Subaru S209 2019 Service Manual page 172

POWER ASSISTED SYSTEM (POWER STEERING)
1. General Description
A: SPECIFICATION
Whole system
Gearbox
Power steering pump
Power steering fluid
Steering wheel
Free play:
Column assembly - steering
Clearance:
Between steering wheel and cover assembly - column
Steering gearbox
Sliding resistance:
Rack shaft play in radial direction: mm (in)
Input shaft play: mm (in)
Rotational resistance:
Power steering oil pump
Pulley shaft
General Description
Minimum turning radius: m (ft)
Steering angle
Steering wheel diameter: mm (in)
Lock-to-lock revolution number
Type
Backlash
Valve type
Type
Oil tank
Specific discharge rate: cm
Relief pressure: kPa (kgf/cm
Hydraulic fluid control
Operation flow rate: L (US qt, Imp qt)
Revolution speed range: r/min
Direction of rotation
Description
Capacity: L (US qt, Imp qt)
N (kgf, lbf)
Right-turn steering
Left-turn steering
In radial direction
In axial direction
N (kgf, lbf)
Lateral play: mm (in)
Axial play: mm (in)
PS-2
Inner wheel
Outer wheel
Rack & pinion type
0 (automatic adjusting)
3
(cu in)/rev.
2
, psi)
(85 — 92, 1,203 — 1,305)
Engine speed sensitive
1,000 r/min: 7.5 (7.9, 6.6)
3,000 r/min: 7.3 (7.7, 6.4)
Oil tank: 0.2 (0.2, 0.2)
Whole system: 0.7 (0.7, 0.6)
mm (in)
mm (in) 4 — 6 (0.16 — 0.24)
343 (35, 77) or less
Difference between right and left sliding resistance:
20% or less
Both amplitudes: 0.4 (0.016) or less
Play in the horizontal direction: 0.6 (0.024) or less (both
amplitudes)
Play in the vertical direction: 0.4 (0.016) or less (both
amplitudes)
Both amplitudes: 0.26 (0.0102) or less
Without play
Maximum allowable value: 21 (2.14, 4.7) or less
Difference between right and left rotating resistance:
20% or less
0.2 (0.008) or less
0.9 (0.035) or less
6.2 (20.34)
32.0°1.5°
28.6°1.5°
369 (14.53)
2.3
Integral type
Rotary valve
Vane pump
Installed on body
8.5 (0.519)
8,300 — 9,000
560 — 9,600
Clockwise
SUBARU ATF
or
ATF DEXRON III
17 (0.67)