Upper Arm: Installation
CAUTION:
- Use a new self-locking nut.
- Always tighten the bushing when the arm is positioned in the state where the vehicle is at curb weight and the wheels are in full contact with the ground.
- Before installation, inspect the following items and replace any faulty part with a new one.
- Visually check the upper arm assembly for damage and deformation.
- Visually check the bushing for abnormal cracks, fatigue or damage.
- Visually check the dust cover on the ball joint for abnormal cracks, fatigue or damage.
- Install the upper arm assembly to the rear sub frame assembly.
- Make the installation sections of the rear lateral link assembly (the bolt on the housing assembly - rear axle side and the bolt on the rear sub frame assembly side) horizontal.
- Install the upper arm assembly to the rear sub frame assembly.
Courtesy of SUBARU OF AMERICA, INC.
Tightening torque:
Upper arm assembly - rear sub frame assembly: 90 N.m (9.18 kgf-m, 66.4 ft-lb)
- Connect the upper arm assembly and the housing assembly - rear axle.
Tightening torque:
Upper arm assembly - housing assembly - rear axle: 80 N.m (8.16 kgf-m, 59 ft-lb)
- Install the rear sub frame assembly in the reverse order of removal. Ref. to REAR SUSPENSION>Rear Sub Frame>INSTALLATION .
- Install the rear wheels.
Tightening torque:
120 N.m (12.24 kgf-m, 88.5 ft-lb)
- Inspect the wheel alignment and adjust if necessary.
- Inspection: Ref. to FRONT SUSPENSION>Wheel Alignment>INSPECTION .
- Adjustment: Ref. to FRONT SUSPENSION>Wheel Alignment>ADJUSTMENT .
CAUTION: When the wheel alignment has been adjusted, perform "VDC sensor midpoint setting mode" of the VDC. Ref. to VEHICLE DYNAMICS CONTROL (VDC)>VDC Control Module and Hydraulic Control Unit (VDC CONTROL MODULE &H/U)>ADJUSTMENT . - Connect the battery ground terminal. Ref. to NOTE>NOTE>BATTERY .
- Perform reinitialization of the auto headlight beam leveler system. (Model with auto headlight beam leveler) Ref. to LIGHTING SYSTEM>Auto Headlight Beam Leveler System>PROCEDURE .