Sub Frame: Installation
CAUTION:
- For the non-reusable parts, 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.
- Check the removed parts for wear, damage and crack, and repair or replace them if faulty.
- Install each part to the sub frame assembly rear.
- Trailing link assembly rear: Ref. to REAR SUSPENSION>TRAILING LINK>INSTALLATION .
- Rear lateral link assembly front: Ref. to REAR SUSPENSION>REAR LATERAL LINK (FRONT)>INSTALLATION .
- Rear lateral link assembly rear: Ref. to REAR SUSPENSION>REAR LATERAL LINK (REAR)>INSTALLATION .
- Rear drive shaft: Ref. to PROPELLER SHAFT/DRIVE SHAFT/AXLE>REAR DRIVE SHAFT>INSTALLATION .
- Rear differential: Ref. to DIFFERENTIALS>REAR DIFFERENTIAL (VA-TYPE)>INSTALLATION .
- Arm assembly rear upper: Ref. to REAR SUSPENSION>UPPER ARM>INSTALLATION .
- Rear differential mount bushing: Ref. to DIFFERENTIALS>REAR DIFFERENTIAL MOUNT BUSHING>REPLACEMENT .
- Install the rear suspension assembly.CAUTION: Do not forget to install the stopper upper.
- Lift the rear suspension assembly using a transmission jack.NOTE:
- Since the rear suspension assembly is heavy, make sure that it is firmly supported so that it is level.
- While checking there is no dragging of harness, raise it slowly with a transmission jack.
- Install the support sub frame front and the stopper lower, and install the rear suspension assembly.
Tightening torque:
Refer to "COMPONENT" of "General Description" for the tightening torques and non-reusable parts. Ref. to REAR SUSPENSION>GENERAL DESCRIPTION>COMPONENT>REAR SUSPENSION .
- Install the clips (A) of mud guard rear. (Crosstrek model)
- Lift the rear suspension assembly using a transmission jack.
- Connect the stabilizer link rear (lower part) (Model with stabilizer) Ref. to REAR SUSPENSION>STABILIZER>INSTALLATION>STABILIZER LINK .
- Connect the shock absorber assembly rear.
- Connect the shock absorber assembly rear.
- Install the bolts and new nuts.
Tightening torque:
Impreza model (nut side): 85 N.m (8.7 kgf-m, 62.7 ft-lb)
Crosstrek model (nut side): 115 N.m (11.7 kgf-m, 84.8 ft-lb)
- Connect the adapter cord EPB. Ref. to PARKING BRAKE>PARKING BRAKE ACTUATOR>INSTALLATION>PARKING BRAKE HARNESS .
- Install the sensor sub assembly rear. Ref. to VEHICLE DYNAMICS CONTROL (VDC)>REAR ABS WHEEL SPEED SENSOR>INSTALLATION .
- Install the brake disc rear. Ref. to BRAKE>REAR DISC ROTOR>INSTALLATION .
- Install the propeller shaft. Ref. to PROPELLER SHAFT/DRIVE SHAFT/AXLE>PROPELLER SHAFT>INSTALLATION .
- Install the rear exhaust pipe. Ref. to EXHAUST (H4DO)>REAR EXHAUST PIPE>INSTALLATION .
- Install the fuel tank protector. Ref. to FUEL INJECTION (FUEL SYSTEMS) (H4DO)>FUEL TANK PROTECTOR>INSTALLATION .
- Install the rear wheels. Ref. to WHEEL AND TIRE SYSTEM>TIRE AND WHEEL>INSTALLATION .
- Release the shift lock and shift the select lever to the "P range". Ref. to CONTROL SYSTEMS>SELECT LEVER>INSTALLATION .
- Connect the ground terminal to battery sensor. Ref. to REPAIR CONTENTS>NOTE>BATTERY .
- Exit the brake maintenance mode. Ref. to PARKING BRAKE>PARKING BRAKE SYSTEM>OPERATION>BRAKE MAINTENANCE MODE .
- After the operation is completed, apply and release the parking brake five times and ensure that the brake operates normally.
- Inspect the wheel alignment and adjust if necessary.
- Inspection: Ref. to FRONT SUSPENSION>WHEEL ALIGNMENT>INSPECTION .
- Adjustment: Ref. to FRONT SUSPENSION>WHEEL ALIGNMENT>ADJUSTMENT .
- Perform the VDC sensor midpoint setting mode. Ref. to VEHICLE DYNAMICS CONTROL (VDC)>VDC CONTROL MODULE AND HYDRAULIC CONTROL UNIT (VDCCM & H/U)>ADJUSTMENT>VDC SENSOR MIDPOINT SETTING MODE .
- Perform the END STOP learning. Ref. to POWER STEERING (DIAGNOSTICS)>INSPECTION MODE>PROCEDURE>INSPECTION MODE B .
- Using Subaru Select Monitor, perform [Clear Active Lane Keep System Learning Value] in the [Work Support] of [EyeSight]. Ref. to EYESIGHT (DIAGNOSTICS)>WORK SUPPORT .