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DrFrankenDerp's Avatar
"Experienced user"
DrFrankenDerp - 6.10.17, 1:50 am Post #1: | Reply With Quote
Hey guys,
I've got a Slash 4x4 which I ran very hard over the weekend, and it happened to mess up.
While picking the truck up to go wash it out, I noticed that it would not roll. At all. The axles felt completely jammed.

I opened it up (it's sitting disssembled on my desk) and I noticed that the only parts that were jammed were the little stub carrier axles, every single one of them except for the rear left one (Which still moves very roughly).
I tried my best to get to the issue but to no avail. I'm legitimately considering to just buy new ones.

Does anyone know what could have happened? And if it's fixable?
Thanks in advance
"I Believe in speed, power!"
- Jeremy Clarkson
Backyard RC's Avatar
"Experienced user"
Backyard RC - 6.10.17, 10:46 am Post #2: | Reply With Quote
It sounds like the bearings are seized up. They get packed with dirt and stop spinning. You can usually clean the bearing and re-use it if it's not destroyed.

(watch this on YouTube for more options)

Tekno SCT 410.3, Arrma Kraton, Traxxas Slash 4x4, Tacon/LC Racing Rally/SCT/MT x3, Losi Mini 8ight, Carisma M10DB, Axial AX10 Deadbolt, Vaterra Ascender '72 Bronco, Thunder Tiger Kaiser XS, Sky RC SR5 Super Rider
guys2nv's Avatar
"Experienced User"
guys2nv - 6.10.17, 12:38 pm Post #3: | Reply With Quote
Yep, bad bearings. Common issue on the Slash 4x4 given the bearings are really too small for the spot they're in.

I'd just replace them given the condition they sound in and you say you wash the truck off (with water I assume). Spraying water on the truck will eventually allow water to seep in to the bearings and rust them up solid. I feel no need to wash the truck off with water, standing dirt on the arms, chassis etc isn't going to hurt anything.

Probably not a bad idea to just tear the whole truck down and rebuild it, all you need is the right tools, exploded views and a digital caliper to measure the screw lengths.

Bearing kits from Avid and Fast Eddy:



If you don't want to tear the truck down and just replace the frozen bearings then you just need 5x11x4 bearings.


(Last edited by guys2nv : 6.10.17 at 12:51 pm)
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DrJVogel's Avatar
"Obstacle Magnet"
DrJVogel - 6.10.17, 12:45 pm Post #4: | Reply With Quote
I'm too lazy to clean bearings. I just install new. Boca and Avid are great sources for bearings.
RC addict and loving it
somewhere near Grass Valley, CA --- let's bash
Squeegie's Avatar
"Experienced user"
Squeegie - 6.11.17, 5:49 pm Post #5: | Reply With Quote
^^^What the Doctor said!
TRAXXAS: Slash 4x4 Platinum, Mini E-Revo VXL, E-Maxx 3906 Wide Max
TAMIYA: Porsche 956 RM. Mk. 5, Vanessa's Lunch Box (OG), Sand Scorcher (OG)
"inadvertent durability tester"
oldnoob69 - 7.28.17, 4:07 pm Post #6: | Reply With Quote
the great thing about avid is you can build your own bearing kit, put ceramic where you want it, and steel where you don't. their pricing is pretty good as well.
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