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Thread: shocks became very sticky after oil change

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Old 03-28-2018, 09:39 PM   #1
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Default shocks became very sticky after oil change

So I recently changed the stock oil out in my trx4 to Team losi 10wt and I have noticed the shocks have no become very sticky. Is it maybe swelling the o rings up and traxxas doesn't use sythetic compatible o rings??
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Old 03-28-2018, 09:58 PM   #2
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Default Re: shocks became very sticky after oil change

Probably the o-rings are swollen. Try loosening the bottom cap a quarter turn.
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Old 03-29-2018, 02:19 AM   #3
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Default Re: shocks became very sticky after oil change

As i rebuilded mine i found that the spacer is about 1/10 to 2/10 mm to big. So i didn't fully tiden the caps so they run smooth. Need some x-rings to replace the spacer.



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Old 03-29-2018, 07:44 AM   #4
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Default Re: shocks became very sticky after oil change

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Originally Posted by magic_yeti View Post
As i rebuilded mine i found that the spacer is about 1/10 to 2/10 mm to big. So i didn't fully tiden the caps so they run smooth. Need some x-rings to replace the spacer.



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I found the same issue. I had some thinner spacers from other shock kits and installed them to free up the sticky operation. Or you can carefully sand the stock spacers to make them a little thinner.
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Old 03-29-2018, 07:56 AM   #5
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Default Re: shocks became very sticky after oil change

It would be odd to have swollen o-rings with synethic shock oil. I assume this is what Traxxas is using from the factory. I'd disassemble them to ensure they are assembled correctly. Also use Noleen SF3 (AKA Team Associated Green Slime) on the o-rings.
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Old 03-29-2018, 01:36 PM   #6
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Default Re: shocks became very sticky after oil change

With alloy shock bodies you can find that the plastic plungers wear unevenly. So once you rebuild the plunger is in a different postion and the shock movement stiffens. If this is the case you can rotate the shaft to try and find the sweet spot or replace the plunger. :-) This happens less often with vertical shocks like the trx4 but more common with shocks that are angled.

Also if you over tighten the nut it can distort the plunger.
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Old 03-29-2018, 04:21 PM   #7
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Default Re: shocks became very sticky after oil change

I suspect the O-ring retainer is just screwed down too tight. Back the cap off 1/4 turn which should free up the shaft.
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Old 03-29-2018, 04:32 PM   #8
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Default Re: shocks became very sticky after oil change

In an older thread there were a few solutions to this Has anyone rebuilt their shocks yet?
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Old 03-29-2018, 09:05 PM   #9
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Default Re: shocks became very sticky after oil change

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Originally Posted by Inspector86 View Post
I suspect the O-ring retainer is just screwed down too tight. Back the cap off 1/4 turn which should free up the shaft.
Deja vu!
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