How To Machine Brake Drums -EricTheCarGuy

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EricTheCarGuy

EricTheCarGuy

Күн бұрын

Пікірлер: 329
@ovrlxnd
@ovrlxnd 9 жыл бұрын
I have to say: it's so much fun watching a professional perform his trade. It says a lot when you can make the most basic of machining look interesting. This is a great channel!
@gabriellord7556
@gabriellord7556 7 жыл бұрын
I'm sorry, but that wrench flip was the coolest thing I have ever seen in any of your vids.
@thomascunningham5483
@thomascunningham5483 2 жыл бұрын
I agree! See it at 7:40.
@grapowski
@grapowski 9 жыл бұрын
Hi +EricTheCarGuy! I'm from Brazil, and machining rotors and drums are really popular around here. Your videos on this subject are really interesting for me, I learned a lot after seeing you machine brake stuff. Also, I think that's a way to help and protect the environment, only discarding when you really have to. Thank you!
@348frank348
@348frank348 8 жыл бұрын
fast forward to 7:41 for badass tool flip
@JamesAutoDude
@JamesAutoDude 9 жыл бұрын
thanks so much. I'm learning how to do this at my job right now, and you helped me understand it a lot better then anyone else who's shown me.
@ericthecarguy
@ericthecarguy 9 жыл бұрын
+James Erikson Out of all the BS hate comments that have been directed at me over this video, this one wipes them all out. Finally, the intent of the video has been realized. You just made my day. Thanks.
@JamesAutoDude
@JamesAutoDude 9 жыл бұрын
+EricTheCarGuy no problem sir. they are just jealous that they can't be like you. I watch every video you upload, simply to keep my mind learning and active in automotive. almost everything I do these days, has a part of your methods and direction. and I wouldn't know what else to do if it weren't for you. this video is amazingly done and, I don't know why anyone would talk badly about it/toward you, unless they were jealous and/or didn't know what you're doing and wished they did.
@JamesAutoDude
@JamesAutoDude 9 жыл бұрын
+EricTheCarGuy but no, thank you, for this very informative video that HAS taught me some very important points that even people doing it in my job for 20+ years didn't show me.
@AnonyMous-pk1vy
@AnonyMous-pk1vy 9 жыл бұрын
+EricTheCarGuy i will say some of the comments were hateful but a lot of your viewers were genuinely concerned for you. No one wants to see you hurt Eric.
@ajuthomas
@ajuthomas 9 жыл бұрын
+EricTheCarGuy I just subscribed to your channel. Thanks to your upload, I will be doing a complete driver side CV shaft replacement on my Civic soon. I already ordered the parts. I just need some free time and good weather to do the job.
@slomotrainwreck
@slomotrainwreck 9 жыл бұрын
In this day and age the mantra seems to be "sue first, ask questions later", good job on the re-edit, thumbs up!
@jgreg1661
@jgreg1661 5 жыл бұрын
This is for machinists and drivers who need options to repair their rotors. Great educational video, i did this in high school in the Caribbean.
@bstraub95
@bstraub95 9 жыл бұрын
I think its awesome how they still teach this in schools. I'm a auto tech in college.
@Tedowski
@Tedowski 9 жыл бұрын
It really is a lost art. Like you said, most people just replace the parts rather than repairing what is already there. Genuine replacement parts can get expensive, so it is nice to be able to offer options to people.
@socaliguy81
@socaliguy81 9 жыл бұрын
Love the humility and expertise. They are a rare combination. Keep up the great videos, and let me know if you ever want an Audio/Video and mobile electronics "sidekick"!
@zoroluva
@zoroluva 9 жыл бұрын
Hi Eric! Great video as usual. Quick safety tip: try and avoid wearing gloves when working around open spinning shafts like lathes. About 2yrs ago we had a tool and die guy at my job get his glove grabbed by a spinning lathe which ended up sucking his entire hand in. He had his fingers pulled out from his knuckle...ugly scene my friend. Apparently it would have been only a cut/bruise had he his gloves off. Be safe and stay dirty.
@samuellindstrom2137
@samuellindstrom2137 9 жыл бұрын
Some brake lathes are also capable to machine your rotors while they're on the car, that's good when the car can have little imperfections like crooked hubs wich will give awat vibrations when driving. I didn't think it would be so fun the first time i used one at work.
