How a Car Braking System Works: ABS, Traction & Stability Control Explained
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- เผยแพร่เมื่อ 15 พ.ค. 2024
- Here's how your car's braking system works to stop your car to a halt!
The braking system consists of the anti-lock brakes, traction and stability control and electronic brake force distribution system. The major components include the brake pedal assembly, master cylinder and brake booster, ABS motor / actuator, brake caliper, gyroscope sensor for stability control, a steering angle sensor and a hydraulic / electronic network to connect them all.
When the brakes are depressed, braking force is transferred from the pedal assembly to the booster. A valve inside the booster shifts vacuum from both sides of the diaphragm to one side, giving assist to push the master cylinder. The master cylinder consists of two sub pistons for redundancy, each operating a diagonally opposite wheel on the vehicle.
Hydraulic fluid is pushed through to the ABS actuator, where it its release to the individual brake calipers is controlled. If the yaw sensor or ABS sensors detect vehicle slippage, it would appropriately engage the ABS motor to generate pressure far greater than a driver could with their foot through the master cylinder. Solenoids in the actuator would then direct or pulsate the brake pressure going to the appropriate wheel.
Keep your vehicle's braking system well maintained!
You can purchase new brake fluid here:
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Ceramic Brake pads:
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Coated Rotors:
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Master cylinder rebuild kit:
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Angle grinder used in this video:
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Wife's toothbrush:
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This is the Camera I use:
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Keep your vehicle's braking system well maintained!
You can purchase new brake fluid here:
amzn.to/3beRyFO (US)
amzn.to/2Ah3M3W (Canada)
Ceramic Brake pads:
amzn.to/3bpEXPX (US)
amzn.to/2yN7Et5 (Canada)
Coated Rotors:
amzn.to/2A9drJE (US)
amzn.to/2Wm1adJ (Canada)
Master cylinder rebuild kit:
amzn.to/3dvHzgM (US)
amzn.to/2LnaCa9 (Canada)
Angle grinder used in this video:
amzn.to/2SSRIfG (US)
amzn.to/2STQlgF (Canada)
Wife's toothbrush:
amzn.to/3fCaykT (US)
amzn.to/3dxYfUP (Canada)
Haha, wife's tooth brush!
That was real humor.... wife's toothbrush 😂
where do you get the manuals from
the two gears are different, one has 21 teeth one has 22, this means the phase between them will change, this is needed because each magnet sensor can only tell 0-180 degrees or 0-369 degrees, but the steering wheel can turn multiple times, i would love to know how many teeth on the main geer
Could you send me the name of the tech manual you got that diagram from! Thank you!
Just leaving a comment to let you know I think your content is really great and I appreciate your time and effort put in.
I'm glad you appreciate my efforts. Thank you
@@speedkar99 ❤️❤️❤️👍👍👍👍👍🌷🌷🌷🌷🌷
Yeaaahhh.. brother...you are are awesome!!!
I couldn't appreciate it at all because the whole time I couldn't shake this feeling that I forgot to brush my cars brakes before bed. 🙁
I just passed my ASE A5 brakes test thanks to this video with the help of this video. The hydraulic questions which had 19 questions, I got 17 correct! Thanks for the free education Speedkar I’m eternally grateful
Glad it helped you pass your exam
I love his "Special De-Crimping tool"!
Angle grinder
I followed your tutorial, now how do I put it back together?
Yes
"replacement is the reverse of removal"
@@speedkar99 yes
Watch the video in reverse
if you couldn't put it back together, you used the wrong toothbrush
You never cease to amaze me in your way of teaching. I've learned so much from you, thank you very much for doing this!
I'm glad you enjoy my video style and support me destroying car parts for knowledge.
It's amazing all the information you can pack in a 15 min video.
Yep I really worked hard to condense this information down.
Raw footage was more than double that
One of your best videos. I didn't realize how complex the braking system can get these days!
