transmission SUBARU LEGACY 1999 Service Owner's Guide

(1) Install heat shield cover.
G2M0830
(2) Install rear exhaust pipe to muffler.
Tightening torque:
48
±9 N´m (4.9±0.9 kg-m, 35.4±6.5 ft-lb)
G2M0382
(3) Install hanger bracket on right side of trans-
mission.
B2M0032
(4) Install front exhaust pipe onto engine.
Tightening torque:
30
±5 N´m (3.1±0.5 kg-m, 22.4±3.6 ft-lb)
G2M0290
(5) Install center exhaust pipe to rear exhaust
pipe.
Tightening torque:
18
±5 N´m (1.8±0.5 kg-m, 13.0±3.6 ft-lb)
G2M0291
(6) Tighten bolt which installs center exhaust
pipe to hanger bracket.
Tightening torque:
30
±5 N´m (3.1±0.5 kg-m, 22.4±3.6 ft-lb)
S2M0206
(7) Connect connector to rear oxygen sensor.
(Except 2500 cc California spec. vehicles)
B2M0335
(8) Install under cover.
30
2-11[W2C0]SERVICE PROCEDURE
2. Transmission

18) Install ATF level gauge. (AT vehicles)
S2M0214
19) Connect the following connectors.
(1) Transmission harness connectors (AT
vehicles)
(2) Transmission ground terminal
(3) Front oxygen sensor connector
(4) Rear oxygen sensor connector (California
spec. vehicles)
(5) Neutral position switch connector (MT
vehicles)
(6) Back-up light switch connector (MT
vehicles)
20) Connect the following cables.
(1) Cruise control cable
(With cruise control vehicles)
(2) Clutch cable (2200 cc MT vehicles)
21) Install return spring.
(Without hill holder vehicles)
22) Install starter.
(1) Install starter onto transmission case, and
connect connectors and terminals.
(2) Tighten bolt and nut which install starter
onto transmission.
Tightening torque:
40
±4 N´m (4.1±0.4 kg-m, 29.7±2.9 ft-lb)
G2M0309
23) Install chamber stay.
IMT vehicles
S2M0210
IAT vehicles
S6M0023
24) Install air intake duct and chamber. (Except
2200 cc California spec. vehicles) [W1A0].>
25) Install air intake duct with air cleaner case.
(2200 cc California spec. vehicles) [W1A0].> and
26) Connect battery ground cable.
27) Fill ATF and differential gear oil. (AT vehicles)

28) Check selector lever operation. (AT vehicles)

29) Take off vehicle from lift arms.
30) Check the vehicle on road tester. (AT vehicles)

31
[W2C0]2-11SERVICE PROCEDURE
2. Transmission

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

1. Transmission Case
B3M1356A
(1) Transmission case ASSY
(2) Gasket
(3) Drain plug
(4) Snap ring (Outer)
(5) Speedometer driven gear
(6) Washer(7) Speedometer shaft
(8) Snap ring (Outer)
(9) Oil seal
(10) Oil level gauge
(11) Pitching stopper bracket
(12) Clamp(13) Clip
Tightening torque: N´m (kg-m, ft-lb)
T:
44±3 (4.5±0.3, 32.5±2.2)
Size All models Torque
8 mm bolt <5> Ð <15>25±2 N´m
(2.5±0.2 kg-m,
18.1±1.4 ft-lb)
10 mm bolt<1> Ð <4>
<16> Ð <17>39±2 N´m
(4.0±0.2 kg-m,
28.9±1.4 ft-lb)
6
3-1[C100]COMPONENT PARTS
1. Transmission Case

3. Main Shaft Assembly
A: 2200 cc MODEL
B3M1404A
(1) Oil seal
(2) Needle bearing
(3) Transmission main shaft
(4) Needle bearing
(5) 3rd drive gear
(6) Inner baulk ring
(7) Synchro cone
(8) Outer baulk ring
(9) Coupling sleeve (3rd-4th)
(10) Synchronizer hub (3rd-4th)
(11) Shifting insert key (3rd-4th)
(12) Baulk ring (4th)(13) 4th drive gear
(14) 4th needle bearing race
(15) Needle bearing
(16) 4th gear thrust washer
(17) Ball bearing
(18) 5th gear thrust washer
(19) 5th needle bearing race
(20) Needle bearing
(21) Main shaft rear plate
(22) 5th drive gear
(23) Baulk ring (5th)
(24) Shifting insert key (5th-Rev)(25) Synchronizer hub (5th-Rev)
(26) Coupling sleeve (5th-Rev)
(27) Insert stopper plate
(28) Lock washer
(29) Lock nut
(30) Straight pin
(31) Reverse idler gear shaft
(32) Reverse idler gear
(33) Washer
Tightening torque: N´m (kg-m, ft-lb)
T:
11 8±6 (12.0±0.6, 86.8±4.3)
8
3-1[C3A0]COMPONENT PARTS
3. Main Shaft Assembly

B: 2500 cc MODEL
B3M1357A
(1) Oil seal
(2) Needle bearing
(3) Transmission main shaft
(4) Needle bearing
(5) 3rd drive gear
(6) Inner baulk ring
(7) Synchro cone (3rd)
(8) Outer baulk ring
(9) Coupling sleeve (3rd-4th)
(10) Synchronizer hub (3rd-4th)
(11) Shift insert key (3rd-4th)
(12) 4th baulk ring
(13) 4th drive gear
(14) 4th needle bearing race(15) Needle bearing
(16) 4th gear thrust washer
(17) Ball bearing
(18) 5th gear thrust washer
(19) 5th needle bearing race
(20) Needle bearing
(21) Main shaft rear plate
(22) 5th drive gear
(23) 5th baulk ring
(24) Shift insert key (5th-Rev)
(25) Synchronizer hub (5th-Rev)
(26) Coupling sleeve
(27) Rev baulk ring
(28) Synchro cone (Rev)(29) Ball bearing
(30) Synchro cone stopper
(31) Snap ring
(32) Lock washer
(33) Lock nut
(34) Straight pin
(35) Reverse idler gear shaft
(36) Reverse idler gear
(37) Washer
Tightening torque: N´m (kg-m, ft-lb)
T:
11 8±6 (12.0±0.6, 86.8±4.3)
9
[C3B0]3-1COMPONENT PARTS
3. Main Shaft Assembly