@TRX450RVlogger
@TRX450RVlogger 9 жыл бұрын
+Samuel Lindström I machined a Flywheel one time while it was on a car, I left it on the Vehicle and held a File against it when the engine was runny haha Stupid but HEY it worked!
@samuellindstrom2137
@samuellindstrom2137 9 жыл бұрын
+TRX Vlogger haha, would've never thought of that
@TRX450RVlogger
@TRX450RVlogger 9 жыл бұрын
lol. It was scary that's for sure. One wrong move and you loose a finger.
@samuellindstrom2137
@samuellindstrom2137 9 жыл бұрын
+TRX Vlogger did it all work out then? did the flywheel come out good?
@TRX450RVlogger
@TRX450RVlogger 9 жыл бұрын
Yes actually it cam out really good. it almost looked like it was Turned on a Lathe. Only down fall was it didn't have the Circular motions of Cutting like a Lathe will do. But works out great and still no issue 6 months later today/
@SuperDave21
@SuperDave21 9 жыл бұрын
Repeat Eric... I watched it again, that's how entertaining you actually are...!
@shadymaint1
@shadymaint1 2 жыл бұрын
It's been almost 20 years since I've operated a brake lathe. Used to use one daily. Always just replace drums and rotors anymore.
@markdonlevey4330
@markdonlevey4330 6 жыл бұрын
"E" Great video, You be right about cost effectiveness regarding buy new or resurface, I can't find anyone who even wants to resurface drums or rotors any more. As you said, hard to find or obsolete parts knowledge of the old ways always best to have. Thanks for keeping up on the videos, All the best.
@Cbodygarage
@Cbodygarage 6 жыл бұрын
Hi Eric. Great videos. I have learned a great deal over the years. I have a 67 Chrysler 300 with Front Drums. Are they able to turn these drums without having to remove the wheel hub. That hub has been on the drum for probably 50 years.
@klfer
@klfer 9 жыл бұрын
Back in the day I used a wet rag but I fold it up and go below the cutting head, now i have a sink by the lathe with a spray nozzle to rinse rotors and drums off. The arbor speed seems to fast, but if it doesn't chatter I guess its fine. Try machining a truck rotor 12 inches or bigger I'm curious to see how it cuts it. I have a Hunter BL505 and you can change the arbor speed.
@mibars
@mibars 9 жыл бұрын
Everyone is talking about "rag scene". I believe that it was about using that pink rag to clean the drum while machine was spinnig, am I right?
@carlosb1
@carlosb1 6 жыл бұрын
I remember using the lathe when I was in my Automotive Tech classes back in 2002 , ah fun times! Also, squeaky noise like this is normal it has to do with the way the pads and rotors wear out. They create a pattern of normal wear , so when you back up the pads and rotors turn to the opposite pattern of wear creating the sound. Of course im talking when you only hear this sound while backing up.
@adithmart
@adithmart 9 жыл бұрын
I was going to rip on you, but for the tool that you have, you did very, very well. Angle and depths of cut along with rpm and feed make her cut well. Nice job.
@adithmart
@adithmart 9 жыл бұрын
+adithmart How do we bed in the brakes?
@erkintop6341
@erkintop6341 6 жыл бұрын
For squeaks. We use comet sink cleaner in the drum when we put it back together.
@spetro3387
@spetro3387 9 жыл бұрын
I think that was a good call to take the rag scene out. That had the potential for big disaster and was an unnecessarily unsafe way to do a simple thing.
@ikbendusan
@ikbendusan 9 жыл бұрын
scene
@spetro3387
@spetro3387 9 жыл бұрын
Dušan Pešić Thanks.
@galaxie500xl7
@galaxie500xl7 9 жыл бұрын
+jhebe v You sound like that guy I saw here on YT who kept slamming into the glass in the high rise building he worked in. He did it just to scare people. Just because he thought the glass wouldn't break. It wasn't suppose too. But one day he slammed into it and fell, I believe it was 9 stories to his death. Much like Eric sticking his hand inside the drum while it's spinning. It might not get you for a while. But somewhere along the way, it does. And you wind up with something broken or at worst, Completly detached.
@Bobman84
@Bobman84 9 жыл бұрын
+jhebe v That's true. Too much cotton wool in society these days and because of all these over-safe scaredy cats, we continue to breed idiots who would have otherwise died out in natural selection. Hence why there are so many problems in society.
