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Old 04-27-2011, 01:09 PM   #1
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Default O'donnell big bores

This is probably a dumb question but.. i have a set of big bores for z01 and i thought it might be time to rebuild them so i took them apart and everything and cleaned them all out and noticed that there arent any o rings from what i can see.. i mean they werent leaking or anything but what do i need to rebuild them? Maybe im used to the older shocks and 1/10 scale but are the big bore shock cartridges the only things i need to buy for a rebuild? Sorry im kinda new to 1/8 scale, only had one for about 6 months..

The shock cartridges i found were at amain if that helps any.


Any help is appriciated!
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Old 04-27-2011, 01:20 PM   #2
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At the bottom of the shock body, remove the cap and replace the seals. When I service my shocks, I take my shocks completely apart, inspect the shock shafts, replace all the seals, diaphrams, make sure all the shock lengths are correct. Check out some Youtube Videos on how the Pro's do their rebuilds too.
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Old 04-27-2011, 02:03 PM   #3
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Ive inspected them and everything and looks fine, so pretty much all i need to worry about are those big o'ring seals on the bottom cap?
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Old 04-27-2011, 02:10 PM   #4
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you need to remove the snap ring and replace the o-rings inside the cartridge.
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Old 04-27-2011, 02:11 PM   #5
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there should be 2 o-rings in the bottom inside the cartridge, if you have the 17mm shocks and there should be 1 (if i remember right) for the 13mm. it has a snap ring and "plastic washer" holding them and are separated by an plastic "spacer". do you still have the owners manual? it does a very good job at showing how the shock is put together.
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Old 04-27-2011, 02:15 PM   #6
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Ohhh okay gotcha, i knew i missed something.

Thanks for everyones help!

Last edited by charlesandstuff; 04-27-2011 at 02:33 PM.
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