I appreciate your feedback, thanks!
there's more to them. the new toyota tacoma higher trims have a brake motor instead of brake booster. it applies the brakes for you with inputs from the toyota TSS camera
@@hostilityy a lot of new cars have that feature. It will be standard soon enough. I dunno about it using a motor, or camera though. Pretty much everyone uses a sensor either behind the bumper cover or behind the rear view mirror to detect mass and engages the ABS pump if it feels you are about to hit the mass it has detected. The abs pump has just as much braking power as your brake booster, but response time is much faster than human input.
Now that you explained how the braking system works thoroughly, there are still many motorist out there who doesn't know how to apply the brake pedal during emergency situation. I like to mention to the viewers that when you want to stop the vehicle completely in an emergency situation, steer the car safely and apply the brake pedal as hard as you can regardless the pulsating feel of the brake pedal and let the ABS system stop the car for you. Nice tutorial.
Color me impressed...you're getting so good at these super informative tear-downs that you didn't have to use your brother's underwear once!
Yeah this video wasn't nearly as messy to necesitate the underwear
or the wife's
Sponsored by Oral B
Dude, apparently we have a friend in common. My buddy Farouq suggested I watch your channel and mentioned you went to school together. It caught him by surprise when I said I was already a subscriber and a fan haha. Small world.
Awesome, it's a small world haha
These systems and especially the yaw control have saved so many people from crashing and they don’t even know
Agreed!!
@2:13
Cool decrimping tool
Love that angle grinder!
Hands down the best video explanation of this system. This is why I love tear-down videos the most. Different learning strategies for different minds. I first started dissecting mechanical and electronics, way back as a little kid in elementary school. (Much to my Mom's chagrin! 🤣) But now at 48 years old, she appreciates my insight into solving problems.
this marks one of your best presentation!
All your best research knowledge and jokes are wrapped into it.
This lends you in a very unique top spot in the whole online scene.
Thank you for mastering these amazing German designs and showing us deep inside the ABS valve body and the precise yow-sensor with schematics diagrams etc
👍
"Special decrimping tool" ... proceeds to cut open with grinder. This guy is hilarious 😆🤣
To be honest, I never got a detailed vehicle mechanic and electrical tutorial like you did, Thank you very much for your efforts, keep posting modern car technology.
Thank you for these videos. I consider you amongst the top 5 best automotive video producers. I feel qualified to say that because I'm old and wrenched for a living since the early 70's. Your humor is an added bonus. Great job and much appreciated for sharing your gift for teaching.
Why couldn't I find this channel sooner!? Your content is terrific. I enjoy working on my own vehicles. I've learned a lot that way, and thanks to internet forums and TH-cam, and people like you. I love learning the ins and outs of car mechanics. It helps in diagnosing issues and watching out for problems before the happen, or get worse. Thanks again!!!
I am like you buddy. We are blessed to have guys like him.
Wow going down the yaw sensor rabbit hole was just one helluva trip. Thanks!
WOW! Fantastic. Never saw someone rip open each component. Also, your explanation is so natural.
Was diagnosing my car and wound up being the abs module being broken and the sensor connecting to the harness also being water logged from the previous owner. Appreciate the content very detailed which is awesome!
This is the only guy I watch on youtube and decide to hold my pee (pardon 73 yr old senior) until I get to the end. Good smooth flowing narrative indicative of sound technical education and practical experience mixed with acquired handyman instincts. Keep it up guy.
I absolutely love this level of detailed explanation! I greatly appreciate you breaking into these components to show what is going on, and not just explaining what is inside and what is happening!👍👍
I'm studying for my A5 and as a visual learner this video is undoubtedly the most informative one I've found! I liked and subscribed. :)
Wow. Great job opening things up, the diagrams and explanations. Thank you!
Such a great video! Thanks man！As a brake industry worker from China, this is the best and clear video I've ever seen of how the whole braking system layout.
This channel is as hands on as it can get. Awesome content and very knowledgeable man
Every video I watch leaves me speechless. You're so good at this.
Thanks I'm glad you appreciate my work
I work as an ABS calibration engineer and you just put all our trade secrets out there😂 One of the best informative videos i have seen on TH-cam. Cheers mate👍
Can u kindly share any advice if i want to transplant abs system into a non abs car. What problems i can run into and what must i look for etc to make the system work..
