Whats Inside a Power Steering Rack?
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- Опубліковано 30 лип 2020
- If you’re curious about what’s inside a Honda power steering rack, watch this video. In it, I completely disassemble the power steering rack I took out of my 2012 Honda Odyssey. The reason I replaced the rack was because of a small vibration in the steering wheel when going over bumps. The van was in a collision before I purchased it and I believe the rack was damaged during that incident. Be sure to watch the entire video to see what caused the vibration.
See below for the video about replacing the power steering rack in my 2012 Odyssey.
I hope you find the info helpful and entertaining!
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REBUILD IT PLEASE - a Power Steering Rack rebuild video by Eric will be super cool. All agreed - give thumps up here so Eric can make the video.
Well, you saw how it came apart. You could easily use this info to rebuild one of your own. Thanks for the comment.
@@ericthecarguy screw that...too many small parts ..I'll buy a cheap rebuilt on eBay 😀
@@bilbobaggins4710 Maybe, you'd get lucky and buy a new one - like Eric. Don't neglect your local auto parts stores. They sell rebuilt parts.
@@jeffkelley3419 too expensive....I mean my rack works fine just needs seals as is the case 99% of the time....not worth spending $350 plus my old unit... they're making a killing ...eBay $140
@Mike Pevency It's not always 'just seals' like in the case of this PS rack. If you end up needing hard parts you just lost your shirt on the rebuild and you would have been better off replacing with new or reman.
I worked as a Rep for a rebuilding company that was one of the first rebuilders of racks. At a introduction to racks, TRW explained that the spool valve was made with Teflon seals that over time would cut into the aluminum housing, making the rack "non-rebuildable."
Hogwash. Anything built can be rebuilt! They bored the housing, installed a steel sleeve, making the rebuilt unit better than the OEM unit!
I don't know that I ever wondered what the inside of a steering rack looked like, but I found this very interesting! Thank you!
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@Kieran Clyde instablaster :)
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Takes quite some time so I will get back to you later with my results.
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Thanks so much you really help me out!
@Kieran Clyde You are welcome =)
My dad this morning was complaining about his car making a whining noise when turning. I explained to him its his power steering. He was like how does that work anyways? And this video came out today lol
Probably the pump. Either just low on fluid or getting worn out.
@@wernerdanler2742 months later but youre probably wrong. PS pumps have several O rings that can go bad, allowing oil to leak or air to pull in. Whines are usually from air being pulled into the fluid or in worst cases, the bearing going out. But both things can be replaced. The vanes going out would mean it won't pump anymore.
Fun fact: The main front suspension noise on the passenger side that gets us all crazy and after changing all suspension components is always still there, is from this bushing 11:48 it only needs a little wear for the pinion to move up and down inside the rack so slightly and create that rattle noise that nobody can find! When the rubber dust boots get torn the dust destroys that small bearing causing the valve assembly pinion to move causing the leaks, that is why from factory they install this small bearing without the rubber seals to guarantee premature failure 😀!
I don't understand how that bushing on the end of the rack at 11:48 has an effect on the movement of the pinion up and down. If it were a bushing on the top or bottom of the pinion, that would make sense, but on the end of the rack...? Or did you mean to say that the bushing (what Eric called an end cap) allows the rack (shaft) to move up and down? And what bearing are you referring to? I didn't see a bearing on the end of the rack? Sorry, I'm just a little confused by your description. Thanks
This is exactly the sort of thing I do: broken toasters, microwaves, derailleurs, fans, X-box, VCRs...
Because it’s interesting to see how everyday things that we take for granted work.
I’ve been watching your videos for years and I just wanna say thank you for taking the time to film and entertain us.
Thank you!
Hello Eric, I’ve seen a lot of guys changing out steering racks because of an oil leak from a bad seal. Is there any reason why those seals can’t be replaced?
Your video has convinced me to change my power steering fluid regularly and if/when I need to replace the power steering rack to seriously consider buying a new vs. refurbished unit. Thanks for posting!
Very interesting reengineering video! People around here use that shaft to make homemade bench drill machines.
