POWER ASSISTED SYSTEM
(POWER STEERING)
PS-2
POWER ASSISTED SYSTEM (POWER STEERING)
General Description
1. General Description
A: SPECIFICATION
Model
NON-TURBO TURBO
2.5i, OUTBACK WRX STI
Whole system
Minimum turning radius m (ft) 5.4 (17.7) 5.7 (18.7)
Steering angle (Inside-Outside) 34.5° — 30.3° 32.9° — 28.5°
Steering wheel diameter mm (in) 375 (14.76) 375 (14.76)
Lock-to-lock speed (Turns lock to lock,
Gear box)
3.0 2.7 2.6
Gearbox
Type Rack and pinion, Integral
Backlash 0 (Automatically adjustable)
Valve (Power steering system) Rotary valve
Pump
(Power steering
system)
Type Vane pump
Oil tank Installed on body
Output
cm
3
(cu in)/rev.
7.2 (0.439) 7.2 (0.439)
Relief pressure
kPa (kgf/cm
2
, psi)
6,700 — 7,400
(68 — 75, 972 — 1,073)
7,350 — 8,036
(75 — 82, 1,067 — 1,165)
Hydraulic fluid control Dropping in response to increased engine revolutions
Hydraulic fluid 2 (US qt, Imp qt)
1,000 rpm: 7 (7.4, 6.2)
3,000 rpm: 5 (5.3, 4.4)
7.5 (7.9, 6.6)
Range of revolution rpm 700 — 9,000
Revolving direction Clockwise
Working fluid
(Power steering
system)
Name ATF DEXRON III
Capacity Oil tank 0.3 (0.3, 0.3)
2 (US qt, Imp qt) Total 0.7 (0.7, 0.6)
PS-3
POWER ASSISTED SYSTEM (POWER STEERING)
General Description
Steering wheel Free play mm (in) 17 (0.67)
Turning angle
Inner wheel
2.5i, OUTBACK, WRX 34.5°±1.5°
STI 32.9°±1.5°
Outer wheel
2.5i, OUTBACK, WRX 30.3°±1.5°
STI 28.5°±1.5°
Steering shaft
Clearance between steering wheel and
column cover
mm (in) 4.0 (0.16)
Steering gear-
box
(Power steer-
ing system)
Sliding resistance N (kgf, lbf) 400 (41, 90) or less
Rack shaft
play in radial
direction
Right-turn steering mm (in) 0.19 (0.0075) or less
Left-turn steering mm (in)
Horizontal movement:
0.15 (0.0059) or less
Vertical movement:
0.3 (0.012) or less
Input shaft
play
In radial direction mm (in) 0.18 (0.0071) or less
In axial direction mm (in) 0.5 (0.020) or less
Turning resistance N (kgf, lbf)
Maximum allowable value:
Less than 10.5 (1.1, 2.4)
Difference between right and left
sliding resistance: Less than 20%
Oil pump
(Power steer-
ing system)
Pulley shaft
Radial play mm (in) 0.4 (0.016) or less
Axial play mm (in) 0.9 (0.035) or less
Pulley
Ditch deflection mm (in) 1.0 (0.039) or less
Resistance to rotation N (kgf, lbf) 9.22 (0.94, 2.07) or less
Regular pressure (Unloaded)
kPa (kgf/cm
2
, psi)
981 (10, 142) or less
Steering wheel
effort
(Power steer-
ing system)
At standstill with engine idling on a
concrete road
N (kgf, lbf) 31.4 (3.2, 7.1) or less
At standstill with engine stalled on a
concrete road
N (kgf, lbf) 294.2 (30, 66.2) or less
Recommended power steering fluid Manufacturer
ATF DEXRON III
B.P.
CALTEX
CASTROL
MOBIL
SHELL
TEXACO
PS-4
POWER ASSISTED SYSTEM (POWER STEERING)
General Description
B: COMPONENT
1. STEERING WHEEL AND COLUMN
(1) Bushing (5) Steering wheel Tightening torque: Nâ‹…m (kgf-m, ft-lb)
(2) Steering shaft (6) Airbag module T1: 1.2 (0.12, 0.9)
(3) Steering roll connector (7) Steering wheel lower cover T2: 25 (2.5, 18.1)
(4) Column cover T3: 45 (4.6, 33.2)
PS-00618
(2)
(4)
T2
T1
(3)
(1)
T3
(6)
(5)
(7)
PS-5
POWER ASSISTED SYSTEM (POWER STEERING)
General Description
2. POWER ASSISTED SYSTEM
• NON-TURBO MODEL
PS-00645
T1
T11
T13
T10
T5
T15
T4
T14
T4
T14
T15
T10
T13
(18)
(19)
(19)
(19)
T5
T9
T9
T8
T8
T1
T4
T2
T2
T3
T6
T7
T9
T9
T2
T12
(10)
(9)
(4)
(4)
(4)
(1)
(6)
(58)
(57)
(8)
(12)
(15)
(13)
(14)
(16)
(5)
(2) (3)
T4
(11)
(38)
(36)
(39)
(40)
(41)
(42)
(43)
(44)
(45)
(46)
(47)
(56)
(55)
(54)
(49)
(53)
(52)
(46)
(45)
(44)
(37)
(43)
(42)
(41)
(40)
(23)
(24)
(25)
(26)
(27)
(38)
(39)
(21)
(22)
(20)
(17)
(19)
(36)
(28)
(29)
(31)
(47)
(30)
(50)
(35)
(34) (33)
(32)
(37)
(51)
(48)
(7)
(7)
T12
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2006 Subaru Impreza Service & Repair Manual
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Description
- The Subaru Impreza 2006 Repair Service Manual is a comprehensive resource tailored for the 2006 Subaru Impreza models, covering all trim levels and engine variations. It provides detailed instructions and diagrams for engine repairs, transmission maintenance, electrical systems troubleshooting, brake and suspension repairs, and more.
- Whether you're a professional mechanic or a DIY enthusiast, this manual is designed to assist you in keeping your Subaru Impreza running smoothly. It offers step-by-step instructions and illustrations to guide you through any repair or service task, making it suitable for both beginners and experienced individuals.
- This manual is available in .PDF format, providing a user-friendly layout that allows for quick access to the necessary information. It is a valuable tool for those looking to save time and money by performing their own repairs, empowering individuals with the knowledge and confidence to tackle any maintenance task on their Subaru Impreza 2006 model.
Invest in the Subaru Impreza 2006 Repair Service Manual today and equip yourself with the essential resource for maintaining and repairing your Subaru Impreza 2006 model.
