Brake Caliper Slider Pin Grease - How Much is Too Much ?
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- Опубліковано 16 бер 2024
- What happens if you put too much grease on your brake caliper slider pins ?. In this video I grease the slider pins with different amounts of grease on the pins to see how each amount affects the operation of the pins. The caliper bracket I used for this demonstration used two identical pins with concave tips and three flat strips ground onto the shaft of each pin. This was only a basic bench test with one particular type of brake caliper pin and bracket and does not necessarily replicate what the brake caliper will do when operating under load in actual braking conditions. There are many different caliper pin designs and some of them also have rubber bushings installed on the shafts, so the results could be very different to the pins used in the video. I would recommend always using the correct amount of suitable, rubber-friendly caliper grease and avoid getting any grease on the tips of the slider pins or, if you do, wipe it off before reinstalling the pin.
This job can be carried out with the bracket still bolted to the vehicle, but I used a new caliper on the bench for clearer demonstration. NOTE: If you are lubricating pins that have been in use on your vehicle, you will need to clean out the old grease from the bores and clean the slider pins before applying new grease and re-installing them.
It is important to lubricate your brake caliper slide pins as failure to do so may cause them to stick or even completely seize up which could cause uneven wear of your brake pads. The car may appear to drive normally, but the pads will only be pushed onto the disc from the piston side. This will give reduced braking ability on one wheel, and wear out the pad on the piston side much faster. The pads could also stay stuck against the rotor which will build up heat in the brakes and wear your pads down even quicker. Thanks for watching. Please comment, like and subscribe !.
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Do not attempt to make any repairs unless you’re sure you know what you’re doing. For more detailed information, if something is not clear to you, or you don't understand something, have the repair carried out by a qualified mechanic or at your local car dealer. Any repair you carry out on your car you do at your own risk.
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Sir this is one of the best how to videos made. No stupid music. Straight to the point great video work.
Thank you !
Well, looks like I need to redo all my brakes to fix that. Wish I had found your video BEFORE doing my brakes.
I finished redo right now 😊
Clear, simple and well demonstrated. Thanks for not including some obnoxious music like so many others do.
You're welcome, thanks for watching !
The most common mistake in any brake job. Anybody can pop rotors and pads in, but greasing pins, shims and contact points are seemingly an afterthought and usually cause warped rotors or uneven pad wear. I’ve been doing brakes for 25 years and even I took away a lesson from this video, which is to lube the cavity before installing the boot - very good idea in order not to gum up the boot.
Thanks for watching !
From my experience of greasing shims, all that brake dust and crap sticks to them, leading to more problems down the road, I have always done my own brake jobs never had a problem or a complaint from a customer
Maybe you don't anyway, but don't grease the entire shim, only the part wear the caliper ears touch the pad.
DIY is a real problem for even basic jobs because 99% of people don't have torque wrenches. You don't guess specs when it comes to your braking/suspension systems.. let alone putting threadlocker on the caliper bracket bolts. Greasing pads properly is the least of their worries
@@COBRO98Have you been at a garage? Most of the time they don't care about thing you mentioned. I think some hobbyists are more precise with the things you mentioned. At least i do. ;)
I knew about greasing the pins and I always do when I do my brakes, but never heard of these tips before. I’ll have to try it next time. Thanks.
I always load up the grease on the heavy side and leave some on the tip - zero performance problems... and never had a pin seize. The pin does not bottom out, as it goes through caliper bracket first.
I now understand that I have treated my rear brake caliper with too much grease loving and shall remove and clean off the excess. I could not understand why my pads would not grip the disk tightly and now I do. Thank you ever so much for the tutorial, much appreciated.
You're very welcome, thanks for watching
I live in Ontario Canada and that means salt on the roads and rust on your car. Sooner or later this salty water makes its way past the rubber boot, either at the pin interface or at the caliper bracket interface. To slow this water infiltration down I always put a bit of grease in the slot where the rubber bushing is going to seat and rotate the rubber to spread the grease and form a better seal. Once I started doing this (both ends of the seal) I haven't had any rusty pins.
same here in NY near Lake Ontario....clean and regrease every Fall and Spring seems to be the best bet....lack of driving during Covid was the worst!
Honestly prefer video guides like this, simple, straight to the point, and easy to follow. Hoping to see more from your channel!
Thanks for watching !
Masterclass video, I thought I already knew what I needed when doing brakes but you’ve just taught me a whole new level. Many thanks
You're welcome, thanks for watching !
Probably the best video I have seen on the subject. Thanks!!!
You're very welcome, Thanks for watching !
Today i understand that how important the deep knowledge is ❤️
Just awesome video 👍
Thank you !
