1999 SUBARU LEGACY specifications

B: 2500 cc MODEL
Cooling systemElectric fan + Forced engine coolant circula-
tion system
Total engine coolant capacity(US qt, Imp qt) Approx. 6.1 (6.4, 5.4)
Water pumpType Centrifugal impeller type
Discharge performance IDischarge 20(5.3 US gal, 4.4 Imp gal)/min.
Pump speedÐtotal engine
coolant head760 rpm Ð 0.3 mAq (1.0 ftAq)
Engine coolant temperature 85ÉC (185ÉF)
Discharge performance IIDischarge 100(26.4 US gal, 22.0 Imp gal)/min.
Pump speedÐtotal engine
coolant head3,000 rpm Ð 5.0 mAq (16.4 ftAq)
Engine coolant temperature 85ÉC (185ÉF)
Discharge performance IIIDischarge 200(52.8 US gal, 44.0 Imp gal)/min.
Pump speedÐtotal engine
coolant head6,000 rpm Ð 23.0 mAq (75.5 ftAq)
Engine coolant temperature 85ÉC (185ÉF)
Impeller diameter 76 mm (2.99 in)
Number of impeller vanes 8
Pump pulley diameter 60 mm (2.36 in)
ThermostatTypeWax pellet type
Starts to open 76 Ð 80ÉC (169 Ð 176ÉF)
Fully opened 91ÉC (196ÉF)
Valve lift 9.0 mm (0.354 in) or more
Valve bore 35 mm (1.38 in)
Radiator fanMotor120 W (main fan)
140 W (sub fan)
Fan diameter´Blade340 mm (13.39 in)´5 (main fan)
280 mm (11.02 in)´4 (sub fan)
RadiatorType Cross flow, pressure type
Core dimensions670´361´16 mm
(26.38´14.21´0.63 in)
Pressure range in which cap valve is openAbove: 88±10 kPa
(0.9±0.1 kg/cm
2, 12.8±1.4 psi)
Below: þ4.9 to þ9.8 kPa
(þ0.05 to þ0.1 kg/cm
2, þ0.7 to þ1.4 psi)
FinsCorrugated fin type
Reservoir
tankCapacity 0.5(0.5 US qt, 0.4 Imp qt)
2. Service Data
Water pump
Clearance between impeller and caseStandard0.5 Ð 0.7 mm (0.020 Ð 0.028
in)
Limit 1.0 mm (0.039 in)
ªThrustº runout of impeller end 0.5 mm (0.020 in)
3
[S200]2-5SPECIFICATIONS AND SERVICE DATA
2. Service Data

1. Specifications
Fuel tankCapacity 60(15.9 US gal, 13.2 Imp gal)
Location Under rear seat
Fuel pumpType Impeller
Discharge pressure 299.1 kPa (3.05 kg/cm
2, 43.4 psi)
Discharge flowAWD: More than 80(21.1 US gal, 17.6 Imp gal)/h
[12 V at 300 kPa (3.06 kg/cm
2, 43.5 psi)]
Fuel filterCartridge type
2
2-8[S100]SPECIFICATIONS AND SERVICE DATA
1. Specifications

1. Clutch System
2200 cc 2500 cc
Clutch cover Diaphragm set load kg (lb) 450 (992) 550 (1,213)
Clutch discFacing material Woven
O.D.´I.D.´thickness mm (in) 225´150´3.5 (8.86´5.91´0.138)
Spline O.D. (No. of teeth) mm (in) 25.2 (0.992) (24)
Depth of rivet head mm
(in)Standard 1.3 Ð 1.9 (0.051 Ð 0.075)
Limit of sinking 0.3 (0.012)
Limit for runout mm (in) 1.0 (0.039) at R = 107 (4.21)
Clutch release lever ratio 3.0 1.6
Release bearingGrease-packed self-aligning
Release leverStroke mm (in) 24 Ð 26 (0.94 Ð 1.02)
Play at release lever center mm (in)3 Ð 4 (0.12 Ð 0.16)
Clutch pedal Full stroke mm (in)140 Ð 150
(5.51 Ð 5.91)130 Ð 135
(5.12 Ð 5.31)
2
2-10[S100]SPECIFICATIONS AND SERVICE DATA
1. Clutch System

