Control Arm: Working, Replacement & Maintenance Tips

Table of Contents

What is a Control Arm?

A control arm is a mechanical part of the front suspension system on a car. You can maintain control of your steering when driving over bumps and other road irregularities because of the control arm’s link between your car’s front wheel and frame.

Depending on the vehicle’s design, control arms are typically made of stamped steel, cast iron, or cast aluminum. The finest materials for durability and strength will be steel and iron, while aluminum will be ideal for lightweight vehicles.

The control arm is a link that attaches the wheel hub assembly or steering knuckle to the car’s framework. There are numerous shapes and sizes available for control arms. upper Since they resemble a capital letter A in shape, control arms are frequently called “A” arms.

When an automobile encounters a bump or other imperfection in the road, the control arm(s) rise and fall along with the spring. This permits the tyres to stay in contact with the pavement and maintain control. The suspension system’s control arm helps to guarantee that your car always has full contact with the road, offering you crucial control.

How does Control Arm work?

The control arm, which connects the steering joints to the vehicle’s framework, is an important part of the car’s suspension system. It keeps the wheel aligned with the car’s body while allowing it to move up and down when the vehicle crosses bumps and dips in the road.

Usually, the control arm consists of two components: the arm and the ball joint. The arm is a metal piece with an A-shaped structure, one end of which is attached to the vehicle’s frame and the other to the ball joint. The wheel can travel up and down while keeping appropriate alignment with the help of the ball joint’s spherical bearing that allows the arm to swivel.

The control arm compresses and stretches when the vehicle rides a bump or dip in the road, allowing the wheel to whirl while the tyre remains in touch with the pavement. This makes keeping control of the vehicle easier and gives the passengers a more comfortable ride experience. The control arm also helps absorb part of the shock delivered to the car’s structure due to the bump.

When should you replace the Control Arm?

Although automotive control arms are made to survive for a long period, they are still subject to damage and tear over time. If they become worn out or broken, it is important to replace them because driving with a damaged control arm can be risky and affect the car’s handling and stability.

Here are a few indicators that it could be time to swap out the control arm:

1. Strange sounds

The control arm may be worn out or damaged if your vehicle makes clunking or rattling noises when you drive over bumps.

2. Uneven tyre wear:

If you discover that your tyres are wearing out early or unevenly, it may be because the control arm is not maintaining the wheel’s normal alignment.

3. Steering issues:

If your automobile pulls to one side or you have trouble turning, you may have a faulty control arm.

4. Vibrations:

If the steering wheel or the car itself vibrates excessively, it may be a sign that the control arm is worn out or broken.

5. Visible damage:

The control arm should be changed as soon as possible if you see visible damage to it, such as cracks or bends.

If you see any of these indications or symptoms, it is advised to have your vehicle evaluated by a qualified mechanic. They can correctly identify the issue and provide a solution, which can involve replacing the control arm.

How to maintain the Control Arm?

The control arm must be kept in good condition for your car to run smoothly and drive safely. Below are some procedures for maintaining a car’s control arms:

1. Regularly check the control arms

You should check the control arms for any evidence of deterioration, damage, or looseness. Check for corrosion, cracks, bends, and other wear indicators.

2. Verify the bushings

The rubber or polyurethane bushings connect the control arm to the car’s framework or body. Examine them for breaks, rips, or significant abrasion. Replace them if they need to be repaired because of wear.

3. Verify the ball joints

The ball joints are the pivot points between the control arm and the wheel hub. These enable the wheel’s up-and-down and left- and right-turning movement. Inspect them for damage, wear, or looseness. Replace them if they need to be repaired because of wear.

4. Lubricate the components

The control arm bushings and ball joints must be lubricated often to prevent wear and friction. Use the high-quality lubricant that the manufacturer suggests.

5. Installation technique

When changing out the control arms or other parts, be careful to install them in accordance with the manufacturer’s instructions.

6. Alignment

After replacing the control arms or other suspension parts, the alignment should be examined and modified.

By adhering to these instructions, you can maintain your car’s control arms and ensure its suspension system is safe and reliable.

Where can you buy Control Arm in Dubai?

Control Arm are available at different suppliers and dealers of auto spare parts in Dubai. Noorhan is amongst the leading brands that deal with genuine auto spare parts and aftermarket parts for different car brands, including BMW, Mercedes, Audi, Porsche, Honda, Toyota, Nissan, Mazda, Jeep, Ford, and other Japanese, European, American, Korean, luxury cars brand.

If you’re looking to replace your Control Arm with high-quality aftermarket Control Arm in Dubai, Noorhan can help you.