Master Cylinder Restoration/Rebuild

Finally another installment in the Cherokee XJ project. It's been on the back burner a bit since I've been busy trying to set up and move everything into the new shop we're moving into.
Don't ever waste your time trying to rebuild a master cylinder like this. The rebuilt part is like $20, so it's not worth the time of going through all this. Just buy a re-manufactured brake master cylinder like everyone else does.
This Master cylinder was already working properly, I just wanted to clean it up and rebuild it anyway since I was already replacing all of the rusty old brake lines.
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[@andybob1001]

I can’t wait to see this XJ when it’s done. Gonna be mint.

[@fty-ys4ni]

In the description you say it isn’t worth the time or energy to do this but what I think makes it worth while is that you’re allowing the original parts to stay mated to the vehicle for even longer than if you were to replace them outright. It gives more meaning to the word “restoration.”

[@oo0Spyder0oo]

I agree, plus the satisfaction of doing it yourself and showing others not to be a throw away society.

[@bkp8345]

Whhhhaaaaat!? A rebuild of a car part? And it's a master cylinder from a jeep 4.0? Love it!

[@kjamison5951]

Nice job! One caveat: brake fluid is toxic. ALWAYS wear gloves when handling any component which still has brake fluid in it or on it. One tip: when using the low temperature plastic pellets to form plugs, push a broad flat screwdriver into the softened plastic before it sets. Then use the screwdriver to unscrew the plugs when ready.

[@doodlecaboodle9298]

You'll be alright, lol. Just wash your hands. Brake fluid's toxic but you gotta intentionally swallow a decent amount to get hurt

[@jonathanlitz2018]

I've used brake cleaner to clean old spark plugs from carbon build-up without gloves, and i was okay after i washed my hands

[@Krzys_D]

​@@jonathanlitz2018brake fluid not brake cleaner, but yeah they are both toxic but just gotta wash your hands after if you aren't wearing gloves, and if you have cuts or open wounds on your hands make sure to wear gloves

[@gregorymahnken9682]

Great work, very satisfying to see the progress on this XJ one piece at a time. Also loved the "?" Pedal 😂 Just a tip for anyone watching (not the creator as I could learn a lot from you) but if you're already going to be replacing the line, no need to bother with a flare wrench especially if youre worried about stripping it, I just cut the line at the nut and put a 6 point socket right on it.

[@kickass0815]

I thought so too,... I was worried that'll keep the lines

[@Podcastcomedyy]

Love the restoration videos on the Cherokee. Gives me some insight to give mine some love in the restoring part of building a jeep

[@scottcates]

It's nice to see a good restoration, even though it's more cost-effective to buy a remanufactured unit. Always learning. Please show your chemicals to the camera so I can know what is best to use for this type of work. Thank you!

[@sebastiangawinski9657]

Po ko

[@Kevin09210]

12:32 What a genius way to bleed the master cylinder 😁 no need to bleed on a bench vise.

[@MuhammadAli-wk8wx]

Your work is professional. Great, see you in other videos I love repairing mechanical problems

[@kelon32]

Yay! More crusty jeep parts. XJs are really good for those.

[@paulresca6681]

Another well documented impressive rebuild. Thanks

[@garymucher4082]

Absolutely perfect rebuilding project. Very nice indeed. Thumbs Up!

[@MetalRestorationBho]

Great my friend! This is a masterpiece. Congratulation from Vietnam.😉👍🍺

[@joereese9473]

I was on Nam in 68

[@FixedByDuncan]

Very satisfying. Great work! 👍🏻

[@AronRubin]

You might consider using a 3d printing pen instead of pellets so you can form a screwdriver slot or wings to help with removal.

[@timehunter9467]

I would never have thought of that!

[@theezeelife292]

That's a great idea. Thank you.

[@AronRubin]

I should mention that I get them for < $20. Try to find a 12v unit instead of a 5v usb one. Remember to retract when not extruding to avoid forming a clot in the pen. Not all filament is made equal.

[@chomski1985]

Great job …i really admire (appriciate) your work and your videos …keep up 👍🏻👍🏻👌👌

[@angelo4445]

excellent work! you could have bathed the yellowed plastic reservoir tank in a hydrogen peroxide solution and left under UV light to restore that brand new white plastic look.

[@ChipChannelRestorations]

Nicely Done!

[@adriananoelle4699]

Simply AMAZING!

[@Bdady74]

Another great video! Thanks for posting.

[@fergavilan132]

Good job, a really good job. Something that called my attention was that you didn't open and closed the purge valve everytime you pressed the brake pedal to bleed air, but I didn't notice any brake fluid regression either so as it was much easier.

[@swat1229]

So long as the end of the hose is submerged in fluid there is enough flow to flush the system that way. Anytime I don't have someone with me I use that trick.

[@rogervcp]

Well done man! The best i've seen.

[@myrestorations]

Great result 👏 👍

[@David-yh5po]

Thanks for sharing this video with us.

[@ddssdickday]

You are incredible. Great videos.

