Subaru Legacy IV (2008 year). Manual - part 960
PS-2
General Description
POWER ASSISTED SYSTEM (POWER STEERING)
1. General Description
A: SPECIFICATION
Model
Except for 3.0 R
3.0 R
Whole system
Minimum turning radius
m (ft)
Except for 3.0 R-LTD, 2.5 GT spec. B: 5.4 (17.8)
3.0 R-LTD, 2.5 GT spec. B: 5.8 (19)
Steering angle
Inner wheel
Except for 3.0 R-LTD, 2.5 GT spec. B: 37.6°
r1.5°
3.0 R-LTD, 2.5 GT spec. B: 33.8°
r1.5°
Outer wheel
Except for 3.0 R-LTD, 2.5 GT spec. B: 33.0°
r1.5°
3.0 R-LTD, 2.5 GT spec. B: 30.2°
r1.5°
Steering wheel diameter
mm (in)
375 (14.76)
Lock to lock turn
3.0 R-LTD, 2.5 GT-B: 2.6, 2.5 GT: 2.8, Others: 3.2
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)
Non-turbo: 7,350 — 8,050
(75 — 82, 1,067 — 1,167)
Turbo: 8,100 — 8,800
(83 — 90, 1,174 — 1,276)
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)
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
gearbox
(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
SUBARU ATF or ATF DEXRON III