Thanks for sharing,I just replaced the rack in my 2020 jeep compass for the same kind of noise you described. Had no idea of why but that bearing certainly makes the most sense. Dang shame to have to replace a $600 part for such a small bearing. At least this just gave me some peace of mind to know how it could have been making so much noise. This was great!!
Magnificent! Your video actually sheds a light in mysterious thumps that i experienced with my actual Acura TLX and a previous Honda Accord. The major issue is caused by some kind of front collision with previous owners. Unfortunately not a lot of guys out here want to repair or have the knowledge to do so.
Then, charge you for speculation over costumers ignorance of mechanical problems and wrong parts.
Once more I am impressed with the machinery quality and craftsmanship of japanese automakers.
Great job showing the guts of it!
Keep up with the good job man!
Thank you!
Thanks for taking the time to dissect the steering rack, it's definitely the bad bearing that was giving you the problem, a bearing not working properly will mess up your seal and then you have oil all-over..
Cool. I love taking stuff apart and seeing how it works.
Thank you for my therapy session Eric!
Haha right? 👍
Hey man, thanks for being on the internet for so long. Over the years, you've always been solid in your advice, you rock. Keep it up, brother!
Thanks (again) Eric! You've really helped me work out what might be causing the fluid leak in my LR Discovery 3 rack.
Thank you for the look inside of a power steering rack. My car has a rack problem and this is very helpful in tracing the problem. Well done Sir!
That is some pretty precise machining that goes into that
Yeah, electric rack and pinion seems like a much better ideea. I got it i my 02 shit box civic. I don't see why the hate.
@@SoulTouchMusic93 I hear ya on that but is it more reliable? And if it F's up does it cost like a grand to fix?
@@sc0tte1-416 it shouldn't really. I meant my Honda is made in 02 and it still goes. I believe when these racks first started they had the electric motor close to the steering wheel and the sensors as well. And they had shitty steering feel. Now it looks just like this one in the video, they have the engine and sensors right next to the rack and it's one sealed thing. They don't seem to go wrong, they feel good, they don't create drag on the engine and they only need 2 wires to give them power.
@@SoulTouchMusic93 let me know when 30yrs old with over 500k miles. All my vehicles still have their original items, newest is a 94. Plus I get full feeling is steering.
That was excellent, yes with the force of the hydraulic pressure, the lateral thrust on that bearing would be considerable. Never thought there was so much to a steering rack, the valving is incredible..
Hi Eric, love your videos. Precise and straight to the facts. Too much in a rack that is high precision. I'll pass and if it whines enough or fights me, the new rack should be nice and cheap and not worry about how it works. Good coverage !
Replacing my wife's power steering rack in a few days. I really wanted to autopsy her old rack, but need to return the core. Thanks to the tear down!!!
I have a slight vibration in my steering wheel (2005 Accord) only between 60 and 70 mph. New rims, alignment, balance, hub centric rings, etc. No leaks off the pump or rack.
I collected some of the fluid to inspect which was reddish black. Meaning someone had put ATF in a Honda power steering system and I guess it gunked it up to the point of wearing out the bearing in there like yours. I've done 2 full flushes and it's still pretty dirty. This video gave me a lot of insight, thanks!
Your my go to mechanic on youtube whenever I want to learn how to work on my own cars. I want to repair a leak in my '03 Mustangs rack and pinion and I want to familiarize myself with what is inside of one and this video really helped. I like to work on 3D printers and anything mechanical like you so I know the warm fuzzy feeling of taking something apart just to see how it was designed and how it works. Thanks a lot for continuing to make more content. It would be cool to see more videos like this one. I'd watch a whole series of these lol.