@@dmr9042 Yeah sure! You will basically face hardware and software challenges. On the hardware front, you will need wiring harness from the ABS variant, wheel speed sensors and toner ring installation, hydraulic routing changes. All of this is quite difficult to do. So even if you somehow do it, you will need software calibrated for your specific car, which is even more difficult. On top of all this, the expense involved for all this is sky high, you could probably buy a used car with ABS in those costs. I would not recommend you to do all this. Swap your car for an ABS one if you could.
This was awesome! Your content is so dope, getting a quick overview of so many systems!
Amazing video with really in depth explanations of the functions of the brake systems!!
I am impressed you didn't drop the steering angle sensor. Good job on this video
Appreciate your simplified while quite technical, informative and to the point videos...great job bro. Great job.
"Special de-crimping tool" LOL. You start off kind of goofy, but you get really technical later on and you seem to really know your stuff! Thanks!
Omg I got more than what I paid for here...and TH-cam is free. Thanks I learned more than what I can here for.
I'm glad it helped you understand!
I've been working on cars over 10 years and you taught me more in 15 min with a toothbrush than I learned in school 😂
I appreciate that you video this. Open everything for our eyes to see. Thank you.
this is so well explained. Thank you!
Perfectly explained! This video is outstanding, thanks!
Wow! So much technology goes into a mass produced vehicle, well explained!
This guy should be just as or more famous then cris fix or hippie scotty. So much to learn from this guys
Unbelievably rich content. Well done
This was glorious. Thank you so much i learned so much in prep for my brakes ASE test
This is a very well done video and I love your decripping tool.
Really like the content, also at 12:48 the two magnetic encoders are no for redundancy but they are here to get the absolute position of the steering wheel because those 2 gears have prime numbers of gears between each other so that you can calculate the exact position of the steering wheel by comparing the two values of the encoders, even if you make multiple turns of the steering wheel, quite an elegant solution
Thank you! I like you style of presentation of the material!
Excellent explanation of a complex brake system. Love your use of the "special de-crimping tool".
Thanks. I use what I have to get the job done 😉
Brilliant information AND even more brilliant tempo. Awesome! 😊👍💥
genius! Best presentation without question.
Absolutely amazing explanation brother, love to watch your videos ❤️
Finally, a word from the sponsors in the second half of the video.
Who's that?
I wasn't sponsered
@@speedkar99 you mean your wife didn't sponsor the toothbrush? Wait, on other hand you did say your toothbrush. So I guess you're right, there was no sponsorship involved, you just like pink toothbrush,,🦷🦷🦷🦷🦷🦷
Your explaination is clear to understand how ABS working in all condition. Thank you very on your time and investment.
I'm just here to say thanks for all the effort!! You make really awesome content!
God bless you mate and your works. Keep it up!
wow, haha perfect. Finally found a video to give to people that does a decent job at explaining everything. Love how you even explained how a mems device works. Fancy sir.
Thanks. I tried to be as comprehensive on this one
Excellent video! It's exactly what I was looking for. Now I have the confidence to disassemble my ABS unit to clean and repair it...(although I'll probably destroy it in the process).
You deserve way more subs&views, your content is awesome !
I had a good understanding of the ABS including how the computer obtaining signals from the AC Volta w/sensors and the solenoids energising/deenergising to release pressure on the brakes and continue the process as long as the b/pedal is pressed and released etc.
Your pull down & cut away method of explaining this system is brilliant and explained the actual working of the ABS unit, only thong missing was the little accumulator reservoir inside the housing
You are a good instructor, well done
Glad you found it helpful
I am your avid follower from philippines, your explaination is more infomative above else, not boring
U are giving teny tiny details I love u man
Amazing content! I stumbled across your channel last night and couldn't stop watching. Keep up the great work, you've got a gift!
Same happend to me and in still here. 🤣
Great video very informative, done well with a comical tone. Thumbs up and thank you 🙏👍
You could be a surgeon your incisions are so precise
What little I know about cars pre-dates ABS. Thanks for bringing me up to speed. A great sense of humour on display here along with some obviously deep understanding of a cars braking system. Thank you sir.
