTEM (POWER STEERING)
• Gearbox
(1)
Feed pipe
(21) Clamp
(41) Bushing
(2)
Return pipe
(22) Cotter pin
(42) Lock washer
(3)
Clamp plate
(23) Castle nut
(43) Back-up ring
(4)
Universal joint (STI model)
(24) Dust cover
(44) O-ring
(5)
Dust seal
(25) Clip
(45) Universal joint (except for STI
model)
(6)
Valve housing
(26) Tie-rod end
(7)
O-ring
(27) Clip
Tightening torque: N·m (kgf-m, ft-lb)
(8)
Oil seal
(28) Boot
T1: Tighten to 5.9 (0.6, 4.4), and
loosen by 20 degrees.
(9)
Bushing
(29) Band
T2: 9 (0.9, 6.6)
(10) Seal ring
(30) Tie-rod
T3: 15 (1.5, 11.1)
(11) Pinion & valve ASSY
(31) Pipe B
T4: 17 (1.7, 12.5)
(12) Oil seal
(32) Pipe A
T5: 20 (2.0, 14.8)
(13) Back-up washer
(33) Steering body
T6: 24 (2.4, 17.7)
(14) Ball bearing
(34) Oil seal
T7: 25 (2.5, 18.4)
(15) Snap ring
(35) Piston seal ring
T8: 27 (2.8, 19.9)
(16) Lock nut
(36) Rack
T9: 37 (3.8, 27.3)
(17) Adjusting screw
(37) Oil seal
T10: 29 (3.0, 21.4)
(18) Spring
(38) Holder
T11: 60 (6.1, 44.3)
(19) Sleeve
(39) O-ring
T12: 70 (7.1, 51.6)
(20) Adapter
(40) Stiffener
T13: 85 (8.7, 62.7)
T14: 93 (9.5, 68.6)
T11
T8
T13
T8
T14
T4
T14
T13
T8
T5
T6
(22)
(20)
(23)
(24)
(25)
(26)
(27)
(28)
(29)
(30)
(38)
(37)
(32)
(36)
(35)
(44)
(30)
(28)
(27)
(26)
(25)
(24)
(7)
(8)
(9)
(10)
(11)
(22)
(23)
(5)
(6)
(12)
(13)
(15)
(42)
(14)
(33)
(19)
(18)
(17)
(16)
(21)
(34)
(31)
T3
(2)
(3)
T9
T10
T2
(1)
(3)
(39)
T7
T1
(29)
(40)
T11
(41)
T12
(43)
PS-01677
(45)
T6
(4)
PS-7
General Description
POWER ASSISTED SYSTEM (POWER STEERING)
3. OIL PUMP
(1)
Oil pump
Tightening torque: N·m (kgf-m, ft-lb)
(2)
Pulley
T1: 8 (0.8, 5.9)
(3)
Bracket
T2: 16 (1.6, 11.8)
(4)
Belt tension nut
T3: 22 (2.2, 16.2)
(5)
Washer plate
T4: 25 (2.5, 18.4)
T5: 48 (4.9, 35.4)
T4
T3
T3
T5
T1
T2
(3)
(2)
(1)
(4)
PS-01679
(5)
PS-8
General Description
POWER ASSISTED SYSTEM (POWER STEERING)
C: CAUTION
• Wear appropriate work clothing, including a helmet, protective goggles and protective shoes when per-
forming any work.
• Before removal, installation or disassembly, be sure to clarify the failure. Avoid unnecessary removal, in-
stallation, disassembly and replacement.
• Vehicle components are extremely hot after driving. Be wary of receiving burns from heated parts.
• Use SUBARU genuine power steering fluid, grease etc. or equivalent. Do not mix fluid, grease etc. of dif-
ferent grades or manufacturers.
• Be sure to tighten fasteners including bolts and nuts to the specified torque.
• Place shop jacks or rigid racks at the specified points.
• Before securing a part on a vise, place cushioning material such as wooden blocks, aluminum plate or
cloth between the part and the vise.
D: PREPARATION TOOL
1. SPECIAL TOOL
ILLUSTRATION
TOOL NUMBER
DESCRIPTION
REMARKS
925711000
PRESSURE
GAUGE
Used for measuring oil pressure.
926200000
STAND
• Used when inspecting characteristic of gear-
box assembly and disassembling it.
• Used together with BOSS D (34199AG000).
34099AC010
ADAPTER HOSE A
Used together with PRESSURE GAUGE
(925711000).
ST-925711000
ST-926200000
ST34099AC010
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