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

Subaru Legacy BN/BS (2015-2019) Service Manual / Drive shaft system / Front drive shaft / Installation

1. Before installation, check the drive shaft assembly. Front Drive Shaft > INSPECTION

2. Replace the differential side retainer oil seal with a new part.

• MT model: Differential Side Retainer Oil Seal > REPLACEMENT

• CVT model: Differential Side Retainer Oil Seal > REPLACEMENT Differential Side Retainer Oil Seal > REPLACEMENT

CAUTION:

After pulling out the drive shaft assembly, be sure to replace with a new oil seal.

3. Insert the drive shaft assembly into the hub spline, and pull it into the specified position.

CAUTION:

Do not hammer the drive shaft assembly when installing.

4. Tighten the new nut - axle temporarily.

5. Using the ST, install the front drive shaft assembly to the transmission.

Preparation tool:

ST: OIL SEAL PROTECTOR (28399SA010)

6. Install the ball joint assembly to the housing assembly - front axle.

CAUTION:

Before tightening, make sure the bottom surface of the housing assembly - front axle and the stepped section of ball joint are in contact.

Tightening torque:

50 N·m (5.1 kgf-m, 36.9 ft-lb)

(a)	Bottom surface of housing ASSY - front axle	(c)	Housing ASSY - front axle	(d)	Ball joint
(b)	Raised section of ball joint

7. Install the stabilizer link.

Tightening torque:

60 N·m (6.1 kgf-m, 44.3 ft-lb)

8. While depressing the brake pedal, tighten new nuts - axle to the specified torque.

CAUTION:

Do not load the front axle before tightening the nut - axle. Doing so may damage the hub unit COMPL.

Tightening torque:

220 N·m (22.4 kgf-m, 162.3 ft-lb)

9. After tightening the nut - axle, lock it securely.

10. Fill transmission gear oil. (MT model)

11. Fill differential gear oil. (CVT model)

12. Install the front wheels.

Tightening torque:

120 N·m (12.2 kgf-m, 88.5 ft-lb)

13. Inspect the wheel alignment and adjust if necessary.

• Inspection: Wheel Alignment > INSPECTION

• Adjustment: Wheel Alignment > ADJUSTMENT

CAUTION:

When the wheel alignment has been adjusted, perform the following adjustment.

– Lane keep assist learning value clear (model with EyeSight): Clear Active Lane Keep System Learning Value > OPERATION

– “VSC(VDC) Centering Mode”: VDC Control Module and Hydraulic Control Unit (VDCCM&H/U) > ADJUSTMENT

14. Perform reinitialization of the auto headlight beam leveler system. (Model with auto headlight beam leveler) Auto Headlight Beam Leveler System > PROCEDURE

Assembly

1. Roll up a thick piece of paper to a size where the shaft can pass through, and affix with tape to form a cylinder.2. Attach a new O-ring on this cylinder.CAUTION:• Always use a new O-ring.&bu ...

Inspection

Check the removed parts for damage, wear, corrosion etc. If faulty, repair or replace.• PTJ (pillow tripod joint)Check for seizure, corrosion, damage, wear and excessive play.• EBJ (high-e ...

Other materials:

Removal
1. Disconnect the ground terminal from battery sensor. NOTE2. While pressing the section (A) shown in the figure, move the lock lever (B) in the direction of the arrow to disconnect the connectors from the ECM in numerical order as shown in the figure.3. Remove the ECM from the ECM bracket.4. Disco ...