@KingNast
@KingNast 9 жыл бұрын
+GALAXIE 500XL and he has over half a million subscribers. With that many people, there's a good chance a few would screw this up and get wrapped around the lathe
@spkay31
@spkay31 7 жыл бұрын
Nice job. Humorous at the end noting to check whether the front or back brakes are the culprit! :-)
@crapper1
@crapper1 9 жыл бұрын
eric normally i love the video and everything in it but there is a reason you got the flack cause we dont want to see ya hurt but seems like a cool device to have just be careful
@abyssalsoul6216
@abyssalsoul6216 3 жыл бұрын
While the machine is doing a final cut would a continuous sounding scraping sound be indicative of a uniform diameter drum. The reason I am asking is that I recently had a drum cut and I could hear the scraping sounding on and off as if the cutting edge was cutting and not cutting. The tech said that was final and yes the surface did look "clean" all around but when I put the drums on the vehicle I still experienced a brake judder at high speeds
@MommytoConnor09
@MommytoConnor09 2 жыл бұрын
I’m getting my drums turned this Saturday due to noise they inspected and confirmed already mine can be machined got to love it lol
@robertgary3561
@robertgary3561 9 жыл бұрын
Why did you originally attempt the job without resurfacing the drum? I've done that a couple times in the past and they've always made noise. You need a smooth surface without ridges for the new shoes otherwise they'll ride on the high spots and vibrate causing noise.
@KodiBrehdon
@KodiBrehdon 9 жыл бұрын
Eric, it seems like a lot of bad dust comes out by using this machine. I guess it's not very healthy to breath. Some kind of air pumb would be helpful while machinering. What do you think?
@gentilejoshsaved1646
@gentilejoshsaved1646 6 жыл бұрын
Why are the cutter axis and drum axis not parallel? I know you are doing it right I just can't get my mind around it. If gutter is on angle it seems it would taper drum service.
@corvairkid17
@corvairkid17 3 жыл бұрын
Hey, I saw wheel weights on a drum backing plate, and wondered if this was some old/new school sound deadening?
@Sazonman
@Sazonman 6 жыл бұрын
I always change my break pads, disc and drums instead of having them machine cut even prior to the break noise, but good job Eric.
@quakelegion
@quakelegion 9 жыл бұрын
I am curious Eric, did you put a light coating of grease on the rises of the back plate? Metal on metal contact there will definitely squeak. It's only a matter of time until the paint coating on the table lining on any new shoes will wear down and ride against the metal on the backing plate rises again.
@MrJKCampione
@MrJKCampione 9 жыл бұрын
I'm willing to bet this re-upload has little to do with the commentors. Eric has gotten lots of negative comments on other vids and never re-edited them. This is more like the situation with the car lift, when he used the bungee cord to bypass the safety lock and the manufacturer that gave the machine to him made him change it (he has never used that bypass trick in any video since then either, despite him saying that he did it on a daily basis when he worked at the dealership). So I'm willing to bet that Ranger products either scolded him for doing that, or he was afraid they would. Have to be careful when you are so heavily subsidized by sponsors.
@TheSavageGarage
@TheSavageGarage 9 жыл бұрын
I reckon you are spot on!
@psp10004
@psp10004 9 жыл бұрын
+Medicman He did what? Holy shit. I've seen multiple lifts fail due to worn hydraulic lines, and when it goes, the thing goes down fast. Safety lock was literally the only thing stopping the car from killing the mechanic. (Thank jebus the coat that one mechanic used to hang from the safety lock lever wasn't heavy enough to disengage the lock) I cannot understand what goes through someone's mind when they decide to ignore safety just to be lazy. It sickens me. No wonder companies spends millions to educate their staff on safety and implement sometimes ridiculous rules, just because workers can be absolute idiots when it comes to their own well being.
@TheSavageGarage
@TheSavageGarage 9 жыл бұрын
+LTA agree 100% you can never be too safe.
@damirrorlink
@damirrorlink 9 жыл бұрын
+Medicman Yea when I was watching I was honestly hoping there weren't any small burrs or anything for the rag to catch on cause they could have literally been his hand.
@lilmanjeeps
@lilmanjeeps 9 жыл бұрын
Seems like it could use a vacuum of some sort by the cutting head to suck up the metal shavings. Otherwise, a very neat machine to have in the arsenal!
@wintermachine
@wintermachine Жыл бұрын
Nice video! I'm looking to buy a machine for rotors and drums. Are you able to turn the magnet surface on a trailer drum? It looks to me like it would be possible with this machine.
