1996 SUBARU LEGACY torque

B3M0037A
B: PRECAUTIONS
1) The following job should be followed before disassem-
bly:
(1) Clean oil, grease, dirt and dust from transmission.
(2) Remove drain plug

1to drain oil. After draining,
retighten it as before.
CAUTION:
Replace gasket with a new one.
Tightening torque:
44±3 N⋅m (4.5±0.3 kg-m, 32.5±2.2 ft-lb)
G3M0517
(3) Attach transmission to ST.
ST 499937100 TRANSMISSION STAND SET
2) Rotating parts should be coated with oil prior to assem-
bly.
3) All disassembled parts, if to be reused, should be rein-
stalled in the original positions and directions.
4) Gaskets and lock washers must be replaced with new
ones.
5) Liquid gasket should be used where specified to pre-
vent leakage.
6) Fill transmission gear oil through the oil level gauge
hole up to upper point level gauge.
C: INSPECTION
Disassembled parts should be washed clean first and then
inspected carefully.
1) Bearings
Replace bearings in the following cases:
Bearings whose balls, outer races and inner races are
broken or rusty.
Worn bearings
Bearings that fail to turn smoothly or make abnormal
noise when turned after gear oil lubrication.
B3M0038A
The ball bearing
3on the rear side of the drive pinion shaft


2should be checked for smooth rotation before the drive
pinion assembly is disassembled. In this case, because a
preload is working on the bearing, its rotation feels like it is
slightly dragging unlike the other bearings.
Bearings having other defects
16
3-1SERVICE PROCEDURE
1. General

B: DISASSEMBLY
1. SEPARATION OF TRANSFER CASE AND
EXTENSION ASSEMBLY
G3M0523
1) Separate transfer case
1and extension assembly
2.
2) Remove transfer driven gear

3and center differential


4as a set.
3) Remove thrust washer

5(52x61xt).
B3M0042A
2. TRANSFER CASE
1) Remove neutral switch

6.
NOTE:
Before removing shifter arm, disconnect neutral switch.
2) Draw out shifter arm

1and remove selector arm
8.
3) Remove plug

2, spring
3and reverse check ball
4.
Tightening torque:
T1: 6.4±0.5 N⋅m (0.65±0.05 kg-m, 4.7±0.4 ft-lb)
T2: 10±1 N⋅m (1.0±0.1 kg-m, 7.2±0.7 ft-lb)
T3: 19.6±1.5 N⋅m (2.00±0.15 kg-m, 14.5±1.1 ft-lb)
T4: 25±2 N⋅m (2.5±0.2 kg-m, 18.1±1.4 ft-lb)
20
3-1SERVICE PROCEDURE
2. Transfer Case and Extension (AWD Model)

B3M0043A
4) Remove reverse check sleeve
5.
Disassembly procedure is as follows:
(1) Using a standard screwdriver, remove snap ring

A
(Inner-28).
NOTE:
Replace snap ring with a new one if deformed or weak-
ened.
(2) Remove reverse check plate

B.
(3) Remove reverse check spring

Cwith cam
D.
(4) Remove reverse return spring

E.
(5) Remove reverse accent shaft

F.
(6) Remove O-ring

G.
NOTE:
Reverse check sleeve assembly uses an O-ring which
should not be scratched.
Be careful not to break adjustment shim placed between
reverse check sleeve assembly and case.
B3M0042A
5) Remove back-up light switch
7.
6) Remove oil guide

9.
Tightening torque:
T1: 6.4±0.5 N⋅m (0.65±0.05 kg-m, 4.7±0.4 ft-lb)
T2: 10±1 N⋅m (1.0±0.1 kg-m, 7.2±0.7 ft-lb)
T3: 19.6±1.5 N⋅m (2.00±0.15 kg-m, 14.5±1.1 ft-lb)
T4: 25±2 N⋅m (2.5±0.2 kg-m, 18.1±1.4 ft-lb)
21
3-1SERVICE PROCEDURE
2. Transfer Case and Extension (AWD Model)

C: ASSEMBLY
1. EXTENSION
G3M0953
Tightening torque: N⋅m (kg-m, ft-lb)
T: 25±2 (2.5±0.2, 18.1±1.4)
1) Installation of ball bearing
1and selection of snap ring


2(Inner-72)
(1) Attach ball bearing

1(30 x 72 x 17) to extension
and install snap ring

2.
B3M0044A
(2) Measure clearance between snap ring
2and outer
race of ball bearing

1with a thickness gauge.
CAUTION:
Replace ball bearing with a new one.
Clearance:
0—0.15 mm (0—0.0059 in)
(3) If the measurement is not within the specification,
select suitable snap ring

2.
Snap ring (Inner-72)
Part No. Thickness mm (in)
805172071 1.78 (0.0701)
805172072 1.90 (0.0748)
805172073 2.02 (0.0795)
23
3-1SERVICE PROCEDURE
2. Transfer Case and Extension (AWD Model)

