Subaru Legacy BN/BS (2015-2019) Service Manual: Replacement

Subaru Legacy BN/BS (2015-2019) Service Manual / Differentials / Rear differential front oil seal / Replacement

1. Shift the select lever or gear shift lever to neutral.

2. Release the parking brake.

3. Lift up the vehicle.

4. Drain differential gear oil. Differential Gear Oil > REPLACEMENT

5. Remove the rear exhaust pipe.

• 2.5 L model

Rear Exhaust Pipe > REMOVAL

• 3.6 L model

Rear Exhaust Pipe > REMOVAL

6. Remove the heat shield cover.

7. Remove the propeller shaft. Propeller Shaft > REMOVAL

8. Check the initial torque and write it down.

9. Remove the self-locking nut while holding the companion flange with ST.

ST 498427200

FLANGE WRENCH

10. Extract the companion flange using the ST.

ST 399703600

PULLER ASSY

11. Remove the oil seal using ST or screwdriver.

ST 398527700

PULLER ASSY

12. Using the ST, install the oil seal.

NOTE:

• Use a new oil seal.

• Apply differential gear oil to the oil seal lips.

ST 498447120

INSTALLER

13. Install the companion flange.

NOTE:

Use a plastic hammer to install companion flange.

14. Tighten the self-locking nut to the specified torque so that the initial torque of companion flange becomes the same as that of before oil seal replacement.

NOTE:

• Use a new self-locking nut.

• Before installing the self-locking nut, apply the seal material to the threads of the drive pinion shaft and to the seating surface of the self-locking nut.

Seal material:

THREE BOND 1324 (Part No. 004403042) or equivalent

Tightening torque:

T-type

167 — 196 N·m (17.0 — 20.0 kgf-m, 123.2 — 144.6 ft-lb)

VA-type

162 — 220 N·m (16.5 — 22.5 kgf-m, 119.5 — 162.3 ft-lb)

ST 498427200

FLANGE WRENCH

15. Hereafter, perform assembly in the reverse order of disassembly.

16. Fill differential gear oil. Differential Gear Oil > REPLACEMENT

Rear differential front oil seal

...

Inspection

Check that there is no leakage from front oil seal portion. If there is any leakage replace the oil seal and inspect the propeller shaft. ...

Other materials:

Removal
1. DATA COMMUNICATION MODULE1. Disconnect the ground terminal from battery sensor. NOTE2. Remove the center grille assembly. Air Vent Grille > REMOVAL3. Remove the heater control assembly. Control Panel > REMOVAL4. Remove the audio assembly or navigation assembly. Audio > REMOVAL5. Remove the da ...