What are anti-lock brakes?

Wednesday 26th June 2024

All modern vehicles feature various safety features, designed to improve road safety. The anti-lock braking system (ABS) is a feature that activates during heavy braking. This reduces the likelihood of your car skidding or locking up when activating the brakes at speed. Formula One Autocentres explores the topic of anti-lock brakes and how they work. 

What is an anti-lock braking system? 

The ABS is a standard safety feature in modern vehicles, allowing you to maintain control of your car during heavy braking. This is useful when applying your vehicle’s brakes on icy or wet roads, with an increased chance of skidding. The anti-lock braking system reduces the risk of your car drifting or losing control on slippery roads. 

How do anti-lock brakes work? 

Most anti-lock brake systems work with electronic stability control, alongside a sensor attached to each wheel. The sensor monitors braking and can detect when the tyre is going to lock. The ABS will then reduce and increase the braking pressure multiple times per second. This applies the optimum pressure to the wheels without allowing them to look. While anti-lock brakes can prevent skidding and lack of control, the braking can be inconsistent on dry road surfaces and your vehicle’s stopping distance may increase. 

What are the components of an anti-lock braking system? 

Typically, an anti-lock braking system is made up of four components: 

1. The valves  
2. The pump   
3. Wheel speed sensors  
4. Controller 

Each part within the ABS works in sync to prevent your vehicle from skidding while helping you brake safely and quickly. 

Is my car fitted with ABS? 

Many modern vehicles have ABS fitted as standard. However, if you own an older car, it may not come with an ABS braking system built in. You can simulate the action of anti-lock brakes by applying and releasing the brakes repeatedly. If your current vehicle does not have anti-lock brakes, you should look for this feature when you buy or upgrade your vehicle.  

The benefits of ABS include: 

• Reducing the likelihood of accidents on dry and wet road surfaces. 
• Reduce the risk of skidding off the road. 
• Cheaper car insurance. 
• Improved traction control. 

Have you noticed your vehicle’s braking system is squeaking or juddering? Learn more about whether you need new brake pads and discs in our article. Ensure your car’s brakes stop as they should by booking a free brake check at your local Formula One Autocentres branch today.