1999 SUBARU LEGACY Service Repair Manual

1. Steering System
A: SPECIFICATIONS
Except OUTBACK model OUTBACK model
Whole systemMinimum turning radius m (ft) 5.3 (17.4) 5.6 (18.4)
Steering angle (Inside-Outside) 37.6É Ð 32.6É 34.4É Ð 30.2É
Steering wheel diameter mm (in) 385 (15.16)
Overall gear ratio (Turns, lock to lock) 16.5 (3.2) 19 (3.4)
GearboxType Rack and pinion, Integral
Backlash 0 (Automatically adjustable)
Valve (Power steering system) Rotary valve
Pump
(Power steering sys-
tem)Type Vane pump
Oil tank Installed on pump
Output cm
3(cu in)/rev. 7.2 (0.439)
Relief pressure kPa (kg/cm2, psi) 7,355 (75, 1,067)
Hydraulic fluid control Dropping in response to increased engine revolutions
Hydraulic fluid(US qt, Imp qt)1,000 rpm: 7 (7.4, 6.2)
3,000 rpm: 5 (5.3, 4.4)
Range of revolution rpm 500 Ð 7,500
Revolving direction Clockwise
Working fluid
(Power steering sys-
tem)Name ATF DEXRON II, IIE or III
CapacityOil tank(US qt, Imp qt) 0.35 (0.4, 0.3)
Total 0.7 (0.7, 0.6)
B: SERVICE DATA
Except OUTBACK model OUTBACK model
Steering wheel Free play mm (in) 17 (0.67)
Turning angleInner tire & wheel 37.6É 34.4É
Outer tire & wheel 32.6É 30.2É
Steering shaftClearance between steering wheel and
column cover mm (in)3.0 (0.118)
Steering gearbox
(Power steering sys-
tem)Sliding resistance N (kg, lb) 240.3 (24.5, 54.0) or less
Rack shaft play in
radial direc-
tion mm (in)0.15 (0.0059) or less
Right-turn steering Horizontal movement: 0.3 (0.012) or less
Left-turn steering Vertical movement: 0.15 (0.0059) or less
Input shaft
play mm (in)In radial direction 0.18 (0.0071) or less
In axial direction 0.1 (0.004) or less
Turning resistance N (kg, lb)Within 30 mm (1.18 in) from rack center in straight ahead
position: Less than 11.18 (1.14, 2.51)
Maximum allowable value: 12.7 (1.3, 2.9)
Oil pump
(Power steering sys-
tem)Pulley shaft mm
(in)Radial play 0.4 (0.016) or less
Axial play 0.9 (0.035) or less
PulleyDitch deflec-
tion mm (in)1.0 (0.039) or less
Resistance to rota-
tion N (kg, lb)9.22 (0.94, 2.07) or less
Regular pressure kPa (kg/cm
2, psi) 981 (10, 142) or less
Relief pressure kPa (kg/cm2, psi) 7,355 (75, 1,067)
Steering wheel effort
(Power steering sys-
tem)At standstill with engine idling on a con-
crete road N (kg, lb)31.4 (3.2, 7.1) or less
At standstill with engine stalled on a
concrete road N (kg, lb)147 (15, 33) or less
2
4-3[S1A0]SPECIFICATIONS AND SERVICE DATA
1. Steering System

C: RECOMMENDED POWER
STEERING FLUID
Recommended power steering fluid Manufacturer
ATF DEXRON II, ATF DEXRON IIE or
ATF DEXRON IIIB.P.
CALTEX
CASTROL
MOBIL
SHELL
TEXACO
3
[S1C0]4-3SPECIFICATIONS AND SERVICE DATA
1. Steering System

1. Steering Wheel and Column (Tilt)
A: WITH AIRBAG MODEL
B4M0551B
(1) Bushing
(2) Column shaft
(3) Steering roll connector
(4) Column cover(5) Steering wheel
(6) Airbag moduleTightening torque: N´m (kg-m, ft-lb)
T1:
25±5 (2.5±0.5, 18.1±3.6)
T2:34±5 (3.5±0.5, 25.3±3.6)
4
4-3[C1A0]COMPONENT PARTS
1. Steering Wheel and Column (Tilt)

2. Power Steering System
A: LHD MODEL
B4M1149B
(1) Clamp
(2) Adapter
(3) Hose bracket
(4) Pipe C
(5) Pipe D
(6) Clamp E
(7) Cap
(8) Strainer
(9) Seal washer
(10) Tank
(11) O-ring
(12) Oil pump
(13) Pulley
(14) Bracket
(15) Bush(16) Belt cover
(17) Clamp plate
(18) Pipe F
(19) Pipe E
(20) Universal joint
(21) Dust seal
(22) C-ring
(23) Oil seal
(24) Valve housing
(25) Packing
(26) Seal ring
(27) Pinion and valve ASSY
(28) Oil seal
(29) Back-up washer
(30) Ball bearing(31) Snap ring
(32) Lock nut
(33) Adjusting screw
(34) Spring
(35) Sleeve
(36) Adapter
(37) Clamp
(38) Cotter pin
(39) Castle nut
(40) Dust seal
(41) Clip
(42) Tie-rod end
(43) Small clip
(44) Boot
(45) Large clip
5
[C2A0]4-3COMPONENT PARTS
2. Power Steering System