@timerickson2141
@timerickson2141 6 жыл бұрын
Leaving the wear spot in the drum accelerates wear in drum and brake shoes because it becomes a collection pocket for dust and dirt. The dust actually cuts up drums and rotors fast. A tip is with drum brakes Before installing the shoe on the car take your freshly machined or new drums lay them flat inside up. Place the brake shoes inside the drum like they will be on the car. With your thumb at the center of the shoe press the shoe against the drum look for a gap at the top and bottom of the shoe between the drum and shoe look for a gap in the center if both ends of the shoe are touching but the center isn't you are looking for 100% contact between the drum and shoe. If it's not you will have speaking and uneven braking. To fix a gap at the brake shoes ends. Stand the brake shoes on the cement shop floor so the crown of the shoe faces up. Take a no Mar hammer and hit the shoe on the crown with the hammer It doesn't take much to arch the shoe check for fit in the drum and repeat as needed. For a gap in the center of the brake shoe hold the shoe on the floor with one end of the shoe facing up and strike the end of the shoe with the hammer again it doesn't take a hard hit medium strike . Then check for fit. This is something a brake guy taught me before he retired 40+ years ago. I never ever have had a brake job come back for squeaks or uneven braking since I began fitting she's to drums. Now once a year tell your customer to bring the car back and you pull the drums take a water hose and spray the dust and dirt off the shoes and backing plates and out of the drums. You will soon be known as the best brake guy in town. .**** Never rebuild a wheel cylinder always buy new*** It's a liability thing if you rebuild it and it fails you can be sued AND YOUR INSURANCE WONT COVER A REBUILT WHEEL CYLINDER FAILURE. CALIPERS YOU CAN REBUILD BECAUSE THERE IS NO METAL ON METAL CONTACT SO NO BORE WEAR... ALSO NEVER REBUILD A MASTER CYLINDER FOR THE SAME REASON
@Texas12valve
@Texas12valve Жыл бұрын
Came to say this about the wear spot. Nice tip, tbough!
@atraxr603
@atraxr603 9 жыл бұрын
Very nice lathe bud. Very useful tool. So that belt around it is basically to kill the resonance while you're cutting?
@phiksit
@phiksit 2 жыл бұрын
Correct
@blackenigma1054
@blackenigma1054 4 жыл бұрын
Eric did you go back and do the front rotors too? Or did you just replace the rotors and drums
@danielanderson1668
@danielanderson1668 9 жыл бұрын
love the videos Eric. Gotta ask you to please don't wear gloves around the lathe. All it takes is one or two loose strings from the tip of the glove to get caught in the spindle or the feed screw. Please be safe and keep them coming.
@MidnightDriver5000
@MidnightDriver5000 8 жыл бұрын
I learned how to do this in school and you are right know one does I anymore.
@WAVETUBE84
@WAVETUBE84 9 жыл бұрын
If it is the rear drums, you can go "over" a little bit, if bullets are flying, or it is your own car. If it is a customer's car or you are carrying kids in a hilly area, you can't. As long as the brake shoes and mechanism can spread out far enough. Even if in "spec": Removing material from the drum/rotor reduces the overall braking "capacity".
@Candisa
@Candisa 9 жыл бұрын
Hi Eric, Machining parts is indeed a lost art, it's all replace and throw away now and many garages don't even have the equipment anymore. I have 2 questions: 1. After a few sets of brake pads, rotors can become very groovy while still in spec and silent. Would you recommend machining them, or prefer to keep the material on them as long as they're silent and deal with slightly faster wearing pads? 2. I am thinking of replacing my stationwagon with a small van, but most of them come with drum brakes in the back. I only had 1 car with drums in the back and it was a small cheap light car. I wonder if this is a cost over safety thing, or if drum brakes are actually just as good (/better) as simple non-ventilated disks in the back? greetings from Belgium, Isabelle
@ateazy12
@ateazy12 9 жыл бұрын
Eric should have 1 million subs
@spelunkerd
@spelunkerd 9 жыл бұрын
It was a fun video to watch, thanks for posting. For some reason I thought the technician would drip oil onto the cutting edge to prevent it from overheating.
@TomekBlacksMyth
@TomekBlacksMyth 9 жыл бұрын
+spelunkerd Cast Iron has enough carbon content that is lubricates itself. You don't use fluids on cast iron when using Tungsten Carbide cutting tips.
@TRX450RVlogger
@TRX450RVlogger 9 жыл бұрын
+Tomek Hermsgavordenbroker Exactly, because Cast Iron is pooris and absorbs Oils and water. That is why it stays wet for so long and if oil hits it it's difficult to clean unless you heat it.
