Arrma Kraton clicking noise, sheered teeth - Are EXB diffs better than V4? Compatibility addressed

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[@rcpd3157]

Great video. Great info!

[@Funcentric]

Before I watched your video I had just turned the wheels individually and inspected the input gear to see if it would rotate like it should. In areas where it would skip, that’s where I identified the problem end.

[@Streetgaming662]

Me up late hours watching this from a rookie perspective just made me realize I made a rookie mistake by cogging my infraction v2 😂 thank man! I been up all night trying to figure out why my infraction want move at all. I ran a 25t on stock motor and esc. Booom this is my problem. Thanks a lot bro

[@PhillyDee215]

Now I know what to listen for👍

[@chowettgoes]

Super, super helpful. After weeks of trying to diagnose clicked, guess what... input gear! I got there really by taking out centre drive shaft, first back then front and it told me it was the rear dif. Your videos are gold. Thanks 🙏

[@EastTactics]

That’s music to my ears! Thanks for sharing

[@ParcoUpchurch]

@@EastTactics Hey my friend....is the rear bumper a RPM bumper? I heard people using a RPM front bumper on the rear of a Talion EXB RTR. On the Kraton EXB, what rear bumper or part number is that Sir? Thx

[@EastTactics]

Yes… it is the Rpm front bumper. 👍💪

[@Funcentric]

Thanks that was quite educational.

[@nunnas5393]

My EXB was cogging with no motor in it, as bad as yours is, after investigating why this was, the diffs are assembled backwards due to the angle cut gears, if you flip the ring gear to the other side, change the motor direction, it becomes super smooth, I have a 1650kv and now get no cogging, 4 battery packs later still going good

[@BrianExline99]

love your videos, hate the music. very distracting from what is otherwise a first class, informative video

[@EastTactics]

Noted, I do think the volume was a bit too high on the music. I do you like to have music in the background of my videos. But yeah you’re right I feel like this one probably should’ve been about 10% lower. Thanks for the heads up

[@ELValenin]

@@EastTactics yeah please lower it. I'd say by 30%

[@EastTactics]

Thx El, I’ll keep that in mind for future vids :-)

[@EastTactics]

😝

[@paulrakis]

It's also can be the differential case or bulkhead. Sometimes the plastics wear out and the bulkheads are not old me the same some could have different measurements and then you need to shime shime shime the rear and front diffs. I just put a new bulkhead on my Kraton EXB 6S and still does clicking because of the irregularities of production for these bulkheads. Sucks

[@paulnorton7444]

Thanks that video was very helpful thankyou👍

[@X-KroLL]

The issue seems to be that the rear is not LS, when the diff was designed to be. Their change in plates to keep it open just isn't working for some reason. Making the rear LS as well sounds like the solution.

[@blacksheeprc8113]

Thanks again

[@eddieroadrunner6691]

I had a arma Kraton exb rear diff went on it sent it back got a refund arma just seem to not have a clue on making diffs

[@thatmarred_mustang]

Your ignorance is showing. The literal founder of the company came out and apologized and said the second batch of exb's would be revised and quality control would be upped. They said it was a miscommunication on acceptable tolerances from the factory.

[@thestoryiheard]

Thanks!

[@m0c1n89]

Mostly important to check bearing on diff because the bearing start moving to weak quickly without oil become hot make sure have WD-40 on it or oil.

[@NeighberhoodRC]

My notorious 6s v5 blx not poppin willies no more is it cause of this I do here a click sound seems likes it’s in front and back diffs

[@johnlujan8706]

I appreciate your helpful information. I'm having a clicking noise on my Stampede 4 vxl. Now I know how to find where it's coming from. Thanks and subscribed.

[@EastTactics]

Did it turn out being one of your spiral input gears? If not, let me know and we can figure it out.

[@johnlujan8706]

@@EastTactics I appreciate you following up on this but, I haven't even checked it out yet. It's good to know that you're willing to help me out with this. I have never even messed with different at this point. Today is my Monday at work. Thanks again and I'll let you know ok,? Thanks. Gotta go back from lunch now.

[@paulrakis]

great video brother. thats great to know about cogging never knew that. My EXB havent used it yet but my rear diff was very tight when i got it all had 3 shims top and bottem very smooth emtyed the cup and filled her with 10k also added 1 shim behind both sun gears just so it wont be too loose. do i need play from left to right when holding the diff? right now has very little or no play but spins very smooth. hopeing it wont be a issue when i run her this sunday. i know they do need alittle play between the gears when they get hot metal expands a little inside the diffs. all others have play which you can feel just not the rear diff.

