How a bad brake cam can affect your brake wear

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How a bad brake cam can affect your brake wear! We suggest all owner operator and trucker to learn about your rig, it will help you to be successful in your trucking business! #brakes #brake #brakecam #brakeshoe #slideadjuster
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Опубликовано:

7 июл 2024

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Комментарии : 93

@yortchylanissancita3583 Год назад

Thanks Ryan !

@user-lf7en6rf8m 8 месяцев назад

Ryan, thank you, im getting involved in mobile repair work here in Arizona, love your experience and expertise

@LuisGonzalez-uf4sl Год назад

Thanks for the tip dude minute 4.46 some guy changes the s cams and bushings on front axle of my truck put the left one on right and right on left and after that all other mechanics where i went couldn't find out what was the problem. now I fix them my self thanks to you 👍

@1970SS Месяц назад

Thank you for the free information brother!

@JuanTorres-mc1dy Год назад

Great Video!!

@troyjarm7901 2 года назад

If you want a very easy way to remember which S-cam goes on which side... Put the S by your family jewels and which one would drop into the S... yeah, I know it's prolly not RU-vid appropriate but you'll never forget!

@davidmorris3680 Год назад

That is badass sir! I’m looking at a left side right now haha

@cryshanesk8ntunes144 Год назад

Unless your brake pots are mounted on top of your axle, I believe it’s opposite

@helloneighbor11 3 месяца назад

That's my favorite way.

@justinscott6516 10 месяцев назад

I like how you speak, it's easy to listen, I'm a simple person

@truckingandfixing 10 месяцев назад

Love to hear that 👍

@davidrosenberg353 2 года назад

good info thanks have a safe move I saw the short too fast and it was over have fun.Thanks, Ryan. Dave

@truckingandfixing 2 года назад

Thank you Dave!

@dlamontw Год назад

Great video

@Welkome.Alienz 11 месяцев назад

Awesome tips🎉

@truckingandfixing 11 месяцев назад

Thanks

@bob75819 4 месяца назад

excellent explainations. no bullshit and very thorough

@johnysilver1853 2 года назад

Thank you. Very useful! I need video about how to replace brake shoes on semi truck. Let me know if you have it

@Steve.191 Год назад

Thanks 👍

@truckingandfixing Год назад

You are welcome

@edbailey5000 2 года назад

Good content. Few people understand this. !

@truckingandfixing 2 года назад

Hope it helps people a little!

@terryb5000 2 года назад

Thanks for all updates , not that I would work on mind, but it lets me watch out for things like that 👍

@elishasakala500 7 месяцев назад

Nice one I like

@gavnonadoroge3092 2 года назад

thank you

@truckingandfixing 2 года назад

You are welcome!

@efraimfiguron2791 5 месяцев назад

Watching here from phillipines ❤

@Full-Throttle99 Год назад

If you take the s-cam tube off you will have enough room to slide the s-cam past the hub

@ghostownbullies 2 года назад

Good Video

@truckingandfixing 2 года назад

Thank you!

@theobserver6639 Год назад

You an anchor pins are probably worn out with that much cam play good video

@jerseycowboy1 2 дня назад

I wish I lived close to you, I wo7ld give you my business.

@chriswoodward5368 2 года назад

Let me help you understand this better and explain it better I hope. The bottom brake is worn because the brake shoes is not being held in the Center of the drum. It is down in the drum. It is not being held in the Center of the drum as the cam and cam bushing is worn simple. Cam and camshaft are some of the most overlooked brake parts on a brake job. Good cams and bushings can extend the brake life as much as 60%. Brake cam seem to last longer on trucks than trailers as they grease more often. Always use metal bushings when you can get them the plastic stuff is junk. By the best brake material you can don’t by buy price the parts are cheep it the down time labour that is expensive get good brakes There kits you can get to put cam tubes on trailers that don’t have them from factory. Cam tubes are way better than cheep open cams. A good brake job done properly on a trailer running the Rocky Mountain should last 250,000 to 300,000 miles that is 2. 1/2 to 3 years. That has been are fleet experience. When we do a brake job we change everything brakes drums hardware it cheaper in the long run we have the states to prove it. All the best.

@codwaw4733 Год назад

Today I found a s-cam that wasn't greased properly. It didn't purge on the brakes but it did take way too much grease so I knew something was wrong. It had been running dry for a while and was really worn out and rusted

@oldschoolsteve5116 2 года назад

I’ve always wondered how to check the S cams

@truckingandfixing 2 года назад

Does it help?

@oldschoolsteve5116 2 года назад

@@truckingandfixing absolutely!