@vedeshsawh
@vedeshsawh 6 жыл бұрын
spelunk
@pjwoo276
@pjwoo276 6 жыл бұрын
@ 3:10 I hear drag. Why do you say that's good. Why allow unnecessary friction causing unnecessary heat build up. Why not back off a hair till no noise? I don't get it. Also, when you sanded the shoe, what grit sandpaper? Did you blow away any possible particles? Also, what if you had to remove .005 too much? Big problem?
@tonguedarts
@tonguedarts 2 жыл бұрын
Excellent video, thanks for posting.
@gnarly0531
@gnarly0531 9 жыл бұрын
7:41 flippin skillage lol. oh and hey Eric not sure if it is bad on the lathe but if you have an old rotor is there any chance you could try to produce the "singing" or "chatter"? as said not sure if it is hard on the lathe or anything but would be a cool demonstration.
@d1lldb
@d1lldb 9 жыл бұрын
cool video... you probably know this but if you're getting any chatter it may help if you use a insert with a smaller radius. Smaller radius = less contact area... causing less deflection on the b.b.
@MrJoey9784
@MrJoey9784 2 жыл бұрын
when you mount the drum, thats a perfect center rate away???
@skylinefever
@skylinefever 5 жыл бұрын
Usually O'reilly Auto Parts machines drums or rotors for $20-$25. They measure your existing drums and rotors before they machine them. They are easy to find in many parts of the USA. That in mind, there are so many high quality brake rotors at a low price, so I just buy those. The amount of time saved by not machining rotors often makes up for the price.
@abyssalsoul6216
@abyssalsoul6216 3 жыл бұрын
I just had a set machined at O'Reilly in NC and it was 21 bucks out the door. I decided to turn the old ones after the new ones ($95) made the vehicle vibrate. There was still a lot of "meat" left on the old one.
@drink15
@drink15 9 жыл бұрын
But how do you brake a machine drum?
@squirrelnut
@squirrelnut 9 жыл бұрын
+drink15 dynamite
@MichelPASTOR
@MichelPASTOR 9 жыл бұрын
+drink15 Yes and I would like to know how to drum a brake machine too
@garysmart1
@garysmart1 9 жыл бұрын
+drink15 right foot my friend right foot
@imgonnagogetthepapersgetth8347
@imgonnagogetthepapersgetth8347 5 жыл бұрын
by giving it to your wife to hold for a minute while you go take a leak real quick.
@RaceLine10
@RaceLine10 9 жыл бұрын
12:35 seems like theres no copper grease on the inside of shoes. that might be the noise!
@garyroy3503
@garyroy3503 5 жыл бұрын
Use Pastelub on metal to metal applications, and Ceramlub on Caliper and Pins www.Pastelube.com and www.Ceramlub.com
@GreyGhost-r4z
@GreyGhost-r4z 6 жыл бұрын
Should Brand New Drums and Rotors be turned ? I just replaced Rotors and brakes up front like 2 months ago and when I depress the brakes, it’s “chuff, chuff, chuff” very lightly as I stop. The pads still have lots of pad left. So I’m thinking I need them turned. They are like brand new aftermarket.
@rrazvanell
@rrazvanell 9 жыл бұрын
Nice machine but i do not like that it does not have a safety for the power button, like you can maybe accidental start the machine when mounting the drum/disc in place. It should have like a cover or something and also an emergency stop button.
@michaelmclernon4929
@michaelmclernon4929 6 жыл бұрын
By the look of it (lightweight parts etc) I think it's a Chinese lathe. It somehow slipped by the approval process, or maybe wasn't checked at all. (Harbor Freight?) I've run into the odd power tool also that doesn't have a safety lockout switch, mostly of the Asian variety, but I agree that lathe should have a Panic Off Button.
@whiplashmachine
@whiplashmachine 5 жыл бұрын
@@michaelmclernon4929 I have used many different brake lathes and yet to see a safety stop on any. I also own one and no such button. I also am a machinist and operete very large machinery and only a few of the machines I run have safety stops since most of them are quite older models. In fact, if one of the machines I run pulled me in, no safety switch helping me anyways since it would happen to fast.
@ricktobin9920
@ricktobin9920 7 жыл бұрын
I'm not trolling but won't that little bit of non contact reduce braking in that wheel and decrease the force on that side of the vehicle causing braking force to be unequal? I'm sure it is better than it was, but wouldn't it be better to just get new drums for a he extra 30 or 40 bucks?
