Rear Sub Frame: Installation

CAUTION:

Be sure to use a new self-locking nut.
Always tighten the bushing in the state where the vehicle is at curb weight and the wheels are in full contact with the ground.
Install so that the front end of the under cover (b) comes inside the bumper face - front (a), and the front end of the mud guard (c) comes outside the bumper face - front (a).

Fig 1: Caution For Installing Front Under Cover Comes Inside Bumper Face - Front

Courtesy of SUBARU OF AMERICA, INC.

Check the removed parts for wear, damage and crack, and repair or replace them if faulty.
Install each part in the reverse order of removal.
Tightening torque:
- Rear suspension parts: Ref. to COMPONENT , General Description.
- Fuel tank protector: Ref. to REMOVAL , Fuel Tank Protector.
- Rear disc brake parts: Ref. to REAR DISC BRAKE , COMPONENT, General Description.
- Parking brake parts: Ref. to PARKING BRAKE LEVER & CABLE , COMPONENT, General Description.
- Exhaust pipe parts: Ref. to FRONT EXHAUST PIPE AND CENTER EXHAUST PIPE , COMPONENT, General Description.
- Propeller shaft parts: Ref. to INSTALLATION , Propeller Shaft.
Install the under cover - front.
Tightening torque:

18 N.m (1.84 kgf-m, 13.3 ft-lb)
Bleed air from brake system. Ref. to BRAKE LINE , PROCEDURE, Air Bleeding.
Install the rear wheels.
Tightening torque:

Except for C4 model: 120 N.m (12.24 kgf-m, 88.5 ft-lb)

C4 model: 100 N.m (10.20 kgf-m, 73.8 ft-lb)
Inspect the wheel alignment and adjust if necessary.
- Inspection: Ref. to INSPECTION , Wheel Alignment.
- Adjustment: Ref. to ADJUSTMENT , Wheel Alignment.
CAUTION:
When the wheel alignment has been adjusted, perform the following VDC setting mode.
- Model without EyeSight: VDC sensor midpoint setting mode Ref. to VDC SENSOR MIDPOINT SETTING MODE (MODELS WITHOUT EyeSight) , ADJUSTMENT, VDC Control Module and Hydraulic Control Unit (VDCCM & H/U).
- Model with EyeSight: Neutral of Steering Angle Sensor & Lateral G Sensor 0 point setting Ref. to NEUTRAL OF STEERING ANGLE SENSOR & LATERAL G SENSOR 0 POINT SETTING (MODEL WITH EyeSight) , ADJUSTMENT, VDC Control Module and Hydraulic Control Unit (VDCCM & H/U).
- Model with EyeSight: Longitudinal G sensor & lateral G sensor 0 point setting Ref. to LONGITUDINAL G SENSOR & LATERAL G SENSOR 0 POINT SETTING MODE (MODEL WITH EyeSight) , ADJUSTMENT, VDC Control Module and Hydraulic Control Unit (VDCCM & H/U).
Connect the battery ground terminal.
Perform reinitialization of the auto headlight beam leveler system. (Model with auto headlight beam leveler) Ref. to PROCEDURE , Auto Headlight Beam Leveler System.