[@piotrtoyospec1074]

It's absolute pleasure to watch your work. If I could leave one tiny advice it will be the way I like my copper pipes to look, I always put shrink tube over them to get black look but if you prefer copper finish that also ok, well done!!

[@eryanseunarine686]

Great work

[@Basslicks82]

Hey man, I love watching your videos. So satisfying seeing the end result. Can you make a video or give us some information on the solvents, paints, primers, and sealers you use? I watched your video on the steering gearbox resto the other day (very helpful, thank you) and I was curious what you were brushing on some of the metals after media blasting...I'm assuming is was primer but it almost looked like linseed oil.

[@markroth9827]

Nice job. Thank you for your video.

[@jlr0799]

nicely done!

[@reagankisoka7730]

Je suis tellement heureuse, merci

[@suzuki230]

Lol the question mark on the clutch pedal. Nice.

[@2jimszrnorth802]

Great video! I just got done replacing ALL the brake lines on my 2003 Silverado 2500HD. Being in the rust belt, I went with the Dorman stainless steel kit.

[@RestorationStation]

Kits are super nice since everything is already bent for you. I'll probably do that from now on

[@2jimszrnorth802]

@@RestorationStation Yeah it was 180 bucks for 7 lines. It had factory bends that I had to unbend to straighten them out. They had stickers on them on where to bend.

[@skillsvision4798]

Great Work

[@jimmyanthony6557]

Quick trick - you can mound the plastic up and press a socket on it. Forms a mold and you can easily unscrew it later when you want to remove it

[@TheKillerMarine]

What is that stuff called?

[@Shadow082098]

@@TheKillerMarine They're thermoplastic beads

[@Spelter]

You can also use gravity to bleed the system, pressure with the open system only leads to your master cylinder, to reach positions, it should not reach and you could destroy your freshly rebuild part. Just put 4 bottles on the bleeder screws, above them, like hanging from the struts, open them and fill the reservoir up. Gravity pushes air out and you don't have to put the master cylinder in any danger. I know the old ways worked, but people had no ABS back then.

[@greentriumph1643]

Yes. I did this when I had trouble bleeding the master cylinder on my motorcycle. Bungee corded to handle open and the next morning it was bled.

[@shqipvideolojra4249]

Clean job respect

[@lactomao]

So nice, thanks

[@lp-fluzaotf]

Excellent job. Congratulation. Luiz Paulo - Rio de Janeiro - Brasil. 👍👍👏🙌

[@brianelkins1954]

Very nice video, thank you! What were the pellets you used?

[@user-fu9vj9ix3g]

Gotta 95 Grand Cherokee. Same part. Excellent video. No "Hi, Guys. Here's my dog...." Just the facts. Sub'd.👍

[@yacinerekibti7999]

Good job

[@user-wb3lp6yv4v]

Хорошая работа молодец 👍👍👍

[@richardschneider4775]

Great idea to purge the brake lines with clear tubing. did you pre fill the new brake lines ? Like to see old made new again with smart hands,.

[@josemartin4592]

Muy buen trabajo FELICITACIONES

[@technicalwork7567]

ماشاءاللہ۔ماں کی دعا جنت کی ہوا 🤲 آج کی ویڈیو بہت اچھی آللہ تعالٰی آپ کو زندگی میں اور ذیار کامیابی عطا فرمائے آمین۔☺ "کانوں میں ناچتی تھی کسی بانسری کی لہر آنچل میں بھر کے لائے تھے ہم چاندنی کی لہر"

[@Ezekielchar]

Those videos are awesome. But what amazes me the most is the quality of the sound! What mic do you use?

[@pavloschatziergatis9464]

Very good!

[@gavintoye2200]

i just started a restoration on my dads 1999 jeep xj 2 door.thanks for the inspiration!!!

[@RestorationStation]

Awesome! 2 door 1999 is pretty rare

[@gavintoye2200]

@@RestorationStation yeah you rarely see them anymore

[@gavintoye2200]

@@RestorationStation and what is the adhisive type thing you used to seal off the master cylinder while sand blasting

[@MarkMeadows90]

Another job well done. I know this is saying a bit much, but I wonder if you could've retro-brighted the master cylinder reservoir with a 12% hydrogen peroxide solution and let it sit in a container under LED UV lights for a couple days to make the reservoir a more clearer color. Ah well, can't satisfy everyone lol

[@jalechavez6042]

Excelente...Muy Bien my Friend...Saludosss

[@brodybud]

i love the xj restore videos lol

[@user-eg5zo5vd7b]

Nice job! I have same in my Audi 100 '88 You inspires me to rebuild :) Greetings from Ukraine!

[@jumpinjojo]

12:41 Now that’s hysterical!!

[@danielheinsbergen3571]

Dammit, I got anti-seize on my fingers just from watching this video!! Great work!

[@gasgiant7122]

Great video's, what are the plastic pellets that you use?

[@randymarkley5634]

Excellent video. Please tell me you didn’t bend those tubes without filling them with something?

