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How Electric Power Steering Works 

speedkar99
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Here's a detailed look inside the electric power steering (EPS) system in your car and how it works!
In this video, an EPS rack and pinion is cut apart to show how each individual component works. The steering column takes input from the driver at the steering wheel and inputs it to the torque sensor. The torque sensor, sends a signal out to the EPS computer to power up the electric motor using MOSFETs, based on the amount of assist required. The pinion gear turns the rack, with the electric motor rotating about the rack via a recirculating ball system, providing assist.
The vehicle in this video is a 2005 Honda Accord Hybrid.
For more information on how hydraulic steering racks work, check out this video here:
• How a Hydraulic Steeri...
Here's how a steering rack works:
• How a Steering Column ...
Here's how to replace a tie rod:
• Outer Tie Rod Replacement
Skip to section in the video:
0:00 Introduction
1:41 Torque Sensor
5:35 Steering Motor
10:19 Conclusion
This is the Camera I use:
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27 июн 2024

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Комментарии : 512   
@benjaminsmith4058
@benjaminsmith4058 3 года назад
Sheesh, everything from a full mechanical disassembly to a complete view of the underlying electronics. Thanks again for a great video!
@speedkar99
@speedkar99 3 года назад
Thanks. Gotta understand the whole system to appreciate how it works
@glasser2819
@glasser2819 3 года назад
with these EPS we've got an extra source of CAN Bus errors. The EPS module has a learned "centering function" to help the vehicle drive straight else car is unstable around neutral.
@pieterbezuidenhout2741
@pieterbezuidenhout2741 3 года назад
@@speedkar99 thanks for cutting it to pieces so l don't have to. I can see a lot of different uses for this setup other than steering a car that will come in very handy.
@rocki_bb
@rocki_bb Год назад
@@speedkar99 it's awesome to see I get my special tools from the same place you do!
@Builtit1
@Builtit1 3 года назад
I love this guy because he puts work into his explanations. Also his nonchalant jokes about his brothers hat or toothbrush. Very underrated
@speedkar99
@speedkar99 3 года назад
Thanks, glad you appreciate my style
@planje4740
@planje4740 3 года назад
@@speedkar99 - sometimes use something from own women if you dare and not only from own brother
@riccardoscavo8485
@riccardoscavo8485 3 года назад
@@planje4740 He did, few vids back it was her underwear I believe and drew so much British dry humour over it
@thewayidoit8895
@thewayidoit8895 3 года назад
277k subs speak for themselves
@XMguy
@XMguy 2 года назад
I got to get me one of those special bits too. ;)
@amdstrollo3074
@amdstrollo3074 3 года назад
"So I'm going to use my special security bit to take these off..." *Angle grinder fires up*
@speedkar99
@speedkar99 3 года назад
Yep, that's my special bit!
@amdstrollo3074
@amdstrollo3074 3 года назад
@@speedkar99 I knew it was coming but I still laughed like a hyena anyways
@keithcurtis6671
@keithcurtis6671 3 года назад
Just wanted to drop a thank you. You give the absolute best expalination of how systems work, with a great addition of humor and quirkiness!
@speedkar99
@speedkar99 3 года назад
Glad you appreciate my work. Why quirky though?
@keithcurtis6671
@keithcurtis6671 3 года назад
@@speedkar99 To me the quirky part is the twist you seem to always add referance to some relatives clothing item and also specilty tools = angle grinder. Very nice fun addition!
@staterafukumoto
@staterafukumoto 2 года назад
thank you for creating educational content that’s very approachable and beginner-friendly, while also not feeling condescending. as a car enthusiast who is in no way a mechanic; i appreciate you.
@scdevon
@scdevon 3 года назад
I feel like I've been to college on EPS in 10 minutes. Thanks!
@toyorobo
@toyorobo 3 года назад
This guy is amazing! Also, I've started using a toothbrush to point to everything while I teach. It's been very effective.