1. Manual Transmission and Differential
ItemModel
AWD
2200 cc 2500 cc 2500 cc OUTBACK
Type 5-forward speeds with synchromesh and 1-reverse
Transmission gear ratio1st 3.545
2nd 2.111
3rd 1.448
4th 1.088
5th 0.780 0.871
Reverse 3.333
Front reduction
gearFinalType of gear Hypoid
Gear ratio 3.900 4.111
Rear reduction
gearTransferType of gear Helical
Gear ratio 1.000
FinalType of gear Hypoid
Gear ratio 3.900 4.111
Front differential Type and number of gear Straight bevel gear (Bevel pinion: 2, Bevel gear: 2)
Center differential Type and number of gearStraight bevel gear (Bevel pinion: 2, Bevel gear: 2 and vis-
cous coupling)
Transmission gear oilGL-5
Transmission oil capacity 3.5(3.7 US qt, 3.1 Imp qt)
2. Transmission Gear Oil
Recommended oil
B1H0024
3. Transmission Case
Assembly
Drive pinion shim adjustment
Drive pinion shim
Part No.Thickness
mm (in)Part No.Thickness
mm (in)
32295AA0310.150
(0.0059)32295AA0710.250
(0.0098)
32295AA0410.175
(0.0069)32295AA0810.275
(0.0108)
32295AA0510.200
(0.0079)32295AA0910.300
(0.0118)
32295AA0610.225
(0.0089)32295AA1010.500
(0.0197)
Hypoid gear backlash
0.13 Ð 0.18 mm (0.0051 Ð 0.0071 in)
Selection of main shaft rear plate
Main shaft rear plate
Dimension ªAº mm
(in)Part No. Mark
4.00 Ð 4.13
(0.1575 Ð 0.1626)32294AA041 1
3.87 Ð 3.99
(0.1524 Ð 0.1571)32294AA051 2
2
3-1[S100]SPECIFICATIONS AND SERVICE DATA
1. Manual Transmission and Differential

1. Manual Transmission and Differential
ItemModel
AWD
2200 cc 2500 cc 2500 cc OUTBACK
Type 5-forward speeds with synchromesh and 1-reverse
Transmission gear ratio1st 3.545
2nd 2.111
3rd 1.448
4th 1.088
5th 0.780 0.871
Reverse 3.333
Front reduction
gearFinalType of gear Hypoid
Gear ratio 3.900 4.111
Rear reduction
gearTransferType of gear Helical
Gear ratio 1.000
FinalType of gear Hypoid
Gear ratio 3.900 4.111
Front differential Type and number of gear Straight bevel gear (Bevel pinion: 2, Bevel gear: 2)
Center differential Type and number of gearStraight bevel gear (Bevel pinion: 2, Bevel gear: 2 and vis-
cous coupling)
Transmission gear oilGL-5
Transmission oil capacity 3.5(3.7 US qt, 3.1 Imp qt)
2. Transmission Gear Oil
Recommended oil
B1H0024
3. Transmission Case
Assembly
Drive pinion shim adjustment
Drive pinion shim
Part No.Thickness
mm (in)Part No.Thickness
mm (in)
32295AA0310.150
(0.0059)32295AA0710.250
(0.0098)
32295AA0410.175
(0.0069)32295AA0810.275
(0.0108)
32295AA0510.200
(0.0079)32295AA0910.300
(0.0118)
32295AA0610.225
(0.0089)32295AA1010.500
(0.0197)
Hypoid gear backlash
0.13 Ð 0.18 mm (0.0051 Ð 0.0071 in)
Selection of main shaft rear plate
Main shaft rear plate
Dimension ªAº mm
(in)Part No. Mark
4.00 Ð 4.13
(0.1575 Ð 0.1626)32294AA041 1
3.87 Ð 3.99
(0.1524 Ð 0.1571)32294AA051 2
2
3-1[S100]SPECIFICATIONS AND SERVICE DATA
1. Manual Transmission and Differential

1. Manual Transmission and Differential
ItemModel
AWD
2200 cc 2500 cc 2500 cc OUTBACK
Type 5-forward speeds with synchromesh and 1-reverse
Transmission gear ratio1st 3.545
2nd 2.111
3rd 1.448
4th 1.088
5th 0.780 0.871
Reverse 3.333
Front reduction
gearFinalType of gear Hypoid
Gear ratio 3.900 4.111
Rear reduction
gearTransferType of gear Helical
Gear ratio 1.000
FinalType of gear Hypoid
Gear ratio 3.900 4.111
Front differential Type and number of gear Straight bevel gear (Bevel pinion: 2, Bevel gear: 2)
Center differential Type and number of gearStraight bevel gear (Bevel pinion: 2, Bevel gear: 2 and vis-
cous coupling)
Transmission gear oilGL-5
Transmission oil capacity 3.5(3.7 US qt, 3.1 Imp qt)
2. Transmission Gear Oil
Recommended oil
B1H0024
3. Transmission Case
Assembly
Drive pinion shim adjustment
Drive pinion shim
Part No.Thickness
mm (in)Part No.Thickness
mm (in)
32295AA0310.150
(0.0059)32295AA0710.250
(0.0098)
32295AA0410.175
(0.0069)32295AA0810.275
(0.0108)
32295AA0510.200
(0.0079)32295AA0910.300
(0.0118)
32295AA0610.225
(0.0089)32295AA1010.500
(0.0197)
Hypoid gear backlash
0.13 Ð 0.18 mm (0.0051 Ð 0.0071 in)
Selection of main shaft rear plate
Main shaft rear plate
Dimension ªAº mm
(in)Part No. Mark
4.00 Ð 4.13
(0.1575 Ð 0.1626)32294AA041 1
3.87 Ð 3.99
(0.1524 Ð 0.1571)32294AA051 2
2
3-1[S100]SPECIFICATIONS AND SERVICE DATA
1. Manual Transmission and Differential