@johnferguson7235
@johnferguson7235 8 жыл бұрын
I have Gremlins creating random squeaks in the brakes on my Volvo. I tried everything that I could think of but the squeaks won't go away. I refuse to buy new calipers to stop a few squeaks when the car stops just fine. Getting rid of all squeaks in an older car gets very expensive beyond a certain point. Machining the rotors and drums is worth a try.
@derpherpp
@derpherpp 9 жыл бұрын
First step: own a couple thousand dollars machinery
@zacharyirving5080
@zacharyirving5080 6 жыл бұрын
Nobody said this was a DIY video.
@killer2600
@killer2600 4 жыл бұрын
Couple? The link lists $6k
@ezrawright4385
@ezrawright4385 3 жыл бұрын
Beg, borrow, steal, or offer sexual favors.
@nategmaycock9398
@nategmaycock9398 Жыл бұрын
If you have a market for the machine ... that money will be made back in a flash ... my local machine shop charges 40 to 80 a pair do the math
@nategmaycock9398
@nategmaycock9398 Жыл бұрын
I want a machine right now
@WCGwkf
@WCGwkf 6 жыл бұрын
Left and right is Z axis and forward and back is X axis. If you turned a mill on its side that's what you get. Also even though you might need to get creative getting your tool inside a drum, tool stick out is a huge factor in chatter. You could do this job on a regular lathe and never need a vibration band, just by making sure your tool isn't too far out and your feeds and speeds are correct.
@mikeandrews6265
@mikeandrews6265 6 жыл бұрын
always use a band
@stigonutube
@stigonutube 9 жыл бұрын
well was good to see da beast doing its job on drums.
@tsw199756
@tsw199756 9 жыл бұрын
Glad you reposted with the unsafe acts cut out. I cringed the other day when I watched the brakekleen and rag inside a moving part. That machine would cut a finger or hand easier than the cast iron rotor.
@DriveBetter
@DriveBetter 9 жыл бұрын
watch the wheels after you torque them down. you spin them to check for being mounted flat to the hub, not to make a cool transition to the next scene...
@stupa55
@stupa55 9 жыл бұрын
I'm glad you cut out the unsafe rag scenes :) thumbs up
@HK0HunterKiller
@HK0HunterKiller 9 жыл бұрын
07:43 Nice moves there, Eric! :)
@andrewcarmichael8683
@andrewcarmichael8683 9 жыл бұрын
Enjoyed this immensely!
@residentevil9894
@residentevil9894 5 жыл бұрын
i saw it a few times but still lost. can you set it up to cut a few thousands of an inch at a time or do you eyeball it and cut very little every time until you get desired measurement?
@joevanvalkenburg
@joevanvalkenburg 9 жыл бұрын
For 32 years I've sanded a nondirctional finish on drums & rotors. The new or old marry to the drum or rotor with less hot spots.
@garyroy3503
@garyroy3503 5 жыл бұрын
Never use the word "non-directional", use that term in a machine shop or professional repair shop and they would throw you out of the building. What is required is a "crosshatch" on the surface of a rotor and the proper way to do it is by using a rotor hone and drill (www.rotorhone.com)
@ServusLibertate
@ServusLibertate 9 жыл бұрын
Thank you for taking the proper action.
@picklerix6162
@picklerix6162 6 жыл бұрын
I stopped getting my old brake drums machined because the auto parts stores charge way too much for the machining service now. You can buy new brake drums online for little bit more money.
@Replevideo
@Replevideo 5 жыл бұрын
If brake shoes squeal, put a chamfer on the leading edge of the friction material with a file, at about 30°. That usually cures it.
@ForensicCats
@ForensicCats 5 жыл бұрын
7:55 I enjoy Eric because he admits to reading / consulting manual and then he appears to do things by the seat of his "behind"! He should have manually turned lathe before turn on and the ''stick-out" of tool cutting edge should be as close as possible to this bar... To avoid chatter and breaking tooling... He even clamped rotor with "no respect"... this guy, one day will do a video on how he lost an eye, a limb or how he died... ? 10:45 all you had to do was mic it and that will tell you if you can take a "hash" (thousandths of an inch)... No guessing or hoping required. For the life of YOU, do NOT stand in front of rotating tooling! If, the drum of the belt fails, you can be killed! Put a poly guard around that tooling, stop being cheap! You get enough youtube money to install a guard! Lastly, you should have replaced shoes, they will apply an uneven wear pattern on drums; they are the exact profile YOU JUST LATHED OUT. Net zero will be this outcome; as soon as pads "recut" the drums... Also, your noise could be the wrong pad matrial for the drums. Put back manufacturer's recommendation unless a service bulletin says otherwise. 16:00 having doubts about it surviving is proof positive you need to learn math; you mic it, then you can deduct what is "fair game" (the rest can stay). Your "hash marks" on lathe are not "guess hashes", they actually are a starting point from you ZEROING the tool. Torque those tire nuts, it is the professional way!