(46) Tie-rod
(47) Lock washer
(48) Pipe B
(49) Pipe A
(50) Housing ASSY
(51) Back-up washer
(52) Oil seal
(53) Piston ring
(54) Rack
(55) O-ring
(56) Rack bushing
(57) Oil seal
(58) Rack stopper
(59) Circlip
(60) Spacer(61) Stay (2500 cc model only)
(62) GasketTightening torque: N´m (kg-m, ft-lb)
T1:
5.4±1.5 (0.55±0.15, 4.0±1.1)
T2:7.4±2.0 (0.75±0.20, 5.4±1.4)
T3:8±2 (0.8±0.2, 5.8±1.4)
T4:13±3 (1.3±0.3, 9.4±2.2)
T5:15±5 (1.5±0.5, 10.8±3.6)
T6:15.7±2.4 (1.60±0.24,
11.58
±1.77)
T7:18.1±2.5 (1.85±0.25,
13.35
±1.84)
T8:20.1±2.5 (2.05±0.25, 14.8±1.8)
T9:22±2 (2.2±0.2, 15.9±1.4)
T10:24±3 (2.4±0.3, 17.4±2.2)
T11:24.5±2.0 (2.50±0.2,
18.07
±1.48)
T12:25±5 (2.5±0.5, 18.1±3.6)
T13:27.0±2.5 (2.75±0.25,
19.92
±1.84)
T14:59±12 (6.0±1.2, 43±9)
T15:60.8±6.9 (6.2±0.7, 44.8±5.1)
T16:78±10 (8.0±1.0, 58±7)
T17:83±5 (8.5±0.5, 61.5±3.6)
T18:6.35±1.0 (0.65±0.1, 4.7±0.7)
T19:15.7±2.5 (1.6±0.25, 11.6±1.8)
T20:34±5 (3.5±0.5, 25.3±3.6)
6
4-3[C2A0]COMPONENT PARTS
2. Power Steering System

B: RHD MODEL
B4M1150B
(1) Clamp
(2) Adapter
(3) Hose bracket
(4) Pipe C
(5) Pipe D
(6) Clamp E
(7) Cap
(8) Strainer
(9) Seal washer
(10) Tank
(11) O-ring
(12) Oil pump
(13) Pulley
(14) Bracket
(15) Bush
(16) Belt cover
(17) Universal joint(18) Dust cover
(19) Valve housing
(20) Y-packing
(21) Ball bearing
(22) Spacer
(23) Pinion
(24) Shim
(25) Adapter
(26) Clamp
(27) Castle nut
(28) Cotter pin
(29) Dust seal
(30) Clip
(31) Tie-rod end
(32) Clip
(33) Boot
(34) Wire(35) Tie-rod
(36) Lock washer
(37) Holder
(38) Bush
(39) Y-packing
(40) Oil seal
(41) O-ring
(42) Rack
(43) Oil seal
(44) Back-up washer
(45) Housing ASSY
(46) Pipe A
(47) Pipe B
(48) Lock nut
(49) Adjusting screw
(50) Spring
(51) Sleeve
7
[C2B0]4-3COMPONENT PARTS
2. Power Steering System

(52) GasketTightening torque: N´m (kg-m, ft-lb)
T1:
7.4±2.0 (0.75±0.2, 5.4±1.4)
T2:8±2 (0.8±0.2, 5.8±1.4)
T3:13±3 (1.3±0.3, 9.4±2.2)
T4:15±5 (1.5±0.5, 10.8±3.6)
T5:15.7±2.4 (1.60±0.24,
11.58
±1.77)
T6:18.1±2.5 (1.85±0.26,
13.35
±1.84)
T7:20±4 (2.0±0.4, 14±2.9)
T8:20.1±2.5 (2.05±0.25, 14.8±1.8)
T9:22±2 (2.2±0.2, 15.9±1.4)
T10:24±3 (2.4±0.3, 17.4±2.2)
T11:24.5±2.0 (2.50±0.20,
18.07
±1.48)
T12:25±5 (2.5±0.5, 18.1±3.6)
T13:27.0±2.5 (2.75±0.26,
19.92
±1.84)
T14:59±12 (6.0±1.2, 43±9)
T15:61±7 (6.2±0.7, 44.8±5.1)
T16:64±10 (6.5±1.0, 47±7)
T17:78±10 (8.0±1.0, 58±7)
T18:83±5 (8.5±0.5, 61.5±3.6)
T19:34±5 (3.5±0.5, 25.3±3.6)
8
4-3[C2B0]COMPONENT PARTS
2. Power Steering System

3. Power Steering Oil Pump
B4M0123B
(1) Pulley
(2) Snap ring
(3) Bearing
(4) Oil seal
(5) Shaft
(6) Connector
(7) O-ring
(8) Spool valve(9) Spring
(10) Front casing
(11) Rear cover
(12) Gasket
(13) Knock pin
(14) Cam ring
(15) Vane
(16) Rotor(17) Side plate
Tightening torque: N´m (kg-m, ft-lb)
T1:
16±2 (1.6±0.2, 11.6±1.4)
T2:61±7 (6.2±0.7, 44.8±5.1)
T3:74±5 (7.5±0.5, 54.2±3.6)
9
[C300]4-3COMPONENT PARTS
3. Power Steering Oil Pump