SPECIFICATION
| Model | STI | ||||
|---|---|---|---|---|---|
| Whole system | Minimum turning radius | M (ft) | 5.5 (18) | ||
| Steering angle | Inner wheel | 36.6°±1.5° | |||
| Outer wheel | 32.2°±1.5° | ||||
| Steering wheel diameter | Mm (in) | 375 (14.76) | |||
| Total gear ratio (while turning, 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. | 8.5 (0.519) | |||
| Relief pressure | KPa (kgf/cm 2 , psi) | 8,300 - 9,000 (85 - 92,1,203 - 1,305) | |||
| Hydraulic fluid control | Engine speed sensitive | ||||
| Hydraulic fluid | L (US qt, lmp qt) | 1,000 rpm: 6.3 (6.7,5.5) 3,000 rpm: 5.9 (6.2,5.2) | |||
| RPM range | Rpm | 680 - 9,600 | |||
| Direction of rotation | Clockwise | ||||
| Hydraulic oil (Power steering system) | Capacity | L (US qt, lmp qt) | Oil tank | 0.2 (0.2, 0.2) | |
| Whole system | 0.7 (0.7, 0.6) | ||||
GENERAL SPECIFICATIONS
| 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 |
| 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 | ||
STEERING WHEEL FREE PLAY CHART
| Recommended power steering fluid |
|---|
| SUBARU ATF or DEXRON III |
RECOMMENDED POWER STEERING FLUID CHART
Scheme 17
Tightening torque: N.m (kgf-m, ft-lb)
T1: 1.2 (0.12,0.9)
T2: 25 (2.5,18.4)
T3: 39 (4.0,28.8)
Scheme 18
- Hose and tank
Tightening torque: N.m (kgf-m, ft-lb)
T1: 7.5 (0.76,5.5)
72: 10 (1.0,7.4)
73: 13 (1.3,9.6)
T4: 18 (1.8,13.3)
T5: 40 (4.1,29.5)
Scheme 19
- Gearbox
Tightening torque: N.m (kgf-m, ft-lb)
T1: 3.9 (0.4,2.9)
T2: 10 (1.0,7.4)
T3: 15 (1.5,11.1)
T4: 17 (1.7, 12.5)
T5: 20 (2.0, 14.8)
T6: 24 (2.4, 17.7)
T7: 25 (2.5, 18.4)
T8: 27 (2.8, 19.9)
T9: 29 (3.0,21.4)
T10: 37 (3.8,27.3)
T11: 60 (6.1,44.3)
T12: 85 (8.7,62.7)
T13: 90 (9.2,66.4)
Scheme 20
Tightening torque: N.m (kgf-m, ft-lb)
T1: 8 (0.8,5.9)
T2: 16 (1.6,11.8)
T3: 22 (2.2,16.2)
T4: 25 (2.5,18.4)
T5: 48 (4.9,35.4)