[@EastTactics]

Ya, those rear diffs on the EXB have been quite the conversation since it came out. You definitely want to make sure she's shimmed up correctly, and nice and tight, but smooth.. As far as when holding the diff in your hand, and sort of grabbing it by both ends and and feeling for left and right play. Its possible one or both sides could have a tiny bit of play. From what I understand, you don't want that, or you want it to be very very little side to side movement. then, after you've placed the diff into the vehicle, as you know, you'll want to shim the outside (left) of the diff, so that there is no side to side movement in the bulk head housing. Have you installed a wheelie bar? I would highly recommend one. What a lot of people dont realize is they do more than just protect your wing from getting scratched up (from wheelies), but they also just protect your wing mounts system as a whole as well. let me know how your Sunday BASH goes brother!!

[@paulrakis]

@@EastTactics yes I'm actually getting my Kool ebay chinese wheelie bar tomorrow is that nice one with red wheels and spring actually designed to fit on the EXB rear shock tower. Thanks for the great information. Yeh mine is tight might have alittle movement but I don't feel. Gears inside spin very smooth so should be fine. Yes I did shim left side or diff cup. 👍 I saw that British guys video for making a bullet proof EXB diff. Mine is probably 2nd batch so they made a small change in the spacing I guess. Yeh brother I'll keep you posted for Sunday made a small video as well. Be safe

[@GAMEBANGINGMEDIA]

Just happened to me!!! Man this is annoying I just upgraded my 6s to a 1717 1650kv combo by castle and literally I'm trying to swap my front differential now. Good video bro!!

[@EastTactics]

Thx!!

[@All-rc804]

Very helpfull. Thanks👍

[@EastTactics]

Anytime! Thx for watching.

[@troyflanagan4237]

My gears are stripped at the back of my Truck on my 4s kraton mah5000 Batterys 1s a 50c the other 1 is a 100c both are 14.8 2400kv Motor my Question to you is should i get Aluminum or metal gears I'm a Newbie to the New Advanced rc scene my name is Troy Flanagan plus my Slipper clutch comes loose alot for $900 Dollars vechile is kinda odd these things are happening in Canada Dollars plus i bought the Truck back in may in Shop right now as i write u this whats ur advice mine does not go in Reserve because of gear plastic 1s East Tactics

[@jordannovek2911]

Im sill a beginner pretty much so I have a diff question . The grease I put in the diff case was leaking around the bearing area or I think its called the out drive . It was red grease so it was easy to see. Would that be caused by putting too much ( I put alot) or a diff case problem ? Thx

[@EastTactics]

Prob just put to much in there. For sure inspect tho to make sure there are no cracks, and that the upper section of the diff housing is seated all the down. Also the 4 screws coming up from the bottom are tight.

[@drog343]

Well I can say from personal experience, that what ever the manufacturing process is for the Arrma gears in the diffs, especially the spiral cut ones, is imperfections left between gear teeth. amongst all my vehicles (v3 and v4 parts, over time I've swapped v4 parts into my v2 Kraton), I've caught it in 3 separate diffs (2 rears, and a front), had something like a burr or something, with the thing open, I slowly spun the thing by hand, and would see the ring gear and output gear try to push apart, and every single time I'd see this separation happen, upon closer inspection I'd find a lump or something between the teeth, that I'd have to file or cut away (and then the mesh would be smooth in that area). I guess if these gears were machined, that might not be a problem anymore.

[@EastTactics]

Yeah one of the downsides that you get from the manufacture, their operations are so big that they cut corners in order to move product. That’s why it’s always nice when they’re such a strong outcropping of third-party vendors making upgradable parts. I know GPM makes equality set of hardened steel gears if you ever want to get something different then arrma brand.

[@robfonad1688]

Any idea why my centre gears don’t move when I rotate my wheels, I also have a very loud crack when I accelerate, I have been through all three diffs too and tbh it all looks fine to me nothing is broken. Thanks

[@EastTactics]

Sounds like a bearing in your motor went out. Remove the motor, remove both caps secured to its ends, and inspect those bearings. Hopefully the motor is ok, Most people have the best luck finding the right bearings they need on eBay. Let me know if that is actually the issue. 👍

[@HardcoreRC]

Nice video - yes the EXB diffs do fit but as you say you need to put the whole diiff and main gear in plus the input gear, i would recommend not going with any LSD effect in the rear - either go with 3 start plates each side or the new large shim that's about the be released and keep the rear diff open, or you may blow the rear diff. You do still need to add at least one shim to the outside bearing on the main gear side to push the main gear onto the input gear more

[@HardcoreRC]

Also its probably cheaper to buy the complete diff, housing and input gear from somewhere like Jennys RC - the guys the break the cards and sell the parts

[@EastTactics]

Yeah I checked Jennys RC lately and he’s completely out of stock. Maybe things will get better though

[@HardcoreRC]

@@EastTactics With the Mojave EXB just released they may get some of those in the break

[@X-KroLL]

Can you upgrade one diff at a time to EXB, or is that a gearing issue?

