Subaru Legacy (2005 year). Manual - part 587

5AT-47

AUTOMATIC TRANSMISSION

Transmission Mounting System

10.Transmission Mounting Sys-

tem

A: REMOVAL

1. PITCHING STOPPER

1) Disconnect the ground cable from battery.
2) Remove the intercooler. (Turbo model)
<Ref. to IN(H4DOTC)-12, REMOVAL, Intercool-
er.>
3) Remove the air intake chamber. (Non-turbo
model) <Ref. to IN(H6DO)-7, REMOVAL, Air Intake
Chamber.>
4) Remove the pitching stopper.

2. TRANSMISSION REAR CROSSMEMBER 
& REAR CUSHION RUBBER

1) Disconnect the ground cable from battery.
2) Lift-up the vehicle.
3) Remove the center exhaust pipe, rear exhaust
pipe and muffler. (Turbo model)
<Ref. to EX(H4DOTC)-6, REMOVAL, Center Ex-
haust Pipe.> <Ref. to EX(H4DOTC)-11, REMOV-
AL, Rear Exhaust Pipe.> <Ref. to EX(H4DOTC)-
12, REMOVAL, Muffler.>
4) Remove the front exhaust pipe, rear exhaust
pipe and muffler. (Non-turbo model) <Ref. to
EX(H6DO)-4, REMOVAL, Front Exhaust Pipe.>
<Ref. to EX(H6DO)-7, REMOVAL, Rear Exhaust
Pipe.> <Ref. to EX(H6DO)-9, REMOVAL, Muffler.>
5) Remove the heat shield cover.
6) Set the transmission jack under the transmis-
sion. Make sure that the support plate of transmis-
sion jack does not touch the oil pan.

7) Remove the transmission rear crossmember.

8) Remove the rear cushion rubber.

B: INSTALLATION

1. PITCHING STOPPER

1) Install the pitching stopper.

Tightening torque:

T1: 50 N

⋅

m (5.1 kgf-m, 36.9 ft-lb)

T2: 58 N

⋅

m (5.9 kgf-m, 42.8 ft-lb)

2) Install the intercooler. (Turbo model)
<Ref. to IN(H4DOTC)-12, INSTALLATION, Inter-
cooler.>
3) Install the air intake chamber. (Non-turbo model)
<Ref. to IN(H6DO)-7, INSTALLATION, Air Intake
Chamber.>
4) Connect the ground cable to battery.

AT-01368

AT-01377

AT-01380

T2

T1

5AT-48

AUTOMATIC TRANSMISSION

Transmission Mounting System

2. TRANSMISSION REAR CROSSMEMBER 
& REAR CUSHION RUBBER

1) Install the rear cushion rubber.

Tightening torque:

35 N

⋅

m (3.6 kgf-m, 26 ft-lb)

2) Install the crossmember.

Tightening torque:

70 N

⋅

m (7.1 kgf-m, 51.6 ft-lb)

3) Remove the transmission jack.
4) Install the heat shield cover.
5) Install the center exhaust pipe, rear exhaust pipe
and muffler. (Turbo model)
<Ref. to EX(H4DOTC)-7, INSTALLATION, Center
Exhaust Pipe.> <Ref. to EX(H4DOTC)-11, IN-
STALLATION, Rear Exhaust Pipe.> <Ref. to
EX(H4DOTC)-12, INSTALLATION, Muffler.>
6) Install the front exhaust pipe, rear exhaust pipe
and muffler. (Non-turbo model) <Ref. to
EX(H6DO)-5, INSTALLATION, Front Exhaust
Pipe.> <Ref. to EX(H6DO)-7, INSTALLATION,
Rear Exhaust Pipe.> <Ref. to EX(H6DO)-9, IN-
STALLATION, Muffler.>
7) Connect the ground cable to battery.

C: INSPECTION

Repair or replace parts if the results of the inspec-
tion below are not satisfied.

1. PITCHING STOPPER

Check the pitching stopper for bends or damage.
Ensure there are no cracks, hardening or damage
on rubbers. 

2. TRANSMISSION REAR CROSSMEMBER 
& REAR CUSHION RUBBER

Check the crossmember for bends or damage. En-
sure there are no cracks, hardening, or damage on
cushion rubbers.

AT-01377

5AT-49

AUTOMATIC TRANSMISSION

Extension Case Oil Seal

11.Extension Case Oil Seal

A: INSPECTION

Inspect there is no ATF leakage from the joint of
transmission and propeller shaft. If leaked, replace
the oil seal. <Ref. to 5AT-49, REPLACEMENT, Ex-
tension Case Oil Seal.>

B: REPLACEMENT

1) Lift-up the vehicle.
2) Clean the transmission exterior.
3) Remove the ATF drain plug to drain ATF.

CAUTION:
Directly after the vehicle has been running, the 
ATF is hot. Be careful not to burn yourself.
4) Tighten the ATF drain plug.

NOTE:
Use a new gasket.

