Jump to content

Land Rover General Discussion Forum | Land Rover Defender Forum | Land Rover LR4/LR3 Forum | Land Rover Discovery Sport Forum | Range Rover Evoque Forum | Range Rover Forum

Recommended Posts

Can anyone tell me how antilock brakes work? I have heard a lot about Antilock brakes (ABS), but have simply no idea how it works.

Share this post


Link to post
Share on other sites

 Oh I love to discuss about the antilock brake system. My friend has a workshop and he taught me what exactly ABS does? I tell you how it works. Let’s say I am driving my car. When I apply brakes in my car, antilock brake system will examine the deceleration speed of the tires while braking. So basically, ABS system by default is programmed with an appropriate deceleration and acceleration speed of the wheel while braking. So let’s say if the front wheel of my car is decelerating faster than the estimated speed of the ABS module, it means something is wrong. There is one more case you can examine. If the deceleration speed of the wheels is all different from each other, that again is a problem as the wheels are not properly balanced.

So if the deceleration speed of the wheel is faster or slower than estimated speed, it mean that the wheel can slip and there are chances that the wheel can lock up in the middle and break the traction. Also, if the deceleration speed differs, the hydraulic pressure starts to generate on the wheel. The ABS system helps in reducing that pressure to the brake. When such thing happens, you can hear chattering noise from the ABS unit. No need to worry, ABS is doing its job, but ya you may have to get your car wheel diagnosed properly. Now, the locking up that I was talking about, because of the modulation in the brake circuit, it reduces the braking load from the wheel and regains the traction back avoiding locking up.

So to summarize, ABS helps in reducing the hydraulic pressure on the wheels and also helps you detect whether the functioning of the wheel is proper or not. You can judge the nature of your tire from ABS system itself.

Share this post


Link to post
Share on other sites

That;s a thorough explanation right there:) I've got nothing to add except that I know that my ABS is working when I hit the brakes all of a sudden and I hear that metal noise.

Share this post


Link to post
Share on other sites

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now

×
×
  • Create New...

Important Information

Terms of use