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

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

1. Install the housing assembly - front axle to the strut assembly.

(1) Align alignment marks on the camber adjusting bolt and strut.

(2) While holding the bolt head of adjusting bolt, tighten the nut.

Tightening torque:

155 N·m (15.8 kgf-m, 114.3 ft-lb)

2. Install the front drive shaft assembly. Front Drive Shaft > INSTALLATION

3. Install the ball joint assembly.

CAUTION:

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

• Be careful not to damage the boot of the joint.

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 ASSY
(b)	Raised section of ball joint

4. Install the front ABS wheel speed sensor.

Tightening torque:

7.5 N·m (0.8 kgf-m, 5.5 ft-lb)

5. Install the disc rotor.

6. Install the disc brake assembly.

Tightening torque:

120 N·m (12.2 kgf-m, 88.5 ft-lb)

7. Install the brake hose bracket.

Tightening torque:

33 N·m (3.4 kgf-m, 24.3 ft-lb)

8. Install the stabilizer link assembly.

Tightening torque:

60 N·m (6.1 kgf-m, 44.3 ft-lb)

9. Connect the tie-rod ends.

(1) Connect the tie-rod ends (a) to the housing assembly - front axle.

(2) Tighten the castle nuts (b) to the specified torque.

CAUTION:

When connecting the tie-rod, do not hit the cap at bottom of tie-rod end with a hammer.

Tightening torque:

27 N·m (2.8 kgf-m, 19.9 ft-lb)

(3) Tighten the castle nut within the range of 60° so that the cotter pin hole and cutout portion of the castle nut are aligned.

(4) Insert the cotter pin (c), and bend the tip of the pin to fix it.

(a)

Tie-rod end

(b)

Castle nut

(c)

Cotter pin

10. While depressing the brake pedal, tighten the nut - 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)

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

12. 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

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

Removal

1. Lift up the vehicle, and then remove the front wheels.2. Remove the nut - axle.CAUTION:Do not loosen the nut - axle while the front axle is loaded. Doing so may damage the hub unit COMPL.(1) Lift t ...

Front drive shaft

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