How to Replace the motor in an Arrma Senton 4x4 

Glad I could help you out Myles, and thanks for watching!

Thanks for the sub! I really appreciate your supportive feedback!

Same here

Yup. Was a great video. Appreciated the part about finding the play in the gear and motor just right

Glad i could help! and hey, we all start somewhere, so don't be discouraged. This hobby is a ton of fun!

Thank you! Welcome to the fun!

Much appreciated! Stay tuned for more tips in the future!

Thank you, I certainly will!

What motor did u go with

@@51-FS Armma mega 12t brushed. It's the stock motor that it originally came with. Next time it needs replacing I think I'm going to upgrade to a brushless as well as up grade the batteries to 3s.

Oh yeah definitely worth it. I got the 85 amp set up. 3s and it's a blast. Tomorrow I'm getting the 130amp 4s set up and put the 85amp set up on my granite

U know u can run a 2s lipo with the set up u got now?

I'm currently running the 2s. Not allot of hours or charges into them though and will use them after the motor upgrade. When the time comes I may go to 3s.

What kind of paper ?notebook or yellow note ?

@@danielcarl219 I usually use printing paper

After having worked on many Arrma 4x4s, I have to say you almost need to be trying in order to actually break something. Very tough RC and they are not difficult to work on when you do need to.

@@fullandtenth6405 ok cool thanks for the info, look like a fun Rc, I currently have the rustler, two slash, three ecx ruckus and the ecx amp monster truck

I honestly did not run it much with the replacement motor so no, though I do realize that was a mistake. I ended up going with brushless after a while, and I did use thread locker on that pinion

@@fullandtenth6405 thanks for the reply. I just did this replacement yesterday and didn't thread lock it, we'll see how long it lasts.

@@ryankelso3545 never use thread locker on the pinon never just don't ever .. it's so tiny if you use thread locker it will strip next time you try to break it lose

the first time you hit reverse it's the brake. 2nd time is actually reverse. At least that's how my son's Arrma Granite is.

it could be a number of things like controller settings i.e. throttle trim, esc calibration or unfortunately manufacturing defect. best thing i can reccomend is if a hobby shop near you has experience with RC cars, try taking the car in have them look at it, they may be abe to help you diagnose the issue and fix it.

Upgrading your battery to a 2s will actually gain you a bit of acceleration, and if you go with one of the 5000 mah batteries you will get more run time as well. I made a video about installing Pro-Line tires, and I would certainly recommend either the trenchers or badlands from them. here is a link to the video: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-_XoVVAPegGw.html And as far as the motor goes, Spektrum now makes a 3s setup you can get for a hundred bucks! well worth it. here is a link to that: www.spektrumrc.com/Products/Default.aspx?ProdID=SPMXSEMC01

@@fullandtenth6405 thank you

If the battery you got has the IC5 connector you will need the adapter to run the battery as the vehicle has an IC3 connector out of the box

4:30

what I used is an alan wrench that came with the vehicle. I believe it was a 1.5mm, though I cant remember the size for certain.

At my local hobby shop, a brand new 12 turn motor from Arrma costs 22 dollars. The cheapest brushless setup I can buy from the same place would cost me about 100 dollars. Amazon.com does have some motor and esc combos for as low as 30 dollars, however (and I am willing to be proven wrong) I highly doubt that these would compare to even the cheap setup at the hobby shop. Based on my experience, these cheap brushless motor and esc combos are not very durable, difficult to setup, and less powerful and efficient than the name brands that cost more. So to answer your question, a brushed motor replacement is still cheaper, and it is easier than converting to brushless. The extra speed from a good brushless setup is nice though, so I see where you're coming from.

Agreed! I opted for an RC specific toolkit that my local hobby shop had, but the reasoning is the same, makes the job much easier!

The symptoms for my bad motor was as follows: turn remote and car battery on and they wouldn't beep telling me they were synced up. But I could steer the car no problem. I could hold down the trigger and nothing would happen. While holding the trigger, I used my other hand to spin the drive shaft and suddenly the motor would spring to life and tires spin for a few seconds(watch you don't get your fingers pinched). Replaced the motor and all fixed and WOW is the car a lot faster and smoother than I remember.