08-06-2015, 12:54 AM | #1 |
Pebble Pounder Join Date: Jun 2014 Location: MA
Posts: 152
| Front Axle shaft play
Building up wraith spawn kit front axle with vanquish stage 1 c-hubs and knuckles. I notice that the axle shaft can be pushed in/out about 1mm on both sides. A wheel installed on this would shift in/out when steering. I could use a spacer between the outer bearing and the wheel hex but i was not expecting to have to shim out these high quality pieces. what am i missing?
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08-06-2015, 05:14 AM | #2 |
I joined the Band! Join Date: Dec 2014 Location: Earth
Posts: 1,188
| Re: Front Axle shaft play
Yes, spacers and/or shims will be fine, but don't over do it. You want it nearly free of end-play with the bearings/axles rolling freely. If it's exactly 1.0mm of play (for example), then 0.9mm shim or spacer would be about perfect.
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08-06-2015, 10:37 AM | #3 | |
Pebble Pounder Join Date: Jun 2014 Location: MA
Posts: 152
| Re: Front Axle shaft play Quote:
Yea that is pretty much where I landed for now. Used spacers and there is much less play and the axles roll smooth. Mostly I am curious if anyone else has the same setup/problem. Anyone? | |
08-06-2015, 10:44 AM | #4 |
Pebble Pounder Join Date: Jun 2014 Location: MA
Posts: 152
| Re: Front Axle shaft play
Out In Shimmed (wrong! put the shim on the inside of the knuckle) Last edited by professorcake; 08-06-2015 at 11:42 AM. |
08-06-2015, 11:04 AM | #5 |
I joined the Band! Join Date: Dec 2014 Location: Earth
Posts: 1,188
| Re: Front Axle shaft play
I had roughly the same amount end play on the front and rear of my Wraith. It's set-up for 4WS and all the parts are stock Axial except the STRC steering linkage and front universals. Can't remember how many 5x7 shims I used on all four wheels, but I probably need to stock back up on them.
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08-06-2015, 11:13 AM | #6 | |
Pebble Pounder Join Date: Jun 2014 Location: MA
Posts: 152
| Re: Front Axle shaft play Quote:
I just moved the spacers to the inside of the knuckles and I like it a lot better. The axle shafts are now shimmed slightly inward (like middle pic above) instead of slightly outward. This way the axle is pushed further into the locker for a bit more contact. Last edited by professorcake; 08-06-2015 at 11:15 AM. | |
08-06-2015, 11:18 AM | #7 |
Pebble Pounder Join Date: Jun 2014 Location: MA
Posts: 152
| Re: Front Axle shaft play
Additional question about the axles. Which way should the link/shock mounts face? The manual seems to show them with the longer side up, but i think most people are running them with the longer side down. I have them with the longer side up right now. Last edited by professorcake; 08-06-2015 at 11:20 AM. |
08-06-2015, 11:32 AM | #8 |
Pebble Pounder Join Date: Jun 2014 Location: MA
Posts: 152
| Re: Front Axle shaft play
looks like i answered my own question, stock the mounts have the long side up as pictured. flip them to achieve a lower ride height i guess.
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08-06-2015, 11:36 AM | #9 |
RCC Addict Join Date: Aug 2013 Location: Missoula
Posts: 1,346
| Re: Front Axle shaft play
Long side down for lower ride height. Shim the inside or outside in order to align the u joint and "king pin." Forcing the joint to bend at a point other than the steering axis will cause stress. Or, let them have some play and find that perfect alignment on their own. |
08-06-2015, 11:41 AM | #10 | |
Pebble Pounder Join Date: Jun 2014 Location: MA
Posts: 152
| Re: Front Axle shaft play Quote:
Did not even think about alignment of the u-joint and king pin, thank you for this comment. Coincidentally the way I have the shim set up now, on the inside of the knuckle, has perfect alignment. | |
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