@speedkar99
@speedkar99 3 года назад
Thanks. Sure it's a good habit
@Miata822
@Miata822 3 года назад
Rapid fire details. I love it. Everything I ever learned about how things work has come from taking things apart. The best way to learn.
@ChiliStyles
@ChiliStyles 3 года назад
#3. Cut off wheel is such a wonderful tool.
@joemikos900
@joemikos900 3 года назад
You are amongst the very best few automotive video producers on You Tube. My guess is you have an engineering background as well as being a mechanic. I am grateful for the time you put into these educational videos.
@speedkar99
@speedkar99 3 года назад
Thanks. I do put alot of time in research, filming and editing. I am a mechanical engineer and wrenching is my hobby.
@jamesking9334
@jamesking9334 2 года назад
You are a very good teacher straight talking and no if and but could listen to you all day thanks
@jacktheripper1083
@jacktheripper1083 3 года назад
that special security tool!!! Soooo SATISFYING!!!
@speedkar99
@speedkar99 3 года назад
Gotta love my grinder
@MrWoody135
@MrWoody135 7 месяцев назад
And now I put it back together..........great video, great explanations.
@irvinslagter8298
@irvinslagter8298 3 года назад
This explanation is really good, but think of how talented the people were that designed that steering and made it work flawlessly. Kudos to them and their ingenuity.
@speedkar99
@speedkar99 3 года назад
Sure
@rocki_bb
@rocki_bb Год назад
I'm kind of a tinkerer. There are multiple projects I've wanted to make that have been beyond my price range due to the cost of parts. Yesterday it occurred to me to see if I could use parts from junked cars. You helped me see it's totally possible. Thank you!
@mikechiodetti4482
@mikechiodetti4482 3 года назад
My 2020 RAV4 has this electric assist. I really like it! So smooth, center's real well, no pump, hoses, fluid and valves in the rack. Oh ya, no pump whine at full turn lock! Thank you for this video!
@speedkar99
@speedkar99 3 года назад
It sure is mechanically simplier and more reliable. But it devoids it of steering feel
@fxworld7012
@fxworld7012 2 года назад
You seriously deserve more subscribers, great job as always
@turbojoe2
@turbojoe2 3 года назад
Dude, Love how you went into the electronics of it. Cheers.
@MoBangFoYoBucks
@MoBangFoYoBucks 3 года назад
😂😂😂 I love that power snap ring tool! Looking forward to every video that you put up my man!💯👍
@Dough296
@Dough296 3 года назад
Thanks a lot for bringing that science to us ! Was wondering since a lot of time how the torque could be measured ^^
@TEKMOTION
@TEKMOTION 3 года назад
Bravo ! Very well done. I thought I had seen enough steering box's to last a life time. I was wrong.
@Jorma17
@Jorma17 3 года назад
Superbly ordered and comprehensive
@bumpstart21
@bumpstart21 2 года назад
Thanks for taking time to dissect the system for everyone. Looking at the substantial motor armature I see why this system tends to damp rack movement. Good for passenger cars and trucks.
@jrpeet
@jrpeet 3 года назад
You did a great job explaining this. Thanks
@doncarlson8391
@doncarlson8391 3 года назад
Great video explanation. Answers a lot of questions. The real trick is putting that thing back together. Thanks!
@HypnoticSuggestion
@HypnoticSuggestion 3 года назад
Just got my first vehicle with electric power steering and I like it so far. The steering feel is really good and so quiet.
@seshachary5580
@seshachary5580 Год назад
phenominal teaching. very grateful to you. regards.
@kevinbarry71
@kevinbarry71 3 года назад
I just love your complete set of obscure removal tools; great video
@speedkar99
@speedkar99 3 года назад
Love the grinder too
@many-points
@many-points 3 года назад
Great video! Always wondered how these worked.
@brettb8884
@brettb8884 2 года назад
Great detailed description! This guy is really good!
