I wiped out the ring and pinion over the weekend on the rear axle. The pinion seemed to be shimmed right, but I noticed the axle shafts have some play. Does anyone shim the axle shafts? There was a washer/shim on each axle I just didn’t know if the play should be taken out of those too.
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Axle shimming question
- Thread starter Spudd74
- Start date
The newer trucks are supposedly shimmed from the factory. Some people are finding the shims to be in the wrong place though. But, yes, you should shim these and most other axles if you are worried about munching gears. Lower quality gears like RC4WD's get munched faster and more often than hardened gears.
Natedog
I wanna be Dave
X2, but most importantly is shimming diffs properly. The axle shafts don’t affect diff shimming. I used a single traxxas dark grey fibre washer as Traxxas calls them, between axle housing and hex pins on rear axle to reduce in n out play. Don’t recall if front axle needs that or not. 
What brand of gears would you recommend?
You don't have many options in RC4WD axles. I believe RC4WD has a hardened helical set for these axles, but I'm not positive.
I saw the helical ones on their website, but it said out of stock. Thanks I’ll keep checking.
Natedog
I wanna be Dave
Correct. I saw another cheaper helical set on ebay but it says for the K44 axles which iirc is larger ring gear and quality is unknown.
Yes, everywhere but Amazon is currently out of stock so I paid too much for a set to replace the dying stock (non-helical) gears in my TF2 front axle. :ror:
TheLetterJ
RCC Addict
Heck, I just ordered a complete Yota2 axle because RC4WD (and everyone else) was out of stock on bare housings. I figure I just paid $35 for spare... everything else.
I did have to shim both pinions, even though they had some shims in place from the factory. The carrier/spool also required shims to take up all the side to side slop, of course I didn't have enough on hand to get both axles done. The rear axles have a ton of in/out play too, probably wouldn't hurt a thing (hey, just like c-clip axles on a real car!) but I just put a 5mm i.d. washer from the hardware store behind each drive pin, and called it good enough.
I did have to shim both pinions, even though they had some shims in place from the factory. The carrier/spool also required shims to take up all the side to side slop, of course I didn't have enough on hand to get both axles done. The rear axles have a ton of in/out play too, probably wouldn't hurt a thing (hey, just like c-clip axles on a real car!) but I just put a 5mm i.d. washer from the hardware store behind each drive pin, and called it good enough.
