Coil Springs and Its Uses

30 Jun.,2025

 

Coil Springs and Its Uses

Coil Springs and Its Uses

coil springs and Its Uses

Coil springs are a necessary auto part that is implemented in our vehicles to improve transportation. Without them, vehicles will sag from any weight that exceeds its maximum capacity. Most heavy-duty vehicles are built to take on an excessive amount of weight, but if for some reason, it goes over that amount, the axles could break.

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When operating heavy-duty vehicles, it is important to make sure your coil springs are in good shape. If they aren’t, it’s important to get them replaced as soon as possible. First, it’s best to familiarize oneself about what a coil spring is.

What is a Coil Spring?

Coil springs are a tightly wound piece of metal that is made up of carbon, silicon, manganese, and chromium. It is wound around a cylinder instrument to give a certain radius. The amount of material that it is made up from varies depending on the amount of pressure it is required to withstand as well as how often. It also is contingent on the temperature conditions it is expected to work under—will it need to withstand corrosion, and if the coils will be expected to conduct electricity

For the purposes of auto mechanics, the main concerns of a coil spring are the load amount and temperature conditions.

What are Coil Springs Used For?

Coil springs are used for a number of applications. Everything from ballpoint pens to clocks and of course, vehicles.

Coil springs are designed to absorb energy. As pressure is applied to a coils spring, the energy from what’s causing that pressure is transferred into the compressed coils. As that same amount of pressure is alleviated, the energy within the spring is too. In other words, coil springs stores energy.

This feature is most beneficial for vehicles.

How is a Coil Spring Used on Vehicles?

Since coils springs absorb energy, they serve as perfect device for vehicles because they have two main benefits:

Coil springs can support a massive amount of weight.

Coil springs work in conjunction with the shock absorbers in a vehicle. As a result, it makes it possible for trucks to transport heavy loads. Without the coil spring, any weight that exceeds its original capacity amount will render the car or truck inoperable, as it will buckle from the weight. Coil springs cannot only absorb that amount of weight but also has the capability to ‘spring’ back any additional resistance during transportation.

Coil springs can provide a vehicle with a smoother ride.

Although coil springs are made from tough material, its design allows it to be flexible. Therefore, as a vehicle runs into unavoidable bumps in the road, the coil spring has enough elasticity to retract and retain its original form.

Broken coil spring symptoms: Can I still drive my car?

Coils springs are integral to your car's Suspension System. Your vehicle has four coil springs - two front coil springs and two rear coil springs (one for each wheel).

Coil suspension springs are designed to absorb the impact of driving over rough terrain, and also help keep your vehicle at the correct height.

In this article we will look at broken coil spring symptoms, what causes coil springs to break in the first place, and whether you can still drive your car with a broken coil spring…

How serious is a broken coil spring?

If one of your car coil springs breaks, your vehicle will sit at an angle, with the lower corner over where the broken spring coil is.

A broken coil spring will mean pressure on the tyres is uneven, causing the affected tyre to wear out more quickly on one side.

And if the coil falls out of the vehicle it obviously creates a hazard for other road users.

How to tell if you have a broken coil spring?

Think that you may have a broken coil spring?

Symptoms of a bad coil spring in your suspension to look out for:

If your car has a broken coil spring you'll probably hear clunking, knocking noises when you drive over rough or uneven ground.

A broken coil causes misalignment, meaning your car's suspension angles of travel are altered, causing components to scrape or knock against each other. Your vehicle may sway or bounce more than usual.

A visual inspection of your car will likely show one corner is lower than the others. If you're unsure, use a tape measure to see how far each wheel arch is off the ground.

Can you drive with a broken coil spring?

No, you should not drive with a broken coil spring. You should get it fixed as soon as possible.

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Some drivers may decide to drive on a broken spring coil in order to reach a garage or home. However, when driving with a broken coil spring, the ride is likely to be rough and controlling the car in an emergency will be more difficult.

A broken coil suspension spring will put extra pressure on the adjacent Shock Absorber, and may cause serious damage to it if you drive the car in that condition.

What causes a spring coil to break?

Have a broken spring on your car? You may be wondering what has caused you coil spring to break.