@sturgelltruckingllc4074 2 года назад

How funny I just sent Ryan a text yesterday to schedule me in for all new breaks and shocks, I know he's got the new shop to set up but don't let him forget I'm ready when he's ready Sophia

@truckingandfixing 2 года назад

I reminded him again after seeing your comment! 👌

@sturgelltruckingllc4074 2 года назад

@@truckingandfixing thank you, no rush sometimes it takes a day or 2 for him to get back to me so it's all goid...

@peterlopez5435 Год назад

I got an issue that when i adjust my slack adjuster and press on the brakes, the slack adjuster goes completely loose. I replaced brake chamber, brake shoes, and slack adjuster and it still does it. Would it be the s-cam that needs replacing?

@kristoffMR 2 года назад

What about slack adjusters are those left and right as well?

@truckingandfixing 2 года назад

Some are left and right, and some are universal. Just be careful when you take them off, make sure to take pictures.

@KIKIREZI 2 года назад

Do you have any video on how to brake chambers for air leaks and service & park brake valves?

@helloneighbor11 3 месяца назад

Wheel chocks so truck can't roll ( don't skip this step) air both tanks to max pressure then release parking brake. Then with a tool or an assistant apply the brake pedal. Then go listen for leaks. You can also bring a spray bottle full of soap and spray hoses valves chambers and like four bubbles .

@mikemccrea1935 2 месяца назад

If your kit comes with one brass, and one nylon bushing, which goes where?

@JagdeepSingh-wv1ry 3 месяца назад

When my truck’s brakes get wet they just stop working. Only one works out of 4 on drives. I don’t what’s going on.

@kbranchjr 2 года назад

can u do or explain a disk conversion from S cam drums and is it feasible…

@mgventure1 Год назад

There is no conversion to date for drum brake to disc brake conversions.

@Joseph-ux8xg 2 года назад

Thank ya brudda!!!!! Engine question 🙋🏽‍♂️, how do you feel about pro stars with Cummins engine? I hear everyone saying stay away from pro star!

@truckingandfixing 2 года назад

Short answer is staying away from international trucks. I am planning to make a video about this topic where I can share more of my thoughts. Meanwhile, feel free to check out the engine video I made that touched on this topic a little. ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-e0TrWJdaZvY.html

@Joseph-ux8xg 2 года назад

@@truckingandfixing gotcha!!

@Joseph-ux8xg 2 года назад

@@truckingandfixing i watched this one. It was the reason I was looking at Cummins💪🏾

@lyndleshelby6291 2 года назад

Is it possible that the s-cam shaft bushings would be the only part you would have to replace? Or should the shaft always be replaced when new bushings go in? Great information in your video! Thanks!

@mgventure1 Год назад

It depends on how worn the camshaft is. If you have more than 0.20 (Bendix/ Spicer brakes) vertical lift movement you are beyond their spec. tolerance. You need to make it less than 0.10. If you can do it with just bushings that's great. The Meritor vertical lift spec tolerance is 0.30.

@anthonyjennings8108 4 месяца назад

Would this cause slack adjstr to keep backung off

@helloneighbor11 3 месяца назад

That's almost definitely your slack adjuster

@SLINKYs_Mama 2 года назад

It would be helpful to know the "symptoms" when you do these videos. For example, would there be noise or movement that the driver would hear or feel prior to the brakes/chamber getting to this condition?

@Sbowling1979 2 года назад

He said the shoes will wear uneven

@SLINKYs_Mama 2 года назад

@@Sbowling1979 yes, but is it something that you feel while you're driving or is there a specific sound that the driver may hear? I am not mechanically inclined and I have to depend on professionals to let me know what to look for and it would help to know noises or activities related to the specific problem.

@mgventure1 Год назад

If a driver is driving probably not. If listening at the wheel when there is a brake application you may hear the slapping of the worn camshaft if it is really worn such as the one in this video. Acceptable wear for vertical lift on a camshaft is less than 0.20 on a Bendix Spicer and less than 0.30 on a Meritor/Rockwell. The industry says that if vertical lift is at 0.10 that movement needs to be addressed with either new camshaft bushings or camshafts or both.

@ohiopipper3956 Год назад

When you are under the truck or trailer and air supplied. Push up on the s cam shaft between the wheel and slack adjuster. Do this before putting grease in. Putting grease in will tighten it up and make it snug. I check brake lining and signs of oil or grease and push up on the shaft then I adjust brakes then disconnect air supply and grease. Also I connect emergency and service air supply and check my brake chambers for air leaks.