[@HardcoreRC]

@@X-KroLL You can upgrade one diff at a time, but remember you need the input gear as well

[@MuscleAKAOzzy]

Another tactical video keep them coming bro ! I was thinking of swapping out for complete exb diffs ...as is the v4 diffs are doing a better job for the moment 😅

[@armandopace6113]

Hi mate v5 model differential are harder steel than v4.

[@aguirrediego2]

People have been telling me that those proline trenchers could cause gears to break due to the weight of them and the grip they have on non off-road surfaces. I just bought them for my V5 kraton too

[@EastTactics]

They definitely are heavier, and ask a bit more of your motor and ESC. Watch this video to get some interesting details in regards to not only understanding your gears and motor relationship with your tires. But some interesting details about using silicon earplugs in your center differential kzbin.info/www/bejne/qWWQg52qhtiAqbc

[@aguirrediego2]

@@EastTactics will do I appreciate any info

[@aguirrediego2]

What weight front and rear dif oil and brand do you recommend since I’m running the same tires ?

[@srwilliams1963]

Cool video

[@EastTactics]

Thanks!

[@victormontgomery7047]

I see them silicone ear plugs to lock your differentials

[@ValFPV]

That happened to me twice, (although I did add additional shims on the ring gear side) but both gears were already so worn that I just ran it with the clicking noise until the gears completely failed as I would've needed to replace both anyways.

[@EastTactics]

Ya, gotta make sure those things are shimmed, at the minimum it adds to longevity. I think mine stripped out because I tossed some bigger tires and and she didnt like it. I plan to install silicon earplugs in the center to minimize front end ballooning and hopefully tone down the pressure on that input gear too. Thanks for watching my vids.

[@ValFPV]

@@EastTactics where do you want to put earplugs into?? The inner differential right? If you put it into the inner diff it's basically like really thick diff oil so I wouldnt think stress on the outer gears would change much? Putting it on the outside gears wouldn't make any sense to me at all since that would make the car slower and put a lot of stress into the center diff.

[@EastTactics]

Whoops I miss spoke above, I’m not going to put ear plugs in the front. I plan to put earplugs in the center. Silicon earplugs is basically just one step below locking up your differential. So there’s a little bit of give. I’m not too worried about the impact it’s going to have on my drive train or my outdrives. But there definitely will be an added level of impact on them. So I’ll have to monitor them I guess. But most people who put silicon earplugs in their center differential seem to really like it. And I haven’t really heard anything about it adding undue wear on other components of the vehicle. We’ll see

[@ValFPV]

@@EastTactics well there seems to be more long term wear on driveshafts for me since I've switched from 50k to 200k in the center diff. Also I think it's going to actually put more stress on the outer diff ring gears since on a landing on 2 wheels with some throttle it will now be even more stress just on the front or back, instead of getting diffed out to the other side a bit.

[@EastTactics]

You make a good point, I’ll jump away from the silicone earplugs in the center if I find that it’s Causing more harm than good. At the very least I’ll be a guinea pig for everybody else so that I can relay. LOL

[@teds4165]

👍

[@MannyGunzz]

I'm new.. Kinda but can u help me out.. my senton made a clicking noise then got worse to were it is front wheel drive now?? U think my rear diff or clutch?? Thank you...

[@EastTactics]

Could be either or both, get in there and take a closer look. Take and do that a little test I suggest in this video to see exactly where it’s at. Getting in there and taking it apart

[@MannyGunzz]

Thanks a million ,I watched your video a couple times and yes it was diff gears... Input gear war round lol...I just subbed.. Again thanks!!

[@EastTactics]

Anytime brother… thx for the sub🔥👍🔥

[@daleknight8971]

Can a weird crazy prety hard impact do that ?like hitting a hidden stump. It was a dead center hit on front diff. I have the arma typhon upgraded. Thanks man.

[@EastTactics]

So you’re getting a clicking noise now? It is possible that are super hard impact at the same time those gears are spinning and then coming to an immediate stop could chip tooth

[@daleknight8971]

@@EastTactics thanks .im sure that's the case now. I'll do that inspection you showed again and be very meticulous. Yeah it was an instant dead stop. Now can I do the fix myself.how hard is it?

