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

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

1. Temporarily tighten the housing assembly - rear axle to the upper arm assembly.

2. Install the rear drive shaft assembly. Rear Drive Shaft > INSTALLATION

CAUTION:

Do not hammer the drive shaft assembly when installing.

(1) Insert the drive shaft assembly into the hub spline, and pull it into the specified position.

(2) Tighten the new nut - axle temporarily.

3. Tighten the rear shock absorber assembly, rear stabilizer link assembly and other links to the specified torque.

Tightening torque:

Rear suspension: General Description > COMPONENT

Rear shock absorber: General Description > COMPONENT

4. Install the rear disc rotor.

5. Install the disc brake assembly.

Tightening torque:

66 N·m (6.7 kgf-m, 48.7 ft-lb)

6. Install the brake hose bracket and rear ABS wheel speed sensor.

Tightening torque:

Brake hose bracket: 33 N·m (3.4 kgf-m, 24.3 ft-lb)

Rear ABS wheel speed sensor: 7.5 N·m (0.8 kgf-m, 5.5 ft-lb)

7. Install the sensor assembly - headlight beam leveler. (Model with auto headlight beam leveler)

Tightening torque:

7.5 N·m (0.8 kgf-m, 5.5 ft-lb)

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

CAUTION:

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

Tightening torque:

240 N·m (24.5 kgf-m, 177 ft-lb)

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

10. Install the rear wheels, and perform the following inspections.

Tightening torque:

120 N·m (12.2 kgf-m, 88.5 ft-lb)

(1) Check the wheels for smooth rotation.

(2) Check that there is no play by moving the upper and lower portions of rear tire in an axial direction with the brake pedal released.

• Play exists > Check the hub unit COMPL - rear axle. Rear Hub Unit Bearing > INSPECTION

11. 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

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

Assembly

1. BUSHING - REAR AXLE HOUSINGDo not remove the housing assembly - rear axle because the bushing - rear axle housing cannot be replaced. If it is removed, replace the housing assembly - rear axle.2. B ...

Disassembly

Other materials:

Towing
WARNING Never tow AWD vehicles with the front wheels raised off the ground while the rear wheels are on the ground, or with the rear wheels raised off the ground while the front wheels are on the ground. This will cause the vehicle to spin away due to the operation or ...