@EricTheCarGuy We rebuilt 100's of thousands of steering racks over the last 33 years. Interesting to watch you go through the teardown. Sad you didn't give the viewers the terminology of the components. As a builder and a troubleshooter I have been through so many calls and emails with people that didn't know what I was describing and they had been "doing this for blah blah many years" lol. BTW this rack is pretty simple parts wise than so many others. Also there is a reason why we leave the passenger side tie rod on when you take the pinion nut off! Love the mess!. Honda doesn't want the core back because it's a cheap POS of a rack often made by KOYO or SHOWA. They are so poorly and cheaply made like the rest of the vehicle that they are disposable. The rack piston is super soft steel so it bends easily and the chrome is thin.Yeah the lower pinion bearing is often a failure in the Odyssey just as in GM's especially Magnasteer. Too small of a bearing for too much load. And for those who buy the kits online and say "hey I'm going to rebuild my own!" Have fun! Unless you have all the specialty tools to properly remove, install, and seat the telfons, rubber seals, o-rings, packings, bearings etc for the more difficult racks I wish you well. One nick, burr, or ill-fitting packing with cause a fail at pressure. The one final tool is our trusty Branick RPA-700 tester. This is what simulates in-vehicle operation. If it's going to fail it will on the test machine. If you don't have this and you're rebuilding your own it sucks to put the unit back in and have it fail making a mess all over everything. Using the vehicle as your final test is a bad way to learn a lesson. For those who whine about rebuilt parts I can tell plenty of stories about the seasoned wrenchers that ruined many a rack and expect warranty replacement. Good video Eric.
Hi Jon Roberts, are you saying that any steering racks can be rebuilt/repaired and there is nothing called beyond repair ? Thanks in advance for your (expert) response !
@@ssudarso I never said ANY. I did mention some in that post aren't worth it. We've certainly seen beyond repair. No doubt. Collision victim where the entire housing is shattered or the rack shaft is too bent to straighten. Mounts broken. The famous LH platform Chrysler had in the 90's that was positioned in the vehicle so that the rack housing would fill with water and the polished rack shaft would be corroded and pitted beyond repair. First gen Tacoma 4WD would get water in the passenger end and ruin the entire shaft. Couldn't get them re-chromed when that damaged. Oh and Late 70's Volvos leaked like hell no matter what you did. Bad design. Same with early Audi 100, any old school Bentley or Rolls, Jags, leaked like hell. Most older UK racks made by "Pow A Rak" were horrible leakers even with genuine seals. We only rebuilt with OEM seals. Some parts are just made bad and rebuilding is either more challenging or pointless. Thanks for the reply!
@@jonroberts4422 many thanks for your elaborative responses and explanation. Understand that if major deformation happend (too bent, damage due to accident etc.) it is better to replace the whole unit but in general if it is about "noises" - it should be rebuilt-able.
The main front suspension noise on the passenger side that gets us all crazy and after changing all suspension components is always still there, is from this bushing 11:48 it only needs a little wear for the pinion to move up and down inside the rack and create that rattle noise that nobody can find!
By any chance, do you know companies who sell this repair kits? I`m asking just to make a test with my old steering rack. Last time, makes some ugly noises when turning left/right just standing there..
Great video, I love the disassembly type videos to see what makes it tic.
Keep Pumping those informal videos !
I’ve watched you’re videos since mechanic school !
I _may_ have to do this on my 96 Tacoma. Bookmarked this for reference. Thanks, Eric.
This is fascinating and I thank you for taking the time to do this teardown. I learned a lot!
Thanks Eric. That was very informative. Be safe!
This guy has the most soothing voice, like Alex Trebek. I'm going to watch this again next time I'm feeling anxiety.
Most Soothing Voice ever, anywhere on the internet is Bob Ross, Joy of painting... If you can't sleep, try and stay awake listening to him... :)
WOW! Pretty freaken cool!!! Always wondered what was inside a PS rack. Thanks for the demo.
Wow. Never knew so much "stuff" was inside the power steering rack. If I end up replacing mine, I won't feel so bad about spending hundreds for a new one. Thanks Eric
Great video Eric thanks for taking time out and showing inside of power steering rack on a Honda Odyssey.
I had to replace my tie rods, found the boot was ripped badly, then found the entire bottom of the rack covered in fluid. Looked at some "how to replace steering rack" videos, now I'm here learning a hell of a lot more about power steering components. Now, while I'm pissed about everything I've found wrong on my car, I'm glad I end up learning cool shit through it
Thanks for sharing! Your knowledge of repairing cars is great!
Definitely do more videos like this. I don't own a Honda vehicle but I learned a lot!
THANK YOU ERICK FOR SHOW US HOW IS BUILDING INSIDE A POWER STEERING RACK AND TO SHOW WHERE IT WAS THE PROBLEM. THANK YOU ONE MORE TIME !
