Rear Sub Frame: Installation
- For parts which are not reusable, always use new parts.
- Always tighten the bushing in the state where the vehicle is at curb weight and the wheels are in full contact with the ground.
- During the installation, make sure that the marking of ABS wheel speed sensor harness does not twist.
- Check the removed parts for wear, damage and crack, and repair or replace them if faulty.
- Install each part to the rear sub frame assembly.
Tightening torque:
Refer to "COMPONENT" of "General Description" for the tightening torque. <Ref. to COMPONENT , General Description.>
- Install the rear sub frame assembly.
- Lift the rear sub frame assembly using a transmission jack.
- Install the right and left sub frame supports and the rear support sub frame, and install the rear sub frame assembly.
CAUTION:- The rear sub frame assembly is heavy. Make sure that it is horizontally-supported.
- While checking there is no dragging of harness and wire, raise it slowly with a transmission jack.
Courtesy of SUBARU OF AMERICA, INC.
Tightening torque:
Refer to "COMPONENT" of "General Description" for the tightening torque. <Ref. to COMPONENT , General Description.>
- Install the bolts and nuts on the lower side of rear shock absorber assembly.
Tightening torque:
85 N.m (8.7 kgf-m, 62.6 ft-lb)
- Install the fuel tank protector.
- STI model: <Ref. to INSTALLATION , Fuel Tank Protector.>
- Except for STI model: <Ref. to INSTALLATION , Fuel Tank Protector.>
- Install the sensor assembly - headlight beam leveler. (Model with auto headlight beam leveler)CAUTION: Do not apply impact to the sensor assembly - headlight beam leveler or forcibly move the arm. Doing so may cause sensor damage and malfunction.
Tightening torque:
7.5 N.m (0.8 kgf-m, 5.5 ft-lb)
- Install the clamp of the sub rear harness.
- Install the cable assembly - parking brake. (Models without EyeSight) <Ref. to INSTALLATION , Parking Brake Assembly (Rear Disc Brake).>
- Install the electronic parking brake harness. (Models with EyeSight)
Tightening torque:
18 N.m (1.8 kgf-m, 13.3 ft-lb)
- Install the brake hose bracket and the disc brake assembly - rear.
Tightening torque:
Brake hose bracket: 33 N.m (3.4 kgf-m, 24.3 ft-lb)
Disc brake assembly - rear (STI model): 65 N.m (6.6 kgf-m, 47.9 ft-lb)
Disc brake assembly - rear (except for STI model): 66 N.m (6.7 kgf-m, 48.7 ft-lb)
- Install the rear ABS wheel speed sensor.
Tightening torque:
7.5 N.m (0.8 kgf-m, 5.5 ft-lb)
- Install the propeller shaft assembly. <Ref. to INSTALLATION , Propeller Shaft.>
- Install the rear exhaust pipe.
- STI model: <Ref. to INSTALLATION , Rear Exhaust Pipe.>
- Except for STI model: <Ref. to INSTALLATION , Rear Exhaust Pipe.>
- Install the rear wheels and lower the vehicle.
Tightening torque:
120 N.m (12.2 kgf-m, 88.5 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 adjustment.- Lane keep assist learning value clear (model with EyeSight): <Ref. to OPERATION , CLEAR ACTIVE LANE KEEP SYSTEM LEARNING VALUE.>
- Steering angle sensor adjustment: <Ref. to ADJUSTMENT , VDC Control Module and Hydraulic Control Unit (VDCCM & H/U).>
- Connect the battery ground terminal. <Ref. to BATTERY , NOTE, Note.>
- Perform reinitialization of the auto headlight beam leveler system. (Model with auto headlight beam leveler) <Ref. to PROCEDURE , Auto Headlight Beam Leveler System.>