Coil springs can break for a variety of reasons:  

Coating damage and corrosion

Coil springs are covered in a flexible plastic coating to help protect the metal from corrosion. However, over time, with constant compression and being hit by stones from the road, this coating can get damaged, allowing rust to form on the coil. Once this happens, the coil can weaken and potentially break.

Driving over rough terrain regularly will make a breakage more likely.

Blown tyres/wheel imbalances

Wheel imbalances can cause your suspension to wear out unevenly, potentially leading to a broken coil.

A flat or blown tyre meanwhile can put huge pressure on your suspension system and can cause a coil to break.

A broken coil spring could also cause damage to your steering and braking systems.

Fluid leaks in struts/shock absorbers

If a strut - which usually comprises a shock absorber and spring - leaks hydraulic fluid, it won’t work effectively, placing more pressure on the adjacent coil, increasing the chances of a break.

Additional noise when driving over dips and bumps could mean you have a hydraulic fluid leak.

Lower hydraulic pressure could mean springs connect with other suspension components, causing damage to brake lines or even the exhaust system.

How much does it cost to replace a coil spring on a car in the UK?

The cost of a coil spring depends on the make and model of your car. A coil spring replacement cost of £50 per spring is a rough guide price.

If you need to replace one spring it's advisable to replace the one on the other side. It's also a good idea to have all your car's coil springs inspected for damage.

Top 5 Things to Know About Coil Springs

Coil springs are a vital part of your car’s makeup. While we’ve recently talked a lot about shock absorbers, today, we’re diving into the small but mighty coil spring. These important parts also absorb shock and preserve the force between two connecting surfaces. That’s why you see them in many of our everyday items—from watches to toys to cars. In vehicles, they absorb the bumps from the road, but that’s not all they’re good for. Below, we’ve broken down five of the most important things you should know about coil springs.

They can provide an extra boost—both physically and aesthetically.


Since coil springs give your car extra height, they provide less sagging and potential for damage to the underside of your car. They provide more stability and the ability for better handling which increases comfort, especially during adverse road conditions. And coil springs can be tailored to fit your desired effect—if you prefer a lower ride or a more elevated one, coil springs can make a difference.

There are plenty of options.


Drivers’ preference is important when it comes to selecting coil springs. Lowering, lifting, performance and comfort are options to consider when selecting coil-springs. Three of the most common are helical springs, progressively-wound springs, and linear springs. Helical springs, also known as compression springs, store energy until it’s released at some point and are known to be more predictable. Progressively-wound springs, also known as dual-rate springs, have varying spring rates when compressed but allow for an ideal spring rate in different road conditions. Most of our lowering spring kits for newer Mustangs and Dodge Challengers are progressive-wound springs. These allow for a smoother ride over both small bumps and larger ones like potholes. Linear springs, on the other hand, have a more constant spring rate. We’re big fans of this; in fact, most of the coil springs we produce are linear, cold-wound springs.

The materials matter.

When choosing coil springs, it’s important to take your location into account. Temperature and chance of corrosion (e.g., the humidity in the air) affects the life and integrity of different coil spring materials. They are commonly made from steel alloys or stainless steel since stainless steel is resistant to corrosion. Silicon is also commonly used in vehicles because of its ability to withstand high levels of heat and impact. Our customized options are made from chrome silicon steel, which increases their life span and durability.

They decrease wear and tear.

Coil springs absorb a lot—literally. Because they are taking the brunt of the impact from road conditions, they help to protect other aspects of your car like the suspension and tires. They also assist in the distribution of weight which increases maneuverability and provides a smoother ride. It’s worth it to invest in the right ones to maintain the rest of the vehicle’s integrity.

Coil springs should be replaced over time.


Because of the important role they play, coil springs should be replaced when they show signs of deterioration. As they age, they lose the ability to bounce back as well; this can cause sagging and damage to the low-lying components of the car. In addition, older coil springs can skew tire position and wear them down more quickly as well as cause unpredictable behavior during turns, acceleration, or breaking. Replace them regularly to restore your car’s condition and ensure that your car meets your aesthetic desires.

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