Rear Sub Frame: Installation
CAUTION:
- 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 supports - sub frame 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.
Tightening torque:
Refer to "COMPONENT" of "General Description" for the tightening torque. <Ref. to COMPONENT , General Description.>
- Install the bolts and nuts to the lower side of rear shock absorber COMPL - rear.
Tightening torque:
120 N.m (12.2 kgf-m, 88.5 ft-lb)
- Install the fuel tank protector.
- H4 engine model: <Ref. to INSTALLATION , Fuel Tank Protector.>
- H6 engine 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 sub rear harness.
- 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: 66 N.m (6.7 kgf-m, 48.7 ft-lb)
- Install the electronic parking brake harness. <Ref. to
INSTALLATION
, Parking Brake Actuator.>
Tightening torque: 18 N.m (1.8 kgf-m, 13.3 ft-lb)
- Install the rear ABS wheel speed sensor and the rear ABS wheel speed sensor bracket.
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.
- H4 engine model: <Ref. to INSTALLATION , Rear Exhaust Pipe.>
- H6 engine 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.>
- "VSC(VDC) Centering Mode": <Ref. to ADJUSTMENT , VDC Control Module and Hydraulic Control Unit (VDCCM & H/U).>
- Connect the ground terminal to battery sensor. <Ref. to BATTERY , NOTE, Repair Contents.>
- Using the Subaru Select Monitor, exit the brake maintenance mode according to the display screen. <Ref. to
BRAKE MAINTENANCE MODE
, OPERATION, Parking Brake System.>NOTE: For detailed operation procedures, refer to "Application help".
- After the operation is completed, apply and release the parking brake five times and ensure that the brake operates normally.
- Perform reinitialization of the auto headlight beam leveler system. (Model with auto headlight beam leveler) <Ref. to PROCEDURE , Auto Headlight Beam Leveler System.>