I think most likely was the gap between the pinion and the gear was too big due wear and tear. Kinda like diff gears. Most steering racks probably just need some adjustment from that nut that had the spring. Thank you for the video. Very enlightening. My boss use to say, “if you how it works you can fix it”👍
Thank you Eric I always enjoy watching your videos and thank you for your comments I am from South Africa
This video is interesting. Never seen one apart. Very cool!
Nice informatove breakdown demonstration video Eric
The engineering that goes into this to get the fluid where it needs to go.
The heights that Western man reached with his engineering and technology in the 20th century is staggering completely taken for granted.
I wanna know the wizardry behind the valve body in an automatic transmission...just breathtaking
OilBaron
“Western man?”
You know China has had natural gas piped into people’s homes for thousands of years?
@@fastinradfordable Yeah, Western Man. Europe and European diaspora nations have led the world in innovation. From 1400 to 1950 about 97% of scientific innovations have come from Europeans. You could say that everyone else is culturally, technologically, and in nearly every other sphere appropriating European ways 😄
Then the bean counters got involved and said how can we make it as cheap as possible and last till just after the warranty expires.
Thanks, for sharing your mechanical skills.
Outstanding valuable video, Eric, thank you.
VERY interesting. Have never seen a rack disassemble. Good job 👍
I was curious as to what was inside a power steering rack. Thanks for sharing.
Fascinating video. So much effort, engineering and high quality parts go into actually making something like that, only to have it end up as junk. It's a shame. But in many parts of the world this would be repaired and live again.
yep. slap two bearings in and a set of o-rings and i bet he could resell it
I recall that after replacing your first rack and pump it is a good idea to install an inline filter. That way those little metal chips get caught before they can do more damage. I got interested in using a filter when the local Ford dealer quoted me $5,300.00 for a new power steering pump for my 2000 Ranger EV.
had to look up some videos on what all needs to be moved/removed to replace a rank in a 98 CR-V. Saw this video and thought why not give it a watch. So makes me want to pull the mine apart when I replace it.
Brilliant video, great ! I think I’ll be changing the rack on my RX7!
Thanks!! I love taking stuff apart to see how they work.
I've always wondered what a rack and pinion looks like. Thanks!
Very cool Video. Thank you for taking that apart for me. Cheers!
Watching your videos is so much satisfying than watching Netflix.
Thank you ETCG!
Thank you!
Love videos like this - where we all learn new things together. The great picture quality means we see every nut and O ring. It's a real skill to make viewers feel so 'involved' in the project - bravo. But I have to say that the beard seems to be taking over. Be careful, as that's how Charles from HM started - and look what happened there! lol Long live Eric the Car Guy!
Thank you again for your comments. They are always appreciated. As for the beard, my wife is in charge of that.
I agree. His beard looked much better two years ago.
@@ericthecarguy You are most welcome as always, Eric. Still the best on UA-cam... even with the beard.
All that, over a single bearing. So important, yet weak in it's way. Cool video! Thank you for sharing!
Love the autopsy! Very cool! Keep these vids coming.
Great video! Very clear and concise, and helpful.
Woow, very detailed hands-on presentation.. you're the man..
You make the absolute best videos! Thank you.
First time coming across your channel. Great video on the power steering rack disassembly
Dude crazy...I was just thinking "i should look into how to rebuild my rack and pinion. I Have to find good video." BOOM!!! Like Fate. Your the fing man Eric
You "only" need 3 things, the chilton, the repair kit and big magnifier glasses. If the internal metal parts are scrachted, you lose time & money.
@@leocarvajal6967 thanks for that info. Ill look into that. Nice to hear from someone whose done it.
Thank You Eric I was curious about what was inside of a steering rack, Thanks for your video
Cool ! Thanks from UK !
Very helpful interesting thank you I have a zf rack and want to replace the seals this will help a lot kind regards
Great video as usual. Now please rebuild it and throw it back in the vehicle! I'm not kidding.... we all need you to do this so that we can stop spending hundreds on full racks and just buy the seal kit for $20-$25. Thanks!