[@EastTactics]

Well if A close inspection you can narrow it down to which differential has the issue. It’s not too difficult to pull it out. Simply remove the sway bar, and there are four bolts holding onthe differential cover. If you head over to my channel homepage and look up my playlist. I have a playlist dedicated to differential maintenance. Let me know if you find everything you

[@cadetkonki2687]

Hello! I have an MST drift rc car with a rebuilt limited slip differential, I have 2 main issues: The car has a clicking noise in sync with the spur gear, however all things point to the noise being inside the diff housing. On high traction surfaces, if i hold the car back, and spin the wheels, about half the time, the motor and spur gear move, but my wheels have extremely low rotational input, or just dont spin at all. Unfortunately my father was the one who swapped my rear end, so I have no clue what I am doing back there. If you could just give any insight on what this might be, that would be much appreciated!

[@EastTactics]

Is the clicking noise a constant thing? Always there no matter what… when the gears are spinning? If so, he might have the mesh too tight. As far as not getting direct power to your tires when holding the vehicle, are you noticing that the power is not presenting itself to one or other of the front or rear? Meaning is one of the two tires (whether talking about the front or the rear) spinning at full, while the other isn’t? If that’s the case, this is pretty typical of limited slip differential‘s. So unless I’m misunderstanding what you’re saying, you might just have a mesh issue.

[@cadetkonki2687]

@@EastTactics the clicking noise like I said is in sync with the spur gear, and it only happens when the wheels have weight on them and have power inputted to them. When i stand the car and do the same, no clicking is present. About the wheel rotation, (2WD drift car) it’s somewhat random, sometimes both will be fine, sometimes only 1 spins, as the diff should allow sometimes, but, other times, the motor and spur spin and both back wheels do not. I have not been running the car recently as I am afraid of grinding my gears down smooth.

[@EastTactics]

That sounds like you have s specific spot worn down on likely your spiral input gear, maybe both the input gear and the main crown gear. When lined up, you get nothing. Your best best is to take the opportunity to open her up and familiarize yourself with everything. I think you’ll find some worn teeth, like your saying.

[@cadetkonki2687]

@@EastTactics Sounds like a plan then, thank you for the insight! Absolutely nothing on google helped me, and not being the one who put it together, I was kind of leary just to hop in there. More comfortable now at least knowing that I have to anyway.

[@junebug3058]

We’re did you get your fan from?

[@EastTactics]

Scroll down till you see the DIY high powered fan project link easttactics.com/shop/

[@srtallday3655]

Can I run the kraton exb diff on the typhon 6s v5?

[@EastTactics]

Yes, you just need to replace the entire assembly including the spiral input gear.

[@NeighberhoodRC]

You put shims behind that lil pinion gear ⚙️???

[@EastTactics]

You mean behind the spiral input gear. Yeah one shim.

[@NeighberhoodRC]

@@EastTactics the shim that come with the car that’s for the diff can it fit there to or it’s a different shim size ?

[@EastTactics]

It’s a different shim size I think there’s either a link to it in the description. Or a link to my storefront where if you scroll through the armma, Kraton category you should find it.

[@meanf1502]

But at least it's not a mystery click like the xmaxx I sold mine an bought a k8 an now I have exb outcast traxxas is going down hill they raised the price of the xmaxx for 1000 now price increase an still Noone has it in stock arrma all the way or losi

[@Thisfoowould]

Will the exb fit the v5 kraton?

[@EastTactics]

if you are referring to the differential, Yes, but you need to change the spiral input gear to the EXB spiral input gear. And you must swap in the entire assembly. You cannot fit the internals inside of each other. They are different.

[@kevinorozco8044]

My front tell wheels won’t spin at all and they are stuck what can be the issue

[@EastTactics]

What vehicle are you running? Are they seized up? Or are they just not getting power? Have you inspected the condition of your front differential?

[@kevinorozco8044]

@@EastTactics i did it’s an arrma granite it makes a whining noise as if the spur where to be shredded but it isn’t and th diff has plastic sheads the diff looked good I also feel as if the front doesn’t get as much power

[@EastTactics]

Sounds like your center diff might be blown. This issue has to be somewhere in the drivetrain. You spur gear might be ok... but your input greats might be shredded.

[@Radars4sale]

Too Many adds.

[@EastTactics]

KZbin automatically puts them in, however I can go in and modify it. I’ll take a look.