Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Upper Arm: Installation
- For parts which are not reusable, always use new parts.
- 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.
- 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.
Tightening torque:
Upper arm assembly - rear sub frame assembly: 80 N.m (8.2 kgf-m, 59.0 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 (8.2 kgf-m, 59.0 ft-lb)
- Install the rear sub frame assembly. < Ref. to INSTALLATION , Rear Sub Frame. >
- 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. >
- Perform reinitialization of the auto headlight beam leveler system. (Model with auto headlight beam leveler) < Ref. to PROCEDURE , Auto Headlight Beam Leveler System. >
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.