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Parts for your 2020 Subaru Legacy-Control arms

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SAS Lower Control Arm - LA709R

SAS Lower Control Arm - LA709R

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$373
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SAS Lower Control Arm - LA709L

SAS Lower Control Arm - LA709L

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$373
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Nolathane Rear Control Arm Bushing Kit - 46338

Nolathane Rear Control Arm Bushing Kit - 46338

$228
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Nolathane Control Arm Bush Kit - 45719

Nolathane Control Arm Bush Kit - 45719

$134
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Understanding Control Arms on the 2020 Subaru Legacy

The 2020 Subaru Legacy definitely uses control arms as a key component of its suspension system. Control arms play a crucial role in how the vehicle handles, rides, and responds to different road conditions. Subaru's engineering for the Legacy focuses on delivering a comfortable and stable driving experience, and the control arms are central to achieving this balance.

Control arms are a part of the suspension that connects the wheel hub and steering knuckle to the chassis of the car. They are designed to allow the wheels to move up and down independently of the car's body while keeping the wheels aligned properly with the road and maintaining smooth steering control. On the 2020 Subaru Legacy, you'll find both front and rear control arms ensuring that the wheels stay where they're supposed to be, even over bumps and through corners.

More specifically, the Legacy utilises a front double wishbone-style suspension, which includes upper and lower control arms. This design helps provide precise handling and improved ride comfort by managing the wheel's motion in a more controlled manner. At the rear, it typically features a multi-link setup where control arms are also present, offering additional refinement and stability especially when cornering or driving on rough surfaces.

The purpose of control arms is to allow the suspension to absorb shocks while maintaining proper wheel alignment so that the tyres wear evenly, and the vehicle tracks straight. Without control arms, the wheels would wander, the ride would be harsh, and steering would feel sloppy or unpredictable. By connecting the wheel assembly firmly to the frame but allowing it to move vertically, control arms contribute to better contact with the road and thus enhanced safety and comfort.

When it comes to maintaining or replacing control arms on a 2020 Subaru Legacy, there are a few things to keep in mind. Over time, control arms can wear due to the stresses of daily driving, exposure to road debris, and conditions like potholes or curbs. The control arm bushings and ball joints, which connect the arms to the chassis and to the wheel hub assembly respectively, are usually the parts that wear out first.

Signs that your control arms might need servicing or replacement include unusual noises like clunking or knocking when going over bumps, uneven or excessive tyre wear, vibration through the steering wheel, or the vehicle pulling to one side while driving. If you notice any of these symptoms, it's a good idea to have your suspension checked by a professional technician.

Regular servicing as part of your vehicle's maintenance schedule helps identify control arm issues before they become serious. Mechanics will typically inspect the bushings and ball joints for wear and play, and check the alignment as well. Neglecting worn control arms can lead to more expensive repairs down the track, such as damaged tyres, misaligned suspension components, or even compromised braking performance.

When replacing control arms, it's important to use high-quality parts designed specifically for the 2020 Subaru Legacy. Genuine or OEM-standard components ensure the correct fit and durability, retaining the vehicle's engineered handling characteristics. After installation, a wheel alignment is essential to make sure the tyres sit correctly relative to the road and that the car drives smoothly.

DIY replacement of control arms isn't generally recommended unless you have experience, tools, and access to proper alignment equipment. Suspension work requires precision to maintain safety and performance, so professional service is the best route. Plus, they can spot any related issues like worn tie rods or shocks that might also need attention.

In short, control arms are a fundamental part of the 2020 Subaru Legacy's suspension system. They provide a controlled, stable connection between the wheels and chassis, helping the car to handle better, ride more comfortably, and keep the tyres wearing evenly. Keeping an eye (and ear) out for suspension faults and addressing them promptly makes sure the Legacy stays a reliable and enjoyable car to drive.