@speedkar99
@speedkar99 2 года назад
Thanks and glad you learned something new
@SVanHutten
@SVanHutten 3 года назад
Great video. Full of info and concise. Loved the parts with the fancy special tools. Now waiting for the reassembling tutorial ;-)
@speedkar99
@speedkar99 3 года назад
No thanks
@pgbpro20
@pgbpro20 3 года назад
Electromechanical genius! Loved the explanation of the torque sensing system.
@ForidKhan123
@ForidKhan123 3 года назад
5:50 Even he’s just as amazed as we are 😲 Great video as always!
@shyebutnot8637
@shyebutnot8637 2 года назад
Thanks for this. Love videos like this and learning. Finally started investing a bunch of tools to start. Next goal is to invest in some space
@stanleytownsdin4717
@stanleytownsdin4717 3 года назад
That was awesome, I love how you dismantled every part, great video! 👍
@speedkar99
@speedkar99 3 года назад
Thanks
@rotaxtwin
@rotaxtwin 3 года назад
Very thorough job sir. You covered it all.
@speedkar99
@speedkar99 3 года назад
Thanks
@ncbasspraise
@ncbasspraise 11 месяцев назад
I love the toothbrush! 😂Excellent job!!! You are very smart AND a clear teacher!
@colchronic
@colchronic 3 года назад
I love your specialized tools
@operator8014
@operator8014 3 года назад
Jeeze. You've got so many specialty tools.
@brucekultgen132
@brucekultgen132 3 года назад
Thanks for your exalent video! Wish I had your video's 60 years ago? Keep it up!
@roddydykes7053
@roddydykes7053 3 года назад
Definitely no electric steering racks 60 years ago! But yeah every aspiring mechanic should be able to see these videos
@peterbustin2683
@peterbustin2683 3 года назад
0:17 That socket, by the pinion looks like an emoji jumping around ! Brilliant video, easy to understand and to the point. Subbed and binge watching !
@hotchinahk
@hotchinahk 3 года назад
Another good video you show us how things work in our car, thank you.
@speedkar99
@speedkar99 3 года назад
You are welcome
@michaelbontoft5026
@michaelbontoft5026 3 года назад
Very well done. Factual and concise
@eugeneleroux1842
@eugeneleroux1842 3 года назад
Thank you for an informative and well presented run down.
@speedkar99
@speedkar99 3 года назад
You are welcome
@tyroniousyrownshoolacez2347
@tyroniousyrownshoolacez2347 3 года назад
I learn again! Great job as usual. Thanks for sharing. 👉👊
@speedkar99
@speedkar99 3 года назад
Thanks I'm glad it was easy to understand
@ljpr360
@ljpr360 3 года назад
Honda and Mazda do great Electric Power Steering, so much feedback for EPS.
@speedkar99
@speedkar99 3 года назад
It has to do with their suspension and tire tuning
@TwisteeTheDefiant1
@TwisteeTheDefiant1 3 года назад
Yep own a first gen mazda 3 can't tell the difference between that and mechanical sometimes lol
@torizaemon
@torizaemon 2 года назад
I wish all tech. videos were as clear and fast and accurate as yours is. Well done.
@speedkar99
@speedkar99 2 года назад
Thanks
@aggie7756
@aggie7756 Год назад
Bravo! Excellent video! Now I understand why my new OEM steering rack & pinion was so expensive...😫
@speedkar99
@speedkar99 Год назад
Thanks! Yep they sure cost alot
@mckoylach1622
@mckoylach1622 3 года назад
Thanks for your elaborate of the EPS systems. I think my 2012 highlander has this system . I prefer the hydraulic ones.
@kennedysingh3916
@kennedysingh3916 3 года назад
Thank you, watching from Jamaica.
@speedkar99
@speedkar99 3 года назад
Thanks from Canada
@8peterp
@8peterp 3 года назад
so well made ,amazing
@SesjaZen
@SesjaZen 3 года назад
Best video in this topic - THANKS!