@peterlakers1
@peterlakers1 7 жыл бұрын
how much do you shave off. on any drum, you didn't say how much to take off,,, is it in inches or what????? please give me more detail....or how much you subtract to know how much is your limit.??? thank you..
@jetjazz05
@jetjazz05 9 жыл бұрын
I'm ok with the fact he took the scene about cleaning the inside of the drum with a rag out, but at the same time you have to ask yourself: Is anyone on the internet using a 5,500 machine and doesn't know the proper way to use it? lol. Everyone told me that "Eric is a role model and his videos teach you how to do things right", and while that's true and fine I extremely strongly doubt anyone watching these videos is using it as a purely how to, back yard mechanics don't have brake lathes.
@reverendmouse9222
@reverendmouse9222 6 жыл бұрын
I was gonna say its acctually X and Z axisx being front and back Z being left and right. But i belive thats on a 3 axis. Atleast thats on the Mori Seiki DL-20 and DL-25 CNC lathes i run at work
@danielwilson-rains1807
@danielwilson-rains1807 3 жыл бұрын
is there some reason this can't be done on a lathe?
@ItalianStallion1415
@ItalianStallion1415 9 жыл бұрын
What about the directional finish on the drum?
@pengping-df8km
@pengping-df8km Жыл бұрын
don't you have less braking power if you take off braking surface in the drum? Also, why is the spec only to 8 millimeters for that drum? You can clearly see you have at least an inch of STEEL there. What is the risk of taking off more? Is the structure at risk, ie: will it all apart? Or my assumption this is because the calipers cannot push out far enough for "specification" brake friction.
@amarcynuk8
@amarcynuk8 Жыл бұрын
Drum brakes are self adjusting. As the vehicle is operated the shoes will gradually become adjusted outwards to take up the excess clearances. The reason for the excess metal you noticed is actually for heat dissipation. Brakes on a vehicle function by turning kinetic energy into heat energy. The mass of metal is essentially a big sponge for heat. If the mass is too small the drum will get too hot. Excessive heat lowers the friction coefficient which causes the brakes to function poorly. This is commonly referred to as "brake fade".
@javie4vr
@javie4vr 8 жыл бұрын
EricTheCarGUy: What types of problems (rotors and drums) can occur you take off "too much" (in this case if you were at exactly 255) or 256 maybe 257 for example? Thanks!
@phiksit
@phiksit 2 жыл бұрын
I don't think a few millimeters over would really cause any problems as long as there's a substantial amount of metal still there and nothing is badly corroded.
@Micscience
@Micscience 9 жыл бұрын
Is it me or did ETCG get his shop upgraded? he is living the good life now.
@jesusmoya1575
@jesusmoya1575 8 жыл бұрын
i changed the shoes on my 98 mazda 626. im having the same problem.. my question is can i do it with sand paper if so what grit? thanks
@shodanxx
@shodanxx 9 жыл бұрын
So, what's the old timey way of machining brake drums/disc if you don't have that fancy lathe ? Anyone tried to cobble up a brake lathe out of car parts yet ?
@harindugamlath
@harindugamlath 8 жыл бұрын
Thanks Eric! I have the same problem with my brake drums.
@toddsmith1484
@toddsmith1484 6 жыл бұрын
Moving on up I see.
@built2last31
@built2last31 9 жыл бұрын
looks like he edited the rag scene lol
@TheSavageGarage
@TheSavageGarage 9 жыл бұрын
+Joe Schmoe Yea he got alot of shit for that. For good reason but still.
@TheSavageGarage
@TheSavageGarage 9 жыл бұрын
Because it was dangerous, he stuck a cloth and hand into the drum whilst it was spinning on the lathe
@BikerJim74
@BikerJim74 9 жыл бұрын
+James'sWorld Yeah I figured it out and deleted my comment, sorry.
