POWER ASSISTED SYSTEM (POWER STEERING) > General Description

SPECIFICATION

1. HYDRAULIC TYPE

Model

1.5 R

Except for 1.5 R

Whole system

Minimum turning radius

m (ft)

5.3 (17.4)

Steering angle

Inner wheel

37.8°±1.5°

Outer wheel

33.4°±1.5°

Steering wheel diameter

mm (in)

375 (14.76)

Whole gear ratio (Turn, from lock to lock. Gearbox)

XV standard vehicle height *1: 2.9

XV high vehicle height *1: 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

cm3 (cu in)/rev.

7.2 (0.439)

Relief pressure

kPa (kgf/cm2, psi)

6,700 — 7,400

(68 — 75, 971 — 1,073)

7,350 — 8,050

(75 — 82, 1,066 — 1,167)

Hydraulic fluid control

Engine speed sensitive

Hydraulic fluid

L (US qt, Imp qt)

1,000 rpm: 6.5 (6.9, 5.7)

3,000 rpm: 5.0 (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

Direction of rotation

Clockwise

Hydraulic oil

(Power steering system)

Capacity

L (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)

Sliding resistance

N (kgf, lbf)

LHD: 343 (35, 77) or less

RHD: 314 (32, 71) or less

Difference between right and left sliding resistance: 20% or less

Rack shaft play in the radial direction

Right-turn steering

mm (in)

LHD

0.12 (0.005) or less

RHD

0.45 (0.018) or less

Left-turn steering

mm (in)

LHD

0.3 (0.012) or less, or 0.15 (0.006) or less

RHD

0.18 (0.007) or less

Input shaft play

In radial direction

mm (in)

LHD

0.26 (0.010) or less

RHD

0.18 (0.007) or less

In axial direction

mm (in)

LHD

Without play

RHD

0.27 (0.011) or less

Rotation resistance

N (kgf, lbf)

LHD

Maximum allowable value: 11.3 (1.15, 2.54) or less

Difference between right and left rotating resistance: 24% or less

RHD

Maximum allowable value: 13 (1.3, 2.9) or less

Difference between right and left rotating resistance: 20% or less

Oil pump

(Power steering system)

Pulley shaft

Radial play

mm (in)

0.2 (0.008) 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/cm2, 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, 66.1) or less

*1: For models, refer to the “ID” section.

Recommended power steering fluid

SUBARU ATF or equivalent

2. ELECTRIC TYPE

Whole system

Minimum turning radius

m (ft)

5.3 (17.4)

Steering angle

Inner wheel

Except for XV model: 37.2°±1.5°

XV model: 37.3°±1.5°

Outer wheel

Except for XV model: 32.9°±1.5°

XV model: 33.0°±1.5°

Steering wheel diameter

mm (in)

375 (14.76)

Lock-to-lock revolution number

3.1

Gearbox

Type

Rack & pinion type

Backlash

0 (Automatic adjusting)

Motor

(Temperature 20°C (68°F))

Rated voltage

V

12

Rated torque

N·m (kgf-m, ft-lb)

4.7 (0.48, 3.47)

Rated revolution speed

rpm

1,140

Rated current

A

84

Rated output

W

561

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)

Sliding resistance

N (kgf, lbf)

310 (32, 70) or less

Difference between right and left sliding resistance: 20%

Rack shaft play in the radial direction

Right-turn steering (RHD) and left-turn steering (LHD)

mm (in)

Vertical play:

0.6 (0.024) or less

Horizontal play:

0.4 (0.016) or less

Left-turn steering (RHD) and right-turn steering (LHD)

mm (in)

0.4 (0.016) or less

Input shaft play

In radial direction

mm (in)

0.18 (0.007) or less

In axial direction

mm (in)

0.27 (0.011) or less

Rotation resistance

N (kgf, lbf)

Maximum allowable value: 13 (1.3, 2.9) or less

Difference between right and left sliding resistance: 20%

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, 66.1) or less