4. Drive Pinion Assembly
Preload adjustment of thrust bearing
Starting torque
0.3 Ð 0.8 N´m (3 Ð 8 kg-m, 2.6 Ð 6.9 in-lb)
Adjusting washer No. 1
Part No. Thickness mm (in)
803025051 3.925 (0.1545)
803025052 3.950 (0.1555)
803025053 3.975 (0.1565)
803025054 4.000 (0.1575)
803025055 4.025 (0.1585)
803025056 4.050 (0.1594)
803025057 4.075 (0.1604)
Adjusting washer No. 2
Part No. Thickness mm (in)
803025059 3.850 (0.1516)
803025054 4.000 (0.1575)
803025058 4.150 (0.1634)
Assemble a driven shaft and 1st driven gear that
are selected for the proper radial clearance adjust-
ment
Driven shaft 1st driven gear
Part No.Diameter A
mm (in)Part No.
32229AA15049.959 Ð 49.966
(1.9669 Ð 1.9672)32231AA730
32229AA14049.967 Ð 49.975
(1.9672 Ð 1.9675)32231AA720
5. Reverse Idler Gear
Adjustment of reverse idler gear position
Reverse idler gear to transmission case (LH) wall
clearance
6.0 Ð 7.5 mm (0.236 Ð 0.295 in)
Reverse shifter lever
Part No. Mark Remarks
32820AA070 7Further from case
wall
32820AA080 8 Standard
32820AA090 9Closer to the case
wall
After installing a suitable reverse shifter lever,
adjust reverse idler gear to transmission case wall
clearance to within 0 to 0.5 mm (0 to 0.020 in)
using washers.
Washer (20.5´26´t)
Part No.Thickness
mm (in)Part No.Thickness
mm (in)
803020151 0.4 (0.016) 803020154 1.9 (0.075)
803020152 1.1 (0.043) 803020155 2.3 (0.091)
803020153 1.5 (0.059) Ð Ð
3
[S500]3-1SPECIFICATIONS AND SERVICE DATA
5. Reverse Idler Gear

4. Drive Pinion Assembly
Preload adjustment of thrust bearing
Starting torque
0.3 Ð 0.8 N´m (3 Ð 8 kg-m, 2.6 Ð 6.9 in-lb)
Adjusting washer No. 1
Part No. Thickness mm (in)
803025051 3.925 (0.1545)
803025052 3.950 (0.1555)
803025053 3.975 (0.1565)
803025054 4.000 (0.1575)
803025055 4.025 (0.1585)
803025056 4.050 (0.1594)
803025057 4.075 (0.1604)
Adjusting washer No. 2
Part No. Thickness mm (in)
803025059 3.850 (0.1516)
803025054 4.000 (0.1575)
803025058 4.150 (0.1634)
Assemble a driven shaft and 1st driven gear that
are selected for the proper radial clearance adjust-
ment
Driven shaft 1st driven gear
Part No.Diameter A
mm (in)Part No.
32229AA15049.959 Ð 49.966
(1.9669 Ð 1.9672)32231AA730
32229AA14049.967 Ð 49.975
(1.9672 Ð 1.9675)32231AA720
5. Reverse Idler Gear
Adjustment of reverse idler gear position
Reverse idler gear to transmission case (LH) wall
clearance
6.0 Ð 7.5 mm (0.236 Ð 0.295 in)
Reverse shifter lever
Part No. Mark Remarks
32820AA070 7Further from case
wall
32820AA080 8 Standard
32820AA090 9Closer to the case
wall
After installing a suitable reverse shifter lever,
adjust reverse idler gear to transmission case wall
clearance to within 0 to 0.5 mm (0 to 0.020 in)
using washers.
Washer (20.5´26´t)
Part No.Thickness
mm (in)Part No.Thickness
mm (in)
803020151 0.4 (0.016) 803020154 1.9 (0.075)
803020152 1.1 (0.043) 803020155 2.3 (0.091)
803020153 1.5 (0.059) Ð Ð
3
[S500]3-1SPECIFICATIONS AND SERVICE DATA
5. Reverse Idler Gear