@speedkar99
@speedkar99 3 года назад
You are welcome
@surajdharmavira3614
@surajdharmavira3614 3 года назад
Thank you. Very informative
@thillaiambalam5661
@thillaiambalam5661 3 года назад
Great work on explaining it to us. Keep up the great work 👍 👏
@speedkar99
@speedkar99 3 года назад
Thanks
@jorgon1
@jorgon1 3 года назад
WELL DONE SIR , YOU MADE IT EVEN A CHILD CAN UNDERSTAND... GOOD JOB ...
@MSaqib-bm6np
@MSaqib-bm6np 2 года назад
I subscribed your channel when u hold the grinder. Absolutely technology is beautiful from inside
@EIRK2046Y
@EIRK2046Y 3 года назад
Great explanation. Thank you mister !
@speedkar99
@speedkar99 3 года назад
You are welcome
@dba6121
@dba6121 3 года назад
I like your security bits.
@speedkar99
@speedkar99 3 года назад
I couldn't get by with these security bits on a BMW engine I'm working on
@barjan82
@barjan82 3 года назад
I'm working in the automotive industry, especially in the EPS electronics R&D field. The way you opened the PCB at 9:25 simply brought tears to my eyes 😂😂😂😂😂
@bhathiyawickramaarachchi1453
@bhathiyawickramaarachchi1453 3 года назад
hi.. pls help me.. my car has a electric power steering.. i start my car in a morning my steering wheel is very tight. in two or three minutes its going back to normal.. what is the reason..??
@riteshdoshi4721
@riteshdoshi4721 3 года назад
Hello, can you tell me what would be ideal EPS gear for electric vehicle ? Is it ball screw or worm gear?
@Julia.45083
@Julia.45083 4 месяца назад
Very good information thank you.
@davidco5533
@davidco5533 3 года назад
Very educational, thank you.
@speedkar99
@speedkar99 3 года назад
You welcome
@Neicoman
@Neicoman 3 года назад
Just found your channel. Informative and entertaining.
@speedkar99
@speedkar99 3 года назад
Thanks for subscribing
@AstonSubstantive
@AstonSubstantive 3 года назад
Excellent video.
@zeez9053
@zeez9053 3 года назад
It’s such a shame destroying the latest technology comparatively.At least you documented it ! 🤘🇬🇧
@speedkar99
@speedkar99 3 года назад
Destroying what would have been crushed as a scrap car?? I'm doing a favor here...
@zeez9053
@zeez9053 3 года назад
speedkar99 what’s going on that ye car must be scrapped -crash damage ? The components are top quality- Seems recycling components isn’t a thing where you are
@brucewilliams6292
@brucewilliams6292 3 года назад
That was a great explanation of the EPS system! Thanks. Unfortunately I just keep seeing one heck of a linear actuator. :)
@speedkar99
@speedkar99 3 года назад
Thanks!
@huxxjn2559
@huxxjn2559 3 года назад
Keep up the good job mate! Your brother's clothes though 🤣 🤣 always cracking me up!
@speedkar99
@speedkar99 3 года назад
Haha
@bigpantsbobnuggets5051
@bigpantsbobnuggets5051 3 года назад
My BS degree EE didn't cover many of these issues. Many Thanks. Bob
@speedkar99
@speedkar99 3 года назад
This isn't EE ...
@DIYDaveOK
@DIYDaveOK 3 года назад
Very cool explanation!
@speedkar99
@speedkar99 3 года назад
Thanks
@otrebronsenif8698
@otrebronsenif8698 3 года назад
very good explanation, mechanical and electronics side. very satisfied. keep up the good job.
@NathansHVAC
@NathansHVAC 3 года назад
Your videos are the best!
@3brixx754
@3brixx754 2 года назад
great video buddy im getting a job because of your teaching realy apreciate the help
@speedkar99
@speedkar99 2 года назад
Wow, what kind of job? Glad I could help
@justindoyle5972
@justindoyle5972 3 года назад
You sir just earned a new subscriber.
@sajanaabeywardana9725
@sajanaabeywardana9725 3 года назад
Superb! We hope your future videos will be full of new technological things. Good luck!