[@ROADKILL4147]

just saw this and nice job :)

[@Urapnes75]

Metal Restoration - could you please tell me what your sandblasting setup is for the larger outdoor items? Specifically, what you used when you did the Dana 30?

[@johnwalsh6844]

I believe I learned how to do that in automotive shop in high school. In 1979.

[@EricHartung2]

The Meow coffee cup threw me for a loop.

[@beb38138]

Throw that reservoir in a bath of peroxide and supply uv light on it. It will make the plastics look white again. No more yellow. 👌

[@trex117427]

Didnt happen if there were no curse words. (Great job!)

[@rbyaldrzee6657]

beatiful 👍

[@carrestore]

nice video

[@josephsparks5770]

Fantastic, but as I am really green to this, what did you use to clean, water, brake fluid, what chemicals are safe to do what. What was the plastic you used called so I can look it up. Was the tubing stainless? Just details I can't get from just watching, so I can go further. (I have a clutch master and slave cylinder, and calipers to do) Thanks for posting!!!!!

[@constable9793]

Looks good, that brake fluid will eventually eat that paint off that master cylinder tho.

[@theezeelife292]

Great job. I'll be doing a lot of the things you're doing to my trail rig in the near future. Thank you for giving me a guide. The only thing I'll do different is to use hydrogen peroxide and UV lights to get the reservoir back to its original translucent white. No real reason other than for it to look pretty...for a little while at least.

[@JoshuaQuintanapr]

I was going to say the same thing. Hydrogen Peroxide will really bring back that plastic to almost new again

[@williamrogers.]

Looks great but does it stop?

[@Redx_One_X]

Nice

[@garyjones2582]

Very nice work.. What was the stuff that u were sealing up all the holes before sand blasting... Turned out beautiful...

[@michaelskinner896]

Those are plastic pellets that you warm with hot water to make them malleable. You can then push it into your desired place and it will then harden as it cools. I got mine off of Amazon.

[@garyjones2582]

@@michaelskinner896 ok.. thx.. m.cyl turned out beautiful..

[@eliecermora7648]

Muy pero muy bien 😃

[@jigmecanicafacil]

Qual é esse lubrificante utilizado na montagem ? 🇧🇷🇧🇷🇧🇷

[@wnlny233]

声音图像俱佳，美的享受！

[@agustinacosta1231]

i like you job, is very dificut a lo carlito teve, abrazo !

[@wilcleno1866]

In most states copper is a big no no for break lines, only steel is allowed.

[@luisperez-dv8dj]

im still amazed just need to know where are you at located im in elsa tx, dam im in need of things

[@bradleycrouch8512]

What cleaner did you use for the inside of the resevoir?

[@user-tv7em7wt3w]

انت تستحق كل الشكر عمل رائع جدا

[@ezequielsilva2709]

Muito bom

[@pattygq]

What paint did you use that it was impervious to brake fluid?

[@laebdangrs4274]

Waooooooow niec work 👍🏾👍🏾👍🏾

[@nrconnor60]

MORE XJ STUFF

[@jhonatanenrique9395]

Esta bueno el vide

[@user-pn4gt2ws4t]

I like this chanel

[@user-qd7ok7fu7i]

Делал тоже самое как то раз,в процесс не углублялся только сальники поменял и вуаля. Течь перестало.

[@gavintoye2200]

can you please put more tips in these it would be nice. Thanks:)

[@hubertx8222]

Why You add (?) sign on clutch pedal. Btw - nice restoration.

[@Zubardun]

Ive read that proportional control valve should be bleeded tooo .

[@gobagamy5]

Waoooooooow niec wark friend 👍🏾👍🏾👍🏾

[@pjm8047]

This guy never talks. $60 new on rock auto.

[@progsam]

Please do repair for the servo too

[@wileycoyotesr8623]

Everyone else probably already knows this but kind of grease did you apply to the bolts when remounting the master cylinder to the firewall? I like your video's. I learn from them.

[@brantonbush]

Anti seize.

[@Gerald-dg6lr]

Die Vergilbung vom Ausgleichsbehälter hätte man noch entfernen können, damit er wieder schön Weiß ist und ausschaut wie Neu

[@patsematary]

if you had bought 1 liter of ethanol liquor grade, filled the void brake fluid tank and wait for 2 days, opened the brake caps as in normal air purge process then pounding on the brake pedal you would have cleaned 90 % of whole circuit before disassembling any piece of the pump/master cylinder

[@DavidPlass]

"Those plastic pellets are a pain to remove" - can you just reheat them to soften them up?

[@bhinisahu2887]

Oil is leaking from master cylinder in my car. What can I do?

[@frankstall1347]

Need this kit . Have a link?

[@ShainAndrews]

4:35 Not familiar with your channel so you have probably covered it before. What was the "plastic"? Could come in handy for some of the stuff I do. I use ear plugs or cork right now.

[@augustm.moschera8646]

yeah! I have the same question, That's why I was scanning the comments, i've never seen those pellets before.

[@user-nr9sl2qq1d]

👍👍👍