It amazes me how often I miss obvious things. I have not once ever lubed a caliper slider pin, and to think I almost passed this video by. Appreciate the knowledge!
Thanks for watching !
Great video. BUT, I don't agree 100% with the thought of it being over greased. Sure the pin will not push all the way into the cavity... but, it does not need to. You have a boot for one, then also the pin typically needs o be pulled out a bit to mate with the bracket. I find that when I have "over greased" the pins, that they are are still free when I change pads, versus when not. I also use Sta-Lube brake/caliper grease and not silicon. I do agree you should not have is packed on the tip and preventing the pin from completely collapsing the boot, but if the boot collapses, then you are good. That is part of the reason for the flat spots on the pin, to allow the grease to make its way back out. If you have a the pins with the rubber bushings, then yes, I agree 100% with your video as it will not allow the grease to ride along the shaft.
Mechanic of 40yrs, I use copper slip on slides, not greese, good vid for amatures who wana now how to do the job 👍
The reason to use silicone grease on these pins are because petroleum based grease will cause those rubber pin bushings to swell up thereby causing those pins to seize in the bores and also those rubber boots to become soft and rip as it reacts to petroleum grease
Set underrated video.
This is the FIRST video anyone should watch if you are starting to learn how to work on cars by doing a brake job.
If you don't know then don't work on brakes on the car
Once the caliper heats up, those bores get slightly larger and the excess grease will seep out of its captive areas unless the pins have rubber seals which some in fact do.. Great video..
You can honestly have grease on the tip, IF... you make sure you can fully bottom out the pin in the caliper bracket BY HAND and have full travel with it, any excess grease will be pushed out into the slide pin boot and can be removed with cloth if you have too much excess, i actually prefer to have a good coating on the inside of the boot because i've worked on many cars where moisture got inside the boot and rusted away the pin around the boot seals and ruined it, just dont fill the caliper bracket holes and boot full of grease and slap it on, that grease can and will escape through any means necessary. Keep in mind the grease is used for both lubrication AND rust prevention on the slide pin so you dont want to underuse it either.
Excellent and very helpful. I had an issue getting a pin out - I assumed rust ... but it was an air suction issue now that I have watched you video TY
Thanks for watching !
Applying grease to pins seems to be an art that even few "professionals" discover.
Thank you. I knew there was a trick to it, just didn't know how to accomplish it.
Thanks for watching !
You can use brake fluid to
Very helpful video. Some of the best tips around.
Thanks for watching !
Finally answered my questions about the different pins. My Toyota Rav 4 has the rubber bushing on the lead pin only. I replaced my pins cuz the existing ones had ripped boots and became severely stuck inside the hole. Once removed were caked with Dirty baked on crud. Hard as a rock. When I purchased a new set of pins, the bushing wasn't included and the autozone stores weren't aware of it at all. So I figured that toyota discontinued that part as problematic. However I also purchased a new set of 4 rubber boots, and the in the bag were 2 rubber bushings for the pins (Sold separately). So I cleanup the bracket and holes and all surfaces. Also painted calipers with red caliper paint. (Holes cleanup was extensive but thourogh and masked of for paint). When I use the clear lubricant I not realized that I noticed some resistance and didn't quite feel how I expected it to feel. But I I proceed to over grease all the pins.
I was just about to reinstall my brackets over the rotor, but saw this video and Was I Wrong and your video was perfect in explaining too much lube would have caused me major head aches down the road.
So I'm perfectly and completely informed how to install and with your instructions " DO IT RIGHT!!" And save my girlfriend hundreds and keep her happy with me too. I was about to make a tiny but huge mistake just like the previous mechanic did.
Great Video and very Informed.
Thank you Sooo Much!! 😊
You're very welcome, thanks for watching !
Excellent video. Very thorough and helpful. Thanks you saved me money !
You're welcome !
Excellent video. This also applies to putting a bolt into a blind hole. Excess grease or gunk can hydrolock the bolt, breaking the threaded hole. Just spray some brake clean into holes and blow them out with compressed air to avoid this.
I always use Molybdenum Disulphide grease, commonly called Molyslip or CV grease, on the slider pins.
It's rated much higher than silicone grease for pressure, is kind to rubber, sticks to metals and is extremely water resistant. I have never once had a slider pin seize with Molyslip.
If it's good enough to cope with the severe load conditions inside a driveshaft CV joint, then it's easily up to the task of lubricating and protecting a slider pin.
One thing I will recommend is never to use copper grease. It is an abrasive that will wear through steel, causing the slider pin holes and the rubber boots to wear unevenly.
Excellent video on this subject! 100% perfect! Thank you!!👍
Thank you !
remember! Always wipe the tip.
Perfect explanation.
Thank you
Thanks for watching !
