PS-2
General Description
POWER ASSISTED SYSTEM (POWER STEERING)
1. General Description
A: SPECIFICATION
Model
Non-turbo model
WRX, WRX-S
WRX-SS
Whole system
Minimum turning radius
m (ft)
5.3 (17.4)
5.4 (17.7)
Steering angle
Inner wheel
OUTBACK: 37.9°
r
1.5°
Except for OUTBACK: 37.8°
r
1.5°
37.2°
r
1.5°
Outer wheel
OUTBACK: 33.5°
r
1.5°
Except for OUTBACK: 33.4°
r
1.5°
32.9°
r
1.5°
Steering wheel diameter
mm (in)
375 (14.76)
Whole gear ratio
(Turn, from lock to lock. Gearbox)
2.8
Gearbox
Type
Rack and Pinion, Integral
Backlash
0 (Automatic adjusting)
Valve (Power steering system)
Rotary valve
Pump
(Power steering
system)
Type
Vane pump
Oil tank
Installed on body
Specific output
cm
3
(cu in)/rev.
7.2 (0.439)
8.5 (0.519)
Relief pressure
kPa (kgf/cm
2
, psi)
7,350 — 8,050
(75 — 82, 1,066 — 1,167)
8,100 — 8,800
(83 — 90, 1,174 — 1,276)
Hydraulic fluid control
Engine speed sensitive
Hydraulic fluid
2
(US qt, Imp qt)
1,000 rpm: 6.5 (6.9, 5.7)
3,000 rpm: 5 (5.3, 4.4)
1,000 rpm: 6.3 (6.7, 5.5)
3,000 rpm: 5.9 (6.2, 5.2)
RPM range
rpm
680 — 9,800
680 — 9,600
Direction of rotation
Clockwise
Hydraulic oil
(Power steering
system)
Capacity
2
(US qt, Imp qt)
Oil tank
0.2 (0.2, 0.2)
Whole system
0.7 (0.7, 0.6)
Steering wheel
Free play
mm (in)
17 (0.67)
Steering shaft
Clearance between the steering wheel
and column cover
mm (in)
2 — 4 (0.08 — 0.16)
Steering
gearbox
(Power steering
system)
Rack shaft play in
the radial direction
Right-turn steering
mm (in)
0.12 (0.005) or less
Left-turn steering
mm (in)
0.3 (0.012) or less
Input shaft play
In radial direction
mm (in)
0.26 (0.01) or less
In axial direction
mm (in)
Without play
Rotation resistance
N (kgf, lbf)
Maximum allowable value: 11.3 (1.15, 2.54)
or less
Difference between right and left sliding
resistance: 24%
Oil pump
(Power steering
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
Rotation
resistance
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 steering
system)
At standstill with engine idling on paved
road
N (kgf, lbf)
29.4 (3.0, 6.6) or less
At standstill with engine stalled on paved
road
N (kgf, lbf)
294.2 (30, 66.2) or less
Recommended power steering fluid
SUBARU ATF or DEXRON III
Содержание 2009 IMPREZA
Страница 18: ...PC 4 Precaution PRECAUTION...
Страница 21: ...NT 4 Note NOTE Lift Rigid rack A Attachment NT 00241 A A Attachment NT 00242 A...
Страница 23: ...NT 6 Note NOTE A Front B Rear 1 Front crossmember 2 Rear differential 1 2 A B NT 00210...
Страница 25: ...NT 8 Note NOTE TIE DOWN HOOK EYE BOLT A Front tie down hook B Rear tie down hook C Eye bolt NT 00213 A B C...
Страница 66: ...PI 22 Pre delivery Inspection PRE DELIVERY INSPECTION...
Страница 112: ...PM 48 A C Filter PERIODIC MAINTENANCE SERVICES...
Страница 219: ...IN H4SO 10 Resonator Chamber INTAKE INDUCTION...
Страница 324: ...ME H4SO 106 Engine Noise MECHANICAL...
Страница 388: ...SP H4SO 6 Accelerator Pedal SPEED CONTROL SYSTEMS...
Страница 395: ...IG H4SO 8 Spark Plug Cord IGNITION...
