Subaru 2006 Legacy, Manual

Page: 4043 / 4302

PS-2
General Description
POWER ASSISTED SYSTEM (POWER STEERING)
1. General Description
A: SPECIFICATION
Model OUTBACK except for 3.0 R OUTBACK 3.0 R
Whole system
Minimum turning radius m (ft) 5.4 (17.8)
Steering angle
Inner wheel
Except for OUTBACK: 37.2°
±
1.5°
OUTBACK: 38.0°
±
1.5°
Outer wheel
Except for OUTBACK: 33.0°
±
1.5
OUTBACK: 33.5°
±
1.5°
Steering wheel diameter mm (in) 375 (14.76)
Lock to lock turn Excluding 2.5 GT: 3.2, 2.5 GT: 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.
8.5 (0.519) 9.6 (0.586)
Relief pressure
kPa (kg/cm
2
, psi)
7,350 — 8,050
(75 — 82, 1,067 — 1,167)
8,300 — 9,000
(85 — 92, 1,204 — 1,305)
Hydraulic fluid control Engine speed sensitive
Hydraulic fluid
2
(USqt, Imp qt)
1,000 rpm: 6.15 (6.5, 5.4)
3,000 rpm: 5.5 (5.8, 4.8)
1,000 rpm: 6.5 (6.9, 5.7)
3,000 rpm: 5.5 (5.8, 4.8)
RPM range rpm 680 — 9,600
Direction of rotation Clockwise
Hydraulic oil
(Power steering
system)
Description ATF DEXRON III or equivalent
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) 3.0 (0.12)
Steering gear-
box
(Power steering
system) Rack shaft play in
the radial direction
Right-turn steering mm (in) 0.12 (0.005) 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, lb)
Maximum allowable value: 11.3 (1.15, 2.54) or less
Difference between right and left sliding resistance:
24% or less
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, lb) 9.22 (0.94, 2.07) or less
Regular pressure (Unloaded)
kPa (kg/cm
2
, psi)
981 (10, 142) or less
Steering wheel
effort
(Power steering
system)
At standstill with engine idling on paved
road
N (kgf, lb) 29.4 (3.0, 6.6) or less
At standstill with engine stalled on
paved road
N (kgf, lb) 294.2 (30, 66.2) or less
Recommended power steering fluid Manufacturer
ATF DEXRON III or equivalent
B.P.
CALTEX
CASTROL
MOBIL
SHELL
TEXACO
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