Awesome video! Silence is golden.
Thanks for watching !
Thanks for the detailing knowledge.. appreciated.. all the best for u sir..
Thanks for this great video, never new that and now have to re do the greasing job!
Thanks for watching !
Another good tip for people that don't take care of their vehicles. Thanks
Thanks for watching!
Just lubed my caliper slides today! Didn't know if I put too much or little.
great tip, thank you for making this video, very informative
You're welcome, thanks for watching !
Тот случай, когда "очень хорошо" совсем не хорошо. Спасибо за видео!
Thanks for watching !
Well done & explained . Like now I know how to do this correctly.
Thanks for watching !
Thankyou for your video and explanation
Thanks for watching !
Thank you for making this video
You're very welcome !
Thank you very much for this video !!!
You're very welcome, thanks for watching !
I only learnt about greasing the pins in the last few years (I'm 50) . I thought I was doing it right but now I know I was over greasing them. I had signs of this too. 🤦♂️ Now to fix my errors. Thanks
Thanks for watching !
Thank you very much for this useful information..
You're welcome, thanks for watching !
My respects buddy, great video keep them coming.
Thanks, will do!
very detail & super useful info. Keep it up
Thank you !
Very informative, Just in time for me, thanks.
Thanks for watching !
Good advice here, and I'm glad I watched the video. One question though - doesn't the boot prevent the pin from moving all the way in anyway?
New subscribe from this video. Best one I've seen on this topic
Thank you !
Nice video. Also the thicker the grease the more likely to create vacuum. When i finish installing the caliper i lift the rubber boot with a screwdriver and sometimes it burps some air left.
Thanks !, good tip 👍
Thank you soo for for this video. It's a well needed video for me. I needed that today bcz I'm about to do my brakes soon. I did some brakes before and over greased and had soo many issues.
Thank you soo very much.
Just like and subscribed the channel and waiting to see more great tips like this one.
Also a small recommendation that if you talk while explaining thing, that will be awesome 👌
Appreciate your video
Nice job!
Thanks!
learned a lot from this. Thanks
Thanks for watching !
Thanks!
Thanks very much for your support !. I really appreciate it 👍👍
Some how i feel this video was inspired by ETCG brake videos he did back in 2010’s
Not sure I agree, but those older ETCG videos was great. Loved the channel back then and watched all of it.
I usually check if it's too much grease by installing the pin and boot and see if the boot can push the pins back up smoothly when I press down the pin and let it go.
Applying a thin layer of grease caused it to stick again on the next interval..
Wow. Great video. Noting but informative.
Thanks for watching !
Thank you!
You're welcome!
Very long, but very useful 👍
I dont know why this crossed my path? I am working on my breaks currently , i guess we are always being watched..
If something is free for you to use, YOU are the product.
Big brother is just helping out
I re do it twice a year, always when I swap summer to winter tires and vice versa. I do always a break job, take the pins and pads off, clean them with break cleaner, some sand paper and break clean again and finally relube them. And always sand the inner and outer brakedisc surface, as well as the inner rim surface and bearing hub, I slightly grease them too with break grease same Inuse for the pins. Especially as pre winter treatment because of the salt.
excellent video ! 10/10
Thank you !
Worth checking on any new caliper or caliper bracket. Some come pre greased, some don't, I've even had pins seized in new brackets right out of the box.
Gracias❤
You're welcome
When I did my own breaks this one part is the most annoying, I found the pins would bind with too much grease but too little and I could hear metal on metal scraping, super annoying to try and get it right.
У нас в России принято, "мало смазки не бывает", и поэтому каждый пытается в любую дырку забить её больше, полезное видео, благодарю🤝
Thanks for watching !
would be nice to see:
- how can you remove an extra greese
- how can you check if ping works correctly or you need replacement
Excellent
Thanks
What about the bellows? I really don't like when they have a vacuum inside them and are sucking inward. I usually open one end with a dull pick to squeeze out any excess grease and let air back in. When they have this negative air pressure, they don't want to open up as smoothly.
GOOD STUFF THANKS
You're welcome !
very informative. I'd like to see different style pins (rubber on the tip especially) with different clearance guides tested for more conclusive results. I have one problem with your claim that the pin not pushing in all the way could be the reason for uneven wear... The floating caliper is designed to retract those pins in operation not to push them in. Plus the forces involved are so high I doubt the grease will stop it or disturb it's operation in any meaningful way as opposed to just getting pumped out thru the clearance ways. If you can point to a specific situation where it would be a problem we could discus this but from what I understand as a technician if the caliper piston is in working condition the fact that you put too much grease in the pin holes should not matter in the context of even wear even if you have completely new rotors and pads. Please point out the holes in my logic so I can learn.