You are welcome
this was detailed & sophisticated. thank u very much
Love your video's man!! Used your 1MZ-FE timing belt video to change the water pump and timing belt on my 99 Avalon...She's running pretty good at 230k.
Good job sharing your knowledge! Thanks à lot!
Simply amazing tutorial. Wow. And it's great to see you taking all the safety precautions on using that grinder. The little some of us can do is to look out for an automotive MVP soul like you.
Thanks. "safety precautions" lol
Other than safety glasses, gloves and the guard ....
@@speedkar99 Yes sir. The issue is that there are some who in spite of knowing these precautions end up disregarding them, usually because they want to show off how "tough" they are. Gambling with their health and lives. Glad to see you're not one of them. You help so many of us with your brief yet highly knowledge packed tutorials. Thank a million.
You're good, very good! Very informative,please continue giving us great videos.you got yourself one more subscriber👍
Love watching your content. I was basically a self-taught mechanic until the computers came about in the late 80's and early 90's by doing exactly what you show....pulling components apart and seeing how they work. I also started an apprenticeship as a mechanic and found it the best way to apply theory from the classroom/textbooks into practical. Some of the best mechanics I know are not the best when it comes to writing or spelling, but put a car, truck, mower, tractor in front of them....you will always learn a bit more about each model and some of the quirks from some manufacturers/makes just due to experience. Also, your brother needs more underwear so you can borrow it more often :)
Agreed. There just something that makes it easier to learn by pulling the actual thing apart rather than sitting in class.
Wow! That's a lot of information to digest! I'll have to watch it again. Thanks!
Yes watch it again! Thanks
What a video man! 🤯 awesome 👌
I have been watching binge watching your videos and honestly you have taught me how an engine atleast I know the basics now thank you so much love your style straight to the point and so informative 😍👍your a blessing to TH-cam
I'm glad you find them informative. I try to keep them short and to the point
another knowledge filled video, thanx.
Another awesome Speedkar moment. Thanks!
Wow you have know clue how much you helped me. With your information about the master cylinder.
Awesome!! Glad you appreciate it
Excellent explanation and presentation. Well-done!
Awesome thanks
Great explanation, thanks!
This was a damn good video. Thanks a good job
Fantastic effort
Definitive guide on brake system!!! Wow! thank you for sharing
You are welcome. A definitive guide indeed!
Fantastic man. Thank you for showing us this. I have subscribed 😊
Quick, no fluffy language and real components. I learn so much from your videos, you're the best.
Question: how does the engine maintain the vacuum in the brake booster?
The intake manifold is usually below atmospheric from the valves sucking in air when opening. The hose connects the vacuum booster to the intake
@@speedkar99 Makes sense, appreciate it.
Great, detailed explanation.
Great vid! Now I finally understand how the vacuum created by engine helps with braking. Thanks for uploading :)
You are welcome
great education . very enthusiastic teacher and phenominally knowledgeable .regards
Awesome video. VERY informative 👍
Awesome teaching. Thank you regards
Awesome explanation and video
the best and most detailed explanation ...you took the time to show how it really works ... you are a great youtuber⚙⚙🔨⚒🔧🔧
Thank you
Wow, amazing video. I really like your affect and presentation, as well as your knowlege and ability to expain things in an understandable way. extra points for the "decrimping tool"! Thanks for sharing. Decision to subscribe was a no-brainer.
I'm glad you enjoy my video style. My grinder is my best friend
Best video ever , thank you very much for this !
You are welcome
unique way of showing how the brake system works .
This is one great video!! Thanks!
After watching video of your tear down gearbox shifter, I remove gearbox shifter of my Honda city to lube components in there as it is stiff slightly from time to time. They are all rubber inside easily to break if no lubricant to smoothen its operations. Honda use all rubbers inside car. Don’t forget to silicone spray to make them last longer as possible. Your video does help!
Thank you very much sir. You are so helpful 👍
Wow, saved me a ton of time..what an Education.
Thank you so much
Very informative