@samaanam76
@samaanam76 3 года назад
You deserve more subscribers 👏
@speedkar99
@speedkar99 3 года назад
Hopefully someday. Share with your network
@supperapper3292
@supperapper3292 3 года назад
very clear view , thank you
@speedkar99
@speedkar99 3 года назад
You are welcome
@Discoveringme123
@Discoveringme123 3 года назад
Wonderful thanks again!
@speedkar99
@speedkar99 3 года назад
You are welcome
@tonyt1554
@tonyt1554 3 года назад
Great explanations........Lets see you reassemble it 😉
@legalcriminal5730
@legalcriminal5730 3 года назад
Brilliant engineering
@gacherumburu9958
@gacherumburu9958 3 года назад
Thanks for the info..👍👍
@tajuano
@tajuano 3 года назад
Great video's and expectations.thanks
@Steve.191
@Steve.191 3 года назад
Good one kept me focused as usual.👍
@speedkar99
@speedkar99 3 года назад
Thanks
@whitbyretreat145
@whitbyretreat145 2 года назад
Top class informative video
@murraymadness4674
@murraymadness4674 2 года назад
great breakdown. those ball drive has me thinking would make great cnc drive.. can only get this info when someone does these breakdowns. thumbs up! and great little jokes.
@dmitryhitry
@dmitryhitry 3 года назад
Would love to see a mechanical review of a 09-12 rav4 v6/awd model. This is great content, keep it up.
@motivaksyon1938
@motivaksyon1938 3 года назад
So complete guy thank you
@speedkar99
@speedkar99 3 года назад
You are welcome
@Maverickf22flyer
@Maverickf22flyer Год назад
Love that special security bit @ 5:45=))
@elviarodarte1140
@elviarodarte1140 2 года назад
good job man!!!
@g2skinny
@g2skinny 3 года назад
I like the special security bit
@realvanman1
@realvanman1 3 года назад
Pretty cool. The *stator* is the field frame, and in this case has permanent magnets. It is a six pole machine. The armature (where power conversion takes place) is the part that rotates, in this case.
@newamsterdanm
@newamsterdanm 3 года назад
Nice broo. Good video description description man🗺🤳🏼
@speedkar99
@speedkar99 3 года назад
Thanks
@jumaljuma
@jumaljuma 3 года назад
Nice job
@mushenji
@mushenji 3 года назад
Thank You
@toninocars
@toninocars 3 года назад
Cool video 👍
@2405jacko
@2405jacko 3 года назад
Great!! Now that I know how it works , I'm gonna be forced to explain it to someone, ah man... thanks a lot. Awesome video by the way!!!
@speedkar99
@speedkar99 3 года назад
Teaching others helps you to remember yourself
@2405jacko
@2405jacko 3 года назад
@@speedkar99 Very good answer, bro!!
@eligaller9190
@eligaller9190 3 года назад
This reminds me of citroen's hydraulic diravi steering. There was no physical linkage too, a kind of physical backup linkage would apply only in the case the hydraulic system would fail. It was very comfortable for the time it has been built but it was very soft and did give allmost no feedback from wheels to steering wheel.
@speedkar99
@speedkar99 3 года назад
This still had the physical linkage....
@kevinkishor8153
@kevinkishor8153 3 года назад
Awesome video, keep doing this, you are awesome
@speedkar99
@speedkar99 3 года назад
Sure will. Gonna tear apart the engine soon
@kevinkishor8153
@kevinkishor8153 3 года назад
@@speedkar99 Awesome 😎 I am waiting
@geepea101able
@geepea101able 3 года назад
He's got the same tools as I have in my tool box. Hammer and grinder!
@speedkar99
@speedkar99 3 года назад
The best ever
@gohariub
@gohariub 3 года назад
Awesome man 😎
@speedkar99
@speedkar99 3 года назад
Thanks
@marcinor
@marcinor 11 месяцев назад
Very good
@paintballthieupwns
@paintballthieupwns 3 года назад
Thumbs up for your special security bolt removal tool :) LOL
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