B3M0042A
2) Installation of shifter arm
1and selector arm
8
Install shifter arm into the partition from the front while
inserting selector arm into the opening in reverse check
sleeve. Pass shaft through hole in selector arm until its end
comes out of the rear of transfer case.
NOTE:
Apply a coat of gear oil to shifter arm. Also make sure oil
seal is positioned properly.
Tightening torque:
T1: 6.4±0.5 N⋅m (0.65±0.05 kg-m, 4.7±0.4 ft-lb)
T2: 10±1 N⋅m (1.0±0.1 kg-m, 7.2±0.7 ft-lb)
T3: 19.6±1.5 N⋅m (2.00±0.15 kg-m, 14.5±1.1 ft-lb)
T4: 25±2 N⋅m (2.5±0.2 kg-m, 18.1±1.4 ft-lb)
B3M0049A
3. COMBINATION OF TRANSFER CASE AND
EXTENSION ASSEMBLY
1) Install center differential

1and transfer driven gear
2
into transfer case.
Tightening torque:
T: 37±3 N⋅m (3.8±0.3 kg-m, 27.5±2.2 ft-lb)
B3M0050A
2) Selection of thrust washer (52 x 61 x t)
(1) Measure height“W”between transfer case and ball
bearing on the transfer driven gear

3.
26
3-1SERVICE PROCEDURE
2. Transfer Case and Extension (AWD Model)

D: INSTALLATION
B3M0053A
Tightening torque: N⋅m (kg-m, ft-lb)
T1: 15.7±1.5 (1.6±0.15, 11.6±1.1)
T2: 19.6±1.5 (2.00±0.15, 14.5±1.1)
T3: 24.5±2.0 (2.50±0.20, 18.1±1.4)
1) Install transfer case
2with extension assembly
1.
2) Secure selector arm to shifter arm with shifter fork
screw

3. Shifter arm should be caught by pawl of rod.
Selector arm must be engaged with reverse check sleeve
assembly.
3) Adjustment of neutral position
(1) Shift gear into 3rd gear position.
(2) Shifter arm turns lightly toward the 1st/2nd gear
side but heavily toward the reverse gear side because
of the function of the return spring, until arm contacts
the stopper.
(3) Make adjustment so that the heavy stroke (reverse
side) is a little more than the light stroke (1st/2nd side).
(4) To adjust, remove bolts holding reverse check
sleeve assembly

4to the case, move sleeve assem-
bly outward, and place adjustment shim (0 to 1 ea.)
between sleeve assembly and case to adjust the clear-
ance.
28
3-1SERVICE PROCEDURE
2. Transfer Case and Extension (AWD Model)

3. Rear Case (FWD Model)
A: DISASSEMBLY
G3M0952
Tightening torque: N⋅m (kg-m, ft-lb)
T1: 6.4±0.5 (0.65±0.05, 4.7±0.4)
T2: 10±1 (1.0±0.1, 7.2±0.7)
T3: 25±2 (2.5±0.2, 18.1±1.4)
1) Remove rear case
1.
2) Remove plug

2, spring
3and reverse check ball
4.
3) Remove neutral switch

5.
4) Pull out shifter arm

6.
5) Remove reverse check sleeve

7.
NOTE:
The disassembly procedure is the same as for AWD model.
B3M0056A
6) Remove back-up light switch
8.
7) Remove oil seal

9.
CAUTION:
Do not reuse oil seal.
30
3-1SERVICE PROCEDURE
3. Rear Case (FWD Model)

B: ASSEMBLY
1) Assembly of rear case is in the reverse order of disas-
sembly.
G3M0952
Tightening torque: N⋅m (kg-m, ft-lb)
T1: 6.4±0.5 (0.65±0.05, 4.7±0.4)
T2: 10±1 (1.0±0.1, 7.2±0.7)
T3: 25±5 (2.5±0.5, 18.1±3.6)
2) Installation of shifter arm
6
Install shifter arm into the partition from the front while
inserting selector arm into the opening in reverse check
sleeve. Pass shaft through hole in selector arm until its end
comes out of the rear of transmission case assembly.
CAUTION:
Apply a coat of gear oil to shifter arm. Also make sure
oil seal is positioned properly.
3) Adjustment of neutral position
NOTE:
After assembling and installing rear case, adjust neutral
position.
(1) Shift gear into 3rd gear position.
(2) Shifter arm turns lightly toward the 1st/2nd gear
side but heavily toward the reverse gear side because
of the function of the return spring, until arm contacts
the stopper.
(3) Make adjustment so that the heavy stroke (reverse
side) is a little more than the light stroke (1st/2nd side).
(4) To adjust, remove bolts holding reverse check
sleeve assembly to the case, move sleeve assembly
outward, and place adjustment shim (0 to 1 ea.)
between sleeve assembly and case to adjust the clear-
ance.
31
3-1SERVICE PROCEDURE
3. Rear Case (FWD Model)