Страница 418: ...SC H4SO 24 Battery STARTING CHARGING SYSTEMS...
Страница 429: ...EN H4SO diag 12 Electrical Component Location ENGINE DIAGNOSTICS EN 05725 2 1 EN 06168 3 EN 03132 4...
Страница 725: ...EN H4SO diag 308 General Diagnostic Table ENGINE DIAGNOSTICS...
Страница 926: ...GD H4SO 202 Diagnostic Trouble Code DTC Detecting Criteria GENERAL DESCRIPTION...
Страница 1181: ...EX H4DOTC 16 Muffler EXHAUST...
Страница 1212: ...CO H4DOTC 32 Engine Cooling System Trouble in General COOLING...
Страница 1221: ...IG H4DOTC 8 Ignition Coil IGNITION...
Страница 1818: ...GD H4DOTC 230 Diagnostic Trouble Code DTC Detecting Criteria GENERAL DESCRIPTION...
Страница 1824: ...CS 7 AT Shift Lock Control System CONTROL SYSTEMS CS 00874 1 2 CS 00945 CS 00876 3 CS 00359 7 4 CS 00877 5 6...
Страница 2154: ...5MT 82 General Diagnostic Table MANUAL TRANSMISSION AND DIFFERENTIAL...
Страница 2227: ...RS 20 General Diagnostic Table REAR SUSPENSION...
Страница 2364: ...DS 36 General Diagnostic Table DRIVE SHAFT SYSTEM...
Страница 2577: ...BR 10 General Description BRAKE 7 BRAKE BOOSTER 1 Brake booster Tightening torque N m kgf m ft lb T 18 1 8 13 3 BR 00465 1 T...
Страница 2615: ...BR 48 General Diagnostic Table BRAKE...
Страница 2624: ...PB 10 General Diagnostic Table PARKING BRAKE...
Страница 2681: ...PS 58 General Diagnostic Table POWER ASSISTED SYSTEM POWER STEERING...
Страница 2730: ...AC 50 General Diagnostic Table HVAC SYSTEM HEATER VENTILATOR AND A C...
Страница 2940: ...OD diag 28 Diagnostic Procedure with Diagnostic Trouble Code DTC OCCUPANT DETECTION SYSTEM DIAGNOSTICS...
Страница 2961: ...SB 22 Rear Seat Belt SEAT BELT SYSTEM...
Страница 3035: ...COM 6 Horn Switch COMMUNICATION SYSTEM...
Страница 3070: ...GW 36 Wiper Deicer System GLASS WINDOWS MIRRORS...
Страница 3092: ...IDI 22 Clock INSTRUMENTATION DRIVER INFO...
Страница 3158: ...SL 54 Immobilizer Antenna SECURITY AND LOCKS...
Страница 3167: ...SR 10 Sunshade SUNROOF T TOP CONVERTIBLE TOP SUNROOF...
Страница 3240: ...EI 74 Ornament EXTERIOR INTERIOR TRIM...
Страница 3282: ...CC 8 Clutch Switch CRUISE CONTROL SYSTEM 6 Clutch Switch A NOTE For clutch switch refer to CL Ref to CL 27 Clutch Switch...
Страница 3286: ...CC 12 Neutral Position Switch CRUISE CONTROL SYSTEM...
Страница 3311: ...CC diag 26 Diagnostic Procedure with Cancel Code CRUISE CONTROL SYSTEM DIAGNOSTICS...
Страница 3342: ...LAN diag 9 Electrical Component Location LAN SYSTEM DIAGNOSTICS 1 LAN00303 LAN00425 2 LAN00299 7 8 LAN00297 LAN00008 11...
Страница 3421: ...LAN diag 88 General Diagnostic Table LAN SYSTEM DIAGNOSTICS...
Страница 3486: ...WI 67 Remote Engine Start System WIRING SYSTEM...
Страница 3560: ...WI 141 Combination Meter System WIRING SYSTEM 2 LUMINESCENT METER WI 16973 C M LM 01 C M LM 01 i10 CONNECT 22 21 20 19 2 1 40 39...