1999 SUBARU LEGACY sensor

2. Transmission
A: GENERAL PRECAUTION
(1) Remove or install transmission in an area
where chain hoists, lifting devices, etc. are avail-
able for ready use.
(2) Be sure not to damage coated surfaces of
body panels with tools or stain seats and windows
with coolant or oil. Place a cover over fenders, as
required, for protection.
(3) Prior to starting work, prepare the following:
Service tools, clean cloth, containers to catch cool-
ant and oil, wire ropes, chain hoist, transmission
jacks, etc.
(4) Lift-up or lower the vehicle when necessary.
Make sure to support the correct positions. to 1-3 [G700].>
B: REMOVAL
1) Open front hood fully, and support with stay.
2) Disconnect battery ground terminal.
3) Remove air intake duct and chamber. (Except
2200 cc California spec. vehicles) [W1A0].>
4) Install air intake duct with air cleaner case.
(2200 cc California spec. vehicles) [W1A0].> and
5) Remove chamber stay.
IMT vehicles
S2M0210
IAT vehicles
S6M0023
6) Disconnect the following connectors.
(1) Oxygen sensor connector
S2M0200A
(1) Front oxygen sensor connector
(2) Rear oxygen sensor connector (California spec.
vehicles)
(2) Transmission harness connector (AT
vehicles)
S2M0212A
(3) Transmission ground terminal
(4) Neutral position switch connector (MT
vehicles)
(5) Back-up light switch connector (MT
vehicles)
B2M0337
21
[W2B0]2-11SERVICE PROCEDURE
2. Transmission

13) Set ST.
ST 41099AA020 ENGINE SUPPORT ASSY
NOTE:
Also is available Part No. 927670000.
G2M0313
14) Remove bolt which holds right upper side of
transmission to engine.
B2M2791
15) Remove exhaust system.
(1) Lift-up the vehicle.
(2) Remove under cover.
(3) Disconnect connector from rear oxygen
sensor. (Except California spec. vehicles)
B2M0335
(4) Remove nuts which install front exhaust
pipe onto engine.
G2M0290
(5) Separate rear exhaust pipe from center
exhaust pipe.
B2M0055
(6) Remove bolt which installs center exhaust
pipe to hanger bracket.
S2M0206
(7) Take off front and center exhaust pipes.
23
[W2B0]2-11SERVICE PROCEDURE
2. Transmission

(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

CAUTION:
Replace straight pin with a new one.
NOTE:
ISet other rods to neutral.
IMake sure interlock plunger (5.56´19.6) is on
the 3-4 fork rod side.
9) Install interlock plunger (3´11.9) onto 3-4 fork
rod.
CAUTION:
Apply a coat of grease to plunger to prevent it
from falling.
10) Install 3-4 fork rod into 3-4 shifter fork via the
hole on the rear of transmission case.
11) Align the holes in rod and fork, and drive
straight pin (6´22) into these holes.
ST 398791700 STRAIGHT PIN REMOVER
CAUTION:
Replace straight pin with a new one.
NOTE:
ISet reverse fork rod to neutral.
IMake sure interlock plunger (installed before) is
on the reverse fork rod side.
12) Install 5th shifter fork onto the rear of reverse
fork rod. Align holes in the two parts and drive
straight pin into place.
CAUTION:
Replace straight pin with a new one.
ST 398791700 STRAIGHT PIN REMOVER
B3M0333J
(A) 5th shifter fork
(B) Reverse fork rod
(C) Straight pin
13) Position balls, checking ball springs and gas-
kets into 3-4 and 1-2 rod holes, and install plugs.
CAUTION:
Replace gasket with a new one.
G3M0552
14) Install washer and speedometer shaft, and
press fit oil seal with ST.
CAUTION:
Use new oil seal, if it has been removed.
ST 899824100 or 499827000 PRESS
15) Install vehicle speed sensor 2.
CAUTION:
Use new vehicle speed sensor 2, if it has been
removed.
Tightening torque:
5.9
±1.5 N´m (60±15 kg-cm, 52±13 in-lb)
16) Install speedometer driven gear and snap
ring.
CAUTION:
Use a new snap ring, if it has been removed.
B3M0527C
(A) Speedometer driven gear
(B) Snap ring
21
[W2B1]3-1SERVICE PROCEDURE
2. Transmission Case

4. Control Valve and Harness Routing
B3M0928A
(1) Stay
(2) Transmission harness
(3) O-ring
(4) O-ring
(5) Torque converter turbine speed
sensor
(6) O-ring
(7) Vehicle speed sensor 2 (Front)
(8) O-ring
(9) Vehicle speed sensor 1 (Rear)
(10) Upper valve body
(11) Accumulator piston(12) Accumulator spring
(13) Side plate
(14) Separate plate
(15) Middle valve body
(16) Separate plate
(17) Fluid filter
(18) Fluid filter
(19) Lower valve body
(20) Shift solenoid 2
(21) Shift solenoid 1
(22) 2-4 brake timing solenoid
(23) Duty solenoid D (2-4 brake)(24) ATF temperature sensor
(25) Duty solenoid A (Line pressure)
(26) Low clutch timing solenoid
(27) Duty solenoid B (Lock-up)
(28) Oil strainer
Tightening torque: N´m (kg-m, ft-lb)
T1:
7±1 (0.7±0.1, 5.1±0.7)
T2:8±1 (0.8±0.1, 5.8±0.7)
20
3-2[C400]COMPONENT PARTS
4. Control Valve and Harness Routing

3) Oil pump housing
IOil pump housing (Defective casting)
IO-ring on the test plugs
IDifferential gear breather
B3M1023
4) Automatic transmission case
ITransmission case (Defective casting)
IMating surface of oil pan
IO-ring on the test plugs
IOil supply pipe connector
IATF cooler pipe connector and gasket
IOil pan drain plug
IO-ring on the transmission harness holder
IOil pump plugs
IATF breather
IShift lever oil seal
IO-ring on the vehicle speed sensor 2 (Front)
IO-ring on the turbine revolution sensor
IATF filter oil seal
B3M1024
5) Extension case
IExtension case (Defective casting)
IO-ring on the vehicle speed sensor 1 (Rear)
IRear drive shaft oil seal
IO-ring on the test plugs
B3M1026
29
[W1B3]3-2SERVICE PROCEDURE
1. General

3. Sensor (in transmission)
A: INSPECTION
1) Remove air intake chamber and duct.
2) Disconnect transmission connector.
S2M0212A
3) Check each sensor, solenoid and ground sys-
tem for short circuits.
S3M0039A
B3M1035A
(A) Torque converter turbine speed
sensor
(B) Vehicle speed sensor 2 (Front)
(C) Vehicle speed sensor 1 (Rear)
(D) ATF temperature sensor(E) Duty solenoid A (Line pressure)
(F) Duty solenoid B (Lock-up)
(G) Duty solenoid C (Transfer)
(H) Duty solenoid D (2-4 brake)
(I) Shift solenoid 1(J) Shift solenoid 2
(K) 2-4 brake timing solenoid
(L) Low clutch timing solenoid
(M) Transmission connector
33
[W3A0]3-2SERVICE PROCEDURE
3. Sensor (in transmission)