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

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

1. Tighten the back plate - front brake and the hub unit COMPL - front axle to the housing assembly - front axle with bolts.

CAUTION:

• Do not get closer the tool which charged magnetism to magnetic encoder.

• Be careful not to damage the magnetic encoder.

Tightening torque:

Back plate - front brake: 18 N·m (1.8 kgf-m, 13.3 ft-lb)

Hub unit COMPL - front axle: 65 N·m (6.6 kgf-m, 47.9 ft-lb)

(a)	Housing ASSY - front axle	(c)	Hub unit COMPL - front axle	(d)	Magnetic encoder
(b)	Back plate - front brake

2. Install the front drive shaft assembly.

CAUTION:

• Do not hammer the drive shaft assembly when installing.

• Use new nut - axle.

(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. Install the disc rotor to the hub unit COMPL - front axle.

4. Install the disc brake assembly to the housing assembly - front axle.

Tightening torque:

120 N·m (12.2 kgf-m, 88.5 ft-lb)

5. Install the brake hose bracket.

Tightening torque:

33 N·m (3.4 kgf-m, 24.3 ft-lb)

6. Install the front ABS wheel speed sensor.

Tightening torque:

7.5 N·m (0.8 kgf-m, 5.5 ft-lb)

7. 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)

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

9. Install the front 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 front tire in an axial direction with the brake pedal released.

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

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

• Play exists > Replace the ball joint assembly. Front Ball Joint > REMOVAL

Assembly

1. Install the hub unit COMPL to the ST securely.Preparation tool:ST: HUB STAND (28099PA080)2. Using a press, press new bolts - hub until their seating surfaces contact the hub unit COMPL.NOTE:Use the ...

Inspection

1. Moving the front tire up and down by hand, check there is no play in bearing, and check the wheel rotates smoothly.CAUTION:If there is any fault in the bearing, replace the hub unit COMPL.2. Inspec ...

Other materials:

Fuel filler lid and cap
Refueling Only one person should be involved in refueling. Do not allow others to approach the area of the vehicle near the fuel filler pipe while refueling is in progress. Be sure to observe any other precautions that are posted at the service station. Stop the vehicle and turn of ...