Awesome take apart
Yup thats me too. I like to know what things are made out of, and how they're put together...LOL . Nice demolition EricTCG😀
I've done a lot of rack n opinions but I've never seen inside one. Cool video😎
Very helpful my very old Fiesta is making crunching noises when turning. probably also bearings. Re-con rack needed.
Thanks for the heads up on the 17mm that holds the bottom of the pinion. I would have done the exact same thing. But it would have been on the tailgate of my truck. And I know the guy put break fluid in the pump. That would have been catastrophic to my paint. Great work. And Happy Easter BTW
Thanks for sharing it my friend. I always wanted to see it inside. I have that car model in Brazil.
Im about to replace a 99 CR-V rack. This video was more interesting than the ones I'm watching for the actual replacement, even though Im doing nothing related to the rack itself and its components.😅
Great video!
Great video Eric! Thoughts about replacing the bearings and seals and rebuilding it for your parts inventory?
I have tightened that nut with the spring and piece that holds tension against the shaft about 1/4 turn on my rack and solved a noise issue on some cars. On others it didn't work at all. If you get it too tight your steering will be too stiff, so go slow and check steering effort often.
Very interesting video ,thank you very much.
The seals could leaking or the valves were sticking/bypassing. It could also be the bearings like you pointed out. Most likely a combination.
Greatly informative video thank you for creating and sharing your content it really helped me learn
My 1977 Civic Hatchback had a steering rattle. I made the rack pinion load adjustment once at abut 20,000 miles and it was sweet until I threw the car away at 120,000 miles. No power steering so the driver had good rack feel!
Nne of my subsequent Hondas or Toyota needed it.
I would confess I will not take one apart but the engineering is very interesting . Thanks a lot for the video .
Nice video Eric, I could like to add onto that. Those steering rack mounting bushes can contribute to that rattling sound.
Great video. You reminded me of the actor George Clooney. Voice sound exactly like him.
Enjoyed the video, from watching other similar videos, there is also an oil seal inside the tube, FYI
cool video eric !! alway wondered how they worked
excellent video. thanks for taking the time to make it.
Very helpful video, thank you!
Me: curious to see if i can rebuild a power steering rack myself. Eric: already posted a video 11 months ago. Lol good to see you around still bro
That was amazing when you used the impact and stuff went everywhere! haha
Thanks a lot. Very informative video.
I tried rebuilding one of these once. About 5 minutes after I got of the car (1999 Honda Civic) I destroyed it. Stripped a big nut out while removing it. Wish I had rebuilt this style. Looks much easier.
I tried watching this after lunch and fell asleep. Finished it after my siesta. My knowledge of a power steering rack and what it looks like inside is complete. Thanks for another ETCG1 video and would you consider rebuilding this in the near future?
Thank you! No, I have a brand new Honda unit installed in the Odyssey. I don't see any need to rebuild this one.
Great video. The steering rack on my 2008 Vito is leaking fluid from a steering gaiter after about 27k (reconditioned exchange unit) so if it's out of warranty I'm wondering whether I can get the seals out and replace
Thanks for the video 😉
Thank you brother This is amazing explanation
Very cool, thanks for sharing, never seen inside one. It appears that the fluid keeps even pressure on the stationary piston until you turn the wheel like a valve body inside a trans. Curious to know how when turning the wheel, how the fluid moves from the shaft to the piston since it needs to bleed off one side as it turns. Those 3 seals obviously direct the fluid, but the back and forth of the fluid direction is great engineering. Again, very cool.
Cool video. Thank you! Much more to it than I thought.
Eric your videos are very good from a visual point of view and I am grateful for the effort you put into them on UA-cam. I would just suggest that when you take something apart, like the Honda power steering rack, you might at least show a manufacturer's diagram of the parts. You might even clean up and arrange your parts to correspond to the exploded view of the parts diagram. It would reduce the amount of guessing on your part and would be much more instructive. Thank you.
Thanks for sharing! If we were in the old days, that's what a mechanic would do and repair or at least send to somebody for repair. Not only throwing stuff in our cars
Keep it up!
You have a point there... but you'd be without a car for a couple of days. That won't fly with most modern day customers.
Eric the automotive boltr guy. Sadly this will be on the healing bench in heaven.
I like these videos to see underneath the peatycoats.