Rear Axle: Installation

Temporarily tighten the rear axle to strut.
Insert the rear drive shaft into rear axle.
NOTE: Be careful not to damage the inner oil seal lip.
Temporarily tighten the axle nut.
Using a new self-locking nut, temporarily tighten the rear housing assembly and lateral link assembly.

Fig 1: Identifying Rear Housing Assembly And Lateral Link Assembly
Courtesy of SUBARU OF AMERICA, INC.
Using a new self-locking nut, temporarily tighten the rear housing assembly and trailing link assembly.

Fig 2: Identifying Rear Housing Assembly And Trailing Link Assembly
Courtesy of SUBARU OF AMERICA, INC.
Tighten the rear housing assembly and strut assembly using a new self-locking nut.
Tightening torque:

200 N.m (20.4 kgf-m, 148 ft-lb)
Using a new self-locking nut, install the rear stabilizer and rear lateral link.
Tightening torque:

44 N.m (4.5 kgf-m, 32.5 ft-lb)
Connect the parking brake cable to parking brake.
Install the disc rotor on rear housing assembly.
Install the disc brake caliper on back plate.
Tightening torque:

Except STi model

52 N.m (5.3 kgf-m, 38.3 ft-lb)

STi model

65 N.m (6.6 kgf-m, 47.9 ft-lb)

Fig 3: Identifying Disc Brake Caliper On Back Plate
Courtesy of SUBARU OF AMERICA, INC.
Adjust the parking brake lever stroke by turning the adjuster.
While applying the parking brake, tighten a new axle nut using a socket wrench. Lock the axle nut after tightening.
Tightening torque:

190 N.m (19.4 kgf-m, 140 ft-lb)

CAUTION: Do not overtighten it as this may damage the wheel bearing.
Install rear ABS wheel speed sensor.

Fig 4: Identifying Rear ABS Wheel Speed Sensor
Courtesy of SUBARU OF AMERICA, INC.
Install the wheel and tighten the wheel nuts to specified torque.
Tightening torque:

90 N.m (9.2 kgf-m, 66 ft-lb)
Make the tires contact the ground fully.
CAUTION: Make the tires contact the ground fully and the vehicle be in curb weight whenever carrying out the tightening of bushing portions.
Tighten the installation bolt of rear housing assembly and lateral link assembly.
Tightening torque:

140 N.m (14.3 kgf-m, 103 ft-lb)
Tighten the installation bolt of rear housing assembly and trailing link assembly.
Tightening torque:

90 N.m (9.2 kgf-m, 66 ft-lb)