@lolzlarkin3059
@lolzlarkin3059 9 жыл бұрын
+James'sWorld He is in America. Probably would have got sued when someone ripped their arm off trying to copy Eric and his sketchy as fuck techniques.
@durango562
@durango562 9 жыл бұрын
+lolz larkin only retards who dont know what their doing will get that happen to them. I dont think he would get sued since he isnt responsible to the actions of other ppl.
@mrsemifixit
@mrsemifixit 9 жыл бұрын
So the front brakes were the ones making noise?
@1989xS13xDK
@1989xS13xDK 5 жыл бұрын
Can you machine warped drum brake or just replace them??
@crazyjoe978
@crazyjoe978 9 жыл бұрын
nice wall clock Elvis lives
@MrAnwazi007
@MrAnwazi007 5 жыл бұрын
what about hubbed drums? is there a bearing protector or chip boot (trunk) needed or only recommended?
@peterlakers1
@peterlakers1 7 жыл бұрын
thanks for the information and the link, just bought a measure gage .. you have a lot of good videos..
@brentconklin3173
@brentconklin3173 9 жыл бұрын
What type of roloc pad are you using?
@stevewinter3188
@stevewinter3188 7 жыл бұрын
Can you resurface trailer brake drums that have electric brakes?
@SuperSecretSquirell
@SuperSecretSquirell 9 жыл бұрын
Wish I could work on stuff that had drum brakes that small. The ones we run are 137 pounds each. But I'm so used to it now, it's like nothing.......they make nice finger smashers though lol
@gunhappyie
@gunhappyie 9 жыл бұрын
What speed does the machine run at ? Ive a Lathe and need to resurface subaru disks but theres tons of chatter when I do them.
@ryanblackwell8321
@ryanblackwell8321 6 жыл бұрын
Can you do this on a normal lathe?
@michaelmclernon4929
@michaelmclernon4929 6 жыл бұрын
I'd like to see some proof of how much run out he took out of the drum (or added to it). Where is the dial gauge? Also re mount the drum at 180 degree rotation and re measure. This thing looks too much like a Harbor Freight feel - good toy for my liking.
@petertyrrell6690
@petertyrrell6690 5 жыл бұрын
Nice work, thanks for sharing.
@VENUEATHENS
@VENUEATHENS 3 жыл бұрын
Hi there Eric, I recently installed new ACdelco Druns, however I noticed a vibration when doing above 60mph.. My old drums had weights on them, I'm assuming for balacing, but the new ones do not. in the product description it said they were already balaced, to prevent vibration and noise.. Any suggestions?
@abyssalsoul6216
@abyssalsoul6216 3 жыл бұрын
Hi Tony, I too had this issue and turning the drums solved the high speed vibration with the new drums . I went through 3 sets of drums including an OE set which had balancing weights welded on. I return them all except for the one that produced the least vibration off the bat and that was the one I had machined.The tech says he sees new drums all the time being out of round.
@VENUEATHENS
@VENUEATHENS 3 жыл бұрын
@@abyssalsoul6216 AcDelco rep made fun of me when I called in about this issue, he stated that it was not possible for brake drums to vibrate and that something else is the issue... But common sense would imply, if the issue did not exist, then occurred when the new drums were installed, then went away again once the old pair went back on, would mean something is wrong with the drums.. This went above the AcDelco technicians head, he could not comprehend
@abyssalsoul6216
@abyssalsoul6216 3 жыл бұрын
@@VENUEATHENS The tech at the machine shop has been doing this sort of work for 40 years ! He gets out of round NEW drums all the time. The mistake I made was tossing the old pairs which, come to think of it ,would have been fine. I tend to over maintain so thought new drums after 100k mile were needed. My bad on that one!!
@mattmgarza
@mattmgarza 5 жыл бұрын
That's just brake parts cleaner he's spraying the brakes with, right?
@pointmade6945
@pointmade6945 9 жыл бұрын
I got the same problem with the brake pads on the front they are squealing like crazy , I sand and clean them nothing helps the problem obviously is the friction material on the pads
@wesleyrich2665
@wesleyrich2665 2 ай бұрын
What’s the angle of cut
@MrPami9899
@MrPami9899 9 жыл бұрын
hey eric,i have a 2001 nissan pathfinder it used a lot of fuel it is originally 17mpg 20 mpg highway now im averaging 12 mpg,no cel,the car run great,i don't wanna sell it it has 130000miles
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