Good to know! I liked the video 👍
Thanks! 👍
Hello good job 😘😘😘
Thank you !
The pin never bottoms out on the caliper carrier during normal operation anyway.
Great video, thank you! Question: does this technic apply as well for the pin with the rubber gasket near then end (the one you usually found on the front calipers)?
Thank you, yes it does. Just make sure you use a silicone-based grease that is rubber friendy. Petroleum-based greases can cause that rubber gasket to swell up and cause problems.
Love your video. I need to repair my rear brake, this video will give me some idea what to be careful about. Well done.
Thanks! 👍
Remember guys keep your tip clean.
They work the same with rubber boot installed
Thank you never knew that:)
Thanks for watching !
Okay. Question: taking into account that the brake caliper is mounted through those pins and the bolts to the brackets bores, how to prevent the pins from tilting after tightening the bolts? My conern is that if the contact surfaces between brake caliper and the heads of the pins are not perpendicular to the axis of the pins, then - in my opinion - it might cause the angular tension in each of those two bores so the brake caliper will not be able to slide freely. What do you think? Is that issue even possible or I am exaggarating? Currently I'm struggling with "sticky" front brakes in my car and trying to know the reason. Sorry for my english.
I just drill into the bracket and thread in a zerk fitting. Couple pumps of ep grease and good to go.
Thank you for sharing this video..
I wonder do you have experience with smaller brake caliper like on the honda cub bike, one of the pin was not inside the metal bracket, it was only rubber boot..
the problem i have is when i pushed the bike towards, there is no resistance at all, however when i pull the bike backward and also tilt the handle i feel so much resistance from the brake pad..
does the silicone grease is a must ?? can i use generic grease to lubricatet the pin ?
I don't have any experience with bike calipers at all I'm afraid. As for the grease, I would recommend using a good high temperature silicone grease like in the video. Other greases can react with rubber parts and cause problems.
@@screwsnutsandbolts Thank you so much for your reply.. I'll try to use silicone grease then.. again thank you so much, and have a great day..
Спасибо.
You're welcome !
No way.
This makes too much sense.
rubber grease
Good to show, factory lube way much less or grease or you could say nearly none at all, a smear..boot is there keep moisture/debris out can say to..
That silicone grease will be gone out of there within 2-3 months. I'd use ceramic brake grease in there, personally.
Much thanx dude. Do you know, what is the difference between pin types, like Pin A and Pin B on many brake calipers? Pin A has notch like in your video and Pin B doesnt. For example, Honda's brakes has A and B markup on their BC, but on the right side A mark is on the top and vice versa on the left side (bottom). And i dont know what is the right way how to place pins
Thanks. I'm not sure, it seems to differ between manufacturers. This link may be of help: www.civicx.com/forum/threads/help-front-brake-guide-pins-top-bottom.48762/
Can it be used for bosch superfit car brake calipers? I would be happy if you help
If i can push the pin in by hand multiple times amd it pushes itself back just a little, its good! Thats my go-to atleast
I silicon all pins
How would i clean out the bore if i put too much grease on the pin? A Pipe cleaner and a lot of brake cleaner i would assume no?
Yes that would do it, just make sure you don't leave any debris in the bore
Yep, I've done that before.🤦♂
Would you say that silocone grease (or 'paste' as I've seen it) is recommended over a black synthetic grease?
Yes a high temp silicone grease is recommended
Great video quick question would that be the reason the steering wheel has a little shake in it and pulsating from high speed to low speed and I pulls to the left of right could that be the pins or calibers itself
It's unlikely to be caused by this. This link shows the main reasons you get steering wheel wobble: www.theaa.com/breakdown-cover/advice/steering-wheel-shaking
Merci
You're welcome :)
No such thing! As long as the boots can hold it, it gets globbed! I'm partially joking, but for real up here where these pins love to rust like crazy, a lot of lube and a good seal is essential.
"and the Woe masters teach the deepest secrets"....
Thanks for the great vid!
Thanks for watching !
ما هو نوع الشحم الذي تستخدمه من فضلك
Permatex 80653 Silicone Extreme Brake Parts Lubricant is one of the best
Полезное видео
Thanks for watching !
I’m noticing my brakes squeaking but my vehicle is brand new(6 months in), could it just be accumulated brake dust or something else ?
Were the brakes bedded in from new ?. This may be worth a try: www.wagnerbrake.com/technical/technical-tips/break-in.html
To the point
Thanks for watching !
Only 1 of 8 was stuck, not bad for 18 year old car. But in Australia , no salt ,the cars last.😅
Very thin coating on the pins. That's it. No grease anywhere else. Grease collects dirt ! Wire brush ftw