Subaru Outback manuals

Subaru Outback (BR): Rear Drive Shaft, Reduction Driven Gear

A: REMOVAL

1) Remove the transmission assembly from the vehicle.

<Ref. to 5AT-37, REMOVAL, Automatic Transmission Assembly.>

2) Remove the rear vehicle speed sensor, and then remove the extension case. <Ref. to 5AT-65, REMOVAL, Extension Case.>

3) Pull out the rear drive shaft from center differential assembly.

Subaru Outback. Automatic Transmission

4) Remove the drive plate and driven plate.

B: INSTALLATION

1) Select shims. <Ref. to 5AT-67, ADJUSTMENT, Transfer Clutch.>

2) Install the drive plate and driven plate.

3) Insert the rear drive shaft into the center differential assembly.

4) Combine the extension case, and then install the rear vehicle speed sensor. <Ref. to 5AT-65, INSTALLATION, Extension Case.>

5) Install the transmission assembly to the vehicle.

<Ref. to 5AT-42, INSTALLATION, Automatic Transmission Assembly.>

C: DISASSEMBLY

1) Using a press, remove the revolution gear.

Subaru Outback. Automatic Transmission

  1. Revolution gear

2) Using a press, remove the front and rear side ball bearings and clutch hub.

Subaru Outback. Automatic Transmission

  1. Rear ball bearing
  2. Rear drive shaft
  3. Clutch hub

D: ASSEMBLY

Assemble in the reverse order of disassembly.

NOTE:

Subaru Outback. Automatic Transmission

  1. Front side
  2. Clutch hub
  3. Rear side
  4. Revolution gear

E: INSPECTION

Reduction Driven Gear

A: REMOVAL

1) Remove the transmission assembly from vehicle body. <Ref. to 5AT-37, REMOVAL, Automatic Transmission Assembly.>

2) Remove the rear vehicle speed sensor, and separate the extension case from transmission case.

<Ref. to 5AT-65, REMOVAL, Extension Case.>

3) Remove the center differential carrier. <Ref. to 5AT-74, REMOVAL, Center Differential Carrier.>

4) Set the range select lever to the "P" range.

5) Using ST1, ST2 and ST3, pull out the reduction driven gear.

ST1 499737100 PULLER SET
ST2 18680AA010 GEAR HOLDER
ST3 18766AA000 SUPPORT PULLER

Subaru Outback. Automatic Transmission

  1. Reduction driven gear

B: INSTALLATION

1) Set the range select lever to the "P" range.

2) Use a plastic hammer to install reduction driven gear assembly.

3) Select the reduction gear shims. <Ref. to 5AT- 72, ADJUSTMENT, Reduction Driven Gear.>

4) Join the transmission case and the extension case, and then install the rear vehicle speed sensor.

<Ref. to 5AT-65, INSTALLATION, Extension Case.>

5) Install the transmission assembly to the vehicle.

<Ref. to 5AT-42, INSTALLATION, Automatic Transmission Assembly.>

C: DISASSEMBLY

1) Remove the ball bearing from reduction driven gear using ST.

ST 498077300 REMOVER

Subaru Outback. Automatic Transmission

  1. Ball bearing

2) Remove the ball bearing on the reverse side with the same procedure as step 1).

ST 498077300 REMOVER

Subaru Outback. Automatic Transmission

  1. Ball bearing

3) Remove the snap ring of the parking gear.

Subaru Outback. Automatic Transmission

4) Using the ST, remove the parking gear.

ST 18767AA000 REMOVER

Subaru Outback. Automatic Transmission

D: ASSEMBLY

1) Using the ST, install the parking gear.

ST 499755602 PRESS

Subaru Outback. Automatic Transmission

2) Install the snap ring.

Subaru Outback. Automatic Transmission

3) Install the ball bearing to the reduction driven gear using a press.

NOTE: Use a new ball bearing.

ST 18654AA000 INSTALLER

Subaru Outback. Automatic Transmission

4) Install the ball bearing on the reverse side with the same procedure as step 3).

ST 18654AA000 INSTALLER

Subaru Outback. Automatic Transmission

E: INSPECTION

Check the ball bearing and gear for break or damage.

F: ADJUSTMENT

1) Using the ST, measure the height "A" from the AT main case mating surface to the ball bearing outer ring contact surface.

ST 499575400 GAUGE

Subaru Outback. Automatic Transmission

2) Using the ST, measure the depth "B", which is from mating surface of extension case to ball bearing outer ring contact surface.

ST 499575400 GAUGE

Subaru Outback. Automatic Transmission

3) Calculation formula:

When clearances are 0.05 mm (0.0020 in):
T (mm) = B - A + 0.23
[T (in) = B - A + 0.0091]
When clearances are 0.25 mm (0.0098 in):
T (mm) = B - A + 0.03
[T (in) = B - A + 0.0012]
T: Shim clearance
A: Height from the mating surface of the AT main case to the ball bearing outer ring end surface
B: Depth from mating surface of extension case to ball bearing outer ring contact surface

Specification: 0.05 - 0.25 mm (0.0020 - 0.0098 in)

4) Select the reduction gear shim so that the clearance is within the specified range.

Subaru Outback. Automatic Transmission

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