@SLINKYs_Mama Год назад

Thank you for all the helpful information 🤠

@Vincejg84 3 месяца назад

Hey Ryan, I’m having an issue now where I have to adjust my brakes every other day never ran into this issue before, is the a slack adjuster issue or an S cam issue or a combination of both? Thanks in advance

@JagdeepSingh-wv1ry 3 месяца назад

Slack adjuster

@donavonbain4332 9 месяцев назад

Hope youre still around! Having problem getting a Volvo tractor rear brake to release. Everyone just says beat on the drum!🤪 Its got shields hiding the shoes. And ive let some pressure off of the cam switch... per a mechanic i know, whos busy hauling grain. Ima farmer btw. Not working. Are there other reasons a wheel wont turn beside a locked brake? Im hoping not bad bearing in wheel! Guessing ill have to make 100% sure brake is releasing. Idk, sorry im all over the place. But its my dad's operation, and i feel like beating that drum is beating a dead horse! He also says hit wheel rim... everyone ive seen says hit drum. Is that good or not? All seems bad imo!😅 im denting rim! So pretty sure Ive got the force! Just seems something else amiss here. Would appreciate advice! Ssl!

@donavonbain4332 9 месяцев назад

You're still around, posted 7days ago. But idk if you see old video comments

@tbonepatti 2 года назад

DO you mean 20 min. longer per s cam ?

@caseydale4731 Год назад

I had this problem a few months ago. My symptom was grease came out inside the drum when the seal on the S cam failed. Driving threw the grease out inside the wheel. Looked like a wheel seal leak on the inside of the tire except it was grease. Also I had the irregular shoe wear he spoke of. The braking power decrease is only slightly noticeable at first. There was no smoking or squealing on my Pete. Perhaps the excess movement could also cause a slack adjuster to fail prematurely.

@JagdeepSingh-wv1ry 3 месяца назад

Did you have any wheel not locking issue too cuz i’m having that issue. I replaced my brake shoes and drums, I didn’t notice any major difference in the brake power and also noticed that during wet conditions, my wheels don’t lock when braking.

@caseydale4731 3 месяца назад

@JagdeepSingh-wv1ry I'm not sure I clearly understand your question. You should have ABS on whatever it is you're driving. "Locking up" is an undesirable thing because it will flat spot tires. I never want my slacks adjusted so tight they lock up during service. Only when parked. Slacks adjust about 1/2 round backed off with full air psi when you do it. Anyway, maybe the quick air release feature on ABS valve might under your 5th wheel might be worth an inspection. Also if your slacks are bad they will not hold adjustment properly.

@JagdeepSingh-wv1ry 3 месяца назад

@@caseydale4731 I meant to say that in wet conditions my 3 drive axle brakes barely works. One works fine. The wheels should lock in order for abs to work. But I noticed that only one tire locks which does not have abs sensor. I don’t understand what is causing this. Under normal conditions brakes on all four wheels work fine.

@caseydale4731 3 месяца назад

@@JagdeepSingh-wv1ry when you are parked with the brakes set, how long is the pushrod from the brake chamber to the slack adjuster? More like 2 inches or 5?

@caseydale4731 3 месяца назад

@@JagdeepSingh-wv1ry my concern is that you have bad slack adjusters. If you have 3 bad ones then it would be difficult to stop. Rain naturally makes stopping more difficult because less traction. How good are your tires?

@erwincorado6457 2 года назад

Good info man where are you located at

@truckingandfixing 2 года назад

We are located in Canton Ohio

@erwincorado6457 2 года назад

Ryan great videos man I been learning a lot from you but I will like you to look my truck 2013 FREIGHLINER cascadia wit a Cummins isx

@erwincorado6457 2 года назад

How do I find you

@joeanderson9852 2 месяца назад

👍👍

@Nowhere788 Год назад

Pay now.. pay later..!!! Cha-ching.$$$. Quality parts yipp.👍

@larryt7001 2 года назад

Just look at the direction the piggy back will turn. If it turns right then the cam should be positioned with the openings of the S cam to the left. You see whe the arms are reaching. Simple

@andrewnorris1514 2 года назад

I got 2,700,000 on the original s cabs. Grease. Grease Grease

@youtubeisawesome2487 2 года назад

you need to go to a good brake school/class before you start spouting stuff on the internet, worn scam and bushing cause push rod travel, the bottom shoe being worn down is from the spring being over stretched when installed and dragging on the drum, the wheel locking up has a flat spot on the roller, left and right scams only count when the brake chamber is on the front of the load housing or axle housing on trailers, each truck manufacture has a bit different max movement. volvo has max at .46, you can do a bendix online class at home on your computer.