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Understanding Your Car’s Suspension System

Vehicle’s suspension system double wishbone, shock absorber, and coil spring.

Your car's suspension is a complex system that involves different components, including tyres, springs, shock absorbers, and linkages. These components connect the vehicle to its wheels and allow relative motion.

The suspension of your car helps provide a stable and smooth ride by absorbing the vibrations and bumps from the road and keeping in contact with the road surface.

As time passes, issues with the suspension system may arise due to factors such as general wear and tear, minor impacts with debris on the road, and other causes. Being aware of the signs of suspension problems is crucial to recognizing possible concerns before they worsen.

How does a car suspension work?

A car suspension system is designed to provide a smooth and comfortable ride for passengers while also maintaining good handling and control of the vehicle.

The suspension system works by absorbing and minimising the impact of bumps, potholes, and other road irregularities that can cause a bumpy ride. It also helps to keep the tyres in contact with the road surface for maximum traction and stability.

The suspension system typically consists of several components, including springs, shock absorbers or struts, control arms, and various linkage and mounting points. When a car hits a bump or a pothole, the springs compress and absorb the impact.

The shock absorbers or struts help to dampen the rebound and prevent the car from bouncing excessively. The control arms and linkages help to maintain the proper alignment of the wheels and allow for movement and flexibility of the suspension components.

Suspension parts

Vector car suspension parts isolated on white background

Your vehicle’s suspension relies on a number of components that work together to do its job. The main components include springs and shock absorbers, but there are other parts that also play a crucial role in your car’s suspension. This includes ball joints, tie rod ends, and suspension bushes.

Shock absorbers or Dampers

The spring’s movement is managed by the shock absorbers or dampers. They help manage the suspension so that it is not bouncy. By managing the suspension and the springs, shock absorbers help tyres stay in contact with the road.


Leaf springs and coil springs are the most common suspension components on a vehicle. Modern cars use coil springs most commonly, while leaf springs are more likely to be found in 4x4s, trucks, and older vehicles.


Struts provide structural support for your car’s suspension. It supports the spring and keeps your tyres in an aligned position.

When does your car's suspension need to be checked?

Car’ suspension develops problems over time due to different reasons, including wear and tear, corrosion and normal use. There are some warning signs of suspension issues that will tell you if there’s a potential problem you need to address before it becomes too serious.

Difficulty steering and pulling to one side are typical warning signs, as are a bouncy or unstable ride. Additionally, if your vehicle appears to be sagging or leaning and has excessive body roll, this could also indicate suspension issues. Unusual noises such as creaks, clunks, or rattles may be a sign that something is wrong with your suspension system.

Why is a suspension service important?

A car mechanic repairs the suspension of a lifted car at an auto repair shop.

The suspension system of any car plays a crucial role in ensuring a safe and comfortable ride for passengers. It absorbs shocks and vibrations caused by uneven road surfaces, which can help prevent driver fatigue and provide a smoother ride.

In addition, a well-maintained suspension system can improve the handling and stability of the vehicle, particularly when taking corners or driving at highway speeds. On the other hand, neglecting suspension maintenance can lead to more serious and expensive problems down the line. For example, worn suspension components can cause uneven tyre wear and misalignment, which can lead to additional repairs and replacements.

Regular suspension service and maintenance can help ensure the safety, comfort, and performance of your vehicle while also preventing costly repairs and replacements in the future.

Check your suspension with Collie Tyrepower

If your car’s suspension system isn’t performing as it should, or it is simply due for a service, come to Collie Tyrepower located at 44 Johnston Street, Collie, or give us a call on (08) 9734 2869.

Our skilled and experienced staff provide maintenance for a variety of car brands and models. We guarantee that your car's suspension system is functioning correctly, ensuring a safe and comfortable ride on the road.

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