Tightening torque:

20 N

⋅

m (2.0 kgf-m, 14.8 ft-lb)

5) Remove the rear exhaust pipe and muffler. (Tur-
bo model)
<Ref. to EX(H4DOTC)-11, REMOVAL, Rear Ex-
haust Pipe.> <Ref. to EX(H4DOTC)-12, REMOV-
AL, Muffler.>
6) Remove the rear exhaust pipe and muffler.
(Non-turbo model) <Ref. to EX(H6DO)-7, REMOV-
AL, Rear Exhaust Pipe.> <Ref. to EX(H6DO)-9,
REMOVAL, Muffler.>
7) Remove the heat shield cover.

8) Remove the propeller shaft. <Ref. to DS-10, RE-
MOVAL, Propeller Shaft.>
9) Using the ST, remove the oil seal.
ST

398527700

PULLER ASSY

10) Using the ST, install the oil seal.
ST

498057300

INSTALLER

11) Install the propeller shaft. <Ref. to DS-11, IN-
STALLATION, Propeller Shaft.>
12) Install the heat shield cover.

13) Install the rear exhaust pipe and muffler. (Turbo
model)
<Ref. to EX(H4DOTC)-11, INSTALLATION, Rear
Exhaust Pipe.> <Ref. to EX(H4DOTC)-12, IN-
STALLATION, Muffler.>
14) Install the rear exhaust pipe and muffler. (Non-
turbo model) <Ref. to EX(H6DO)-7, INSTALLA-
TION, Rear Exhaust Pipe.> <Ref. to EX(H6DO)-7,
INSTALLATION, Rear Exhaust Pipe.>
15) Pour ATF into the oil charge pipe.

Specified fluid:

<Ref. to 5AT-2, SPECIFICATION, General De-
scription.>

Capacity:

Fill the same amount of ATF when drained.

16) Check the level and leaks of ATF. <Ref. to 5AT-
28, Automatic Transmission Fluid.>

(A) Oil pan

(B) ATF drain plug

(A)

AT-03126

(B)

AT-01331

AT-01331

5AT-50

AUTOMATIC TRANSMISSION

Differential Side Retainer Oil Seal

12.Differential Side Retainer Oil 

Seal

A: INSPECTION

Check the leakage of gear oil from differential side
retainer oil seal part. If there is oil leakage, replace
the oil seal.

B: REPLACEMENT

1) Lift-up the vehicle.
2) Remove the front exhaust pipe and center ex-
haust pipe. (Turbo model) <Ref. to EX(H4DOTC)-
5, REMOVAL, Front Exhaust Pipe.> <Ref. to
EX(H4DOTC)-6, REMOVAL, Center Exhaust
Pipe.>
3) Remove the front exhaust pipe. (Non-turbo mod-
el) <Ref. to EX(H6DO)-4, REMOVAL, Front Ex-
haust Pipe.> <Ref. to EX(H4DOTC)-6, REMOVAL,
Center Exhaust Pipe.>
4) Remove the differential gear oil drain plug using
TORX

®

 BIT T70, and then drain differential gear

oil.

CAUTION:
• Directly after the vehicle has been running,
differential gear oil is hot. Be careful not to burn
yourself.
• Be careful not to spill the differential gear oil
on exhaust pipe to prevent it from emitting
smoke or fire. When the differential gear oil is
spilled on exhaust pipe, wipe it away complete-
ly.

5) Tighten the differential gear oil drain plug.

NOTE:
Use a new gasket.

Tightening torque:

70 N

⋅

m (7.1 kgf-m, 51.6 ft-lb)

6) Separate the front drive shaft from transmission.
<Ref. to DS-22, REMOVAL, Front Drive Shaft.>
7) Remove the differential side retainer oil seal us-
ing driver wrapped with vinyl tape or etc.

8) Using the ST, install the differential side retainer
oil seal by slightly tapping with hammer.
ST

18675AA000

DIFFERENTIAL SIDE OIL 
SEAL INSTALLER

9) Apply oil to the oil seal lips.
10) Install the front drive shaft. <Ref. to DS-22, IN-
STALLATION, Front Drive Shaft.>
11) Install the front and center exhaust pipes. (Tur-
bo model) <Ref. to EX(H4DOTC)-5, INSTALLA-
TION, Front Exhaust Pipe.> <Ref. to
EX(H4DOTC)-7, INSTALLATION, Center Exhaust
Pipe.>
12) Install the front exhaust pipe. (Non-turbo mod-
el) <Ref. to EX(H6DO)-5, INSTALLATION, Front
Exhaust Pipe.>
13) Lower the vehicle.
14) Pour gear oil into the gauge hole.

Recommended gear oil:

<Ref. to 5AT-3, RECOMMENDED GEAR OIL, 
SPECIFICATION, General Description.>

Gear oil capacity:

1.3 — 1.5 

2 (1.4 — 1.6 US qt, 1.1 — 1.3 Imp qt)

15) Check the level of differential gear oil. <Ref. to
5AT-30, INSPECTION, Differential Gear Oil.>

(A) Oil pan

(B) Differential gear oil drain plug

(B)

AT-03127

(A)

AT-00029

ST