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 Post subject: Diff leakage
PostPosted: Thu Sep 08, 2011 4:23 pm 
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Joined: Fri Mar 18, 2005 7:57 pm
Posts: 394
Location: Wellington
I have a slow leak of diff oil on my centre diff - this has happened on my RC8 and an MP777 that I built once before.

Its not much, but enuf to be a little annoying. Is a little leakage normal? Is there any tricks to keeping the oil on the inside?

Thnx
Pete


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 Post subject: Re: Diff leakage
PostPosted: Thu Sep 08, 2011 4:38 pm 
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is in the 1k club
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Location: tawa
new o rings from time to time

ps. thats not oil leaking out, its wheel spin residue :wink:

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 Post subject: Re: Diff leakage
PostPosted: Thu Sep 08, 2011 8:29 pm 
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hoki wrote:
new o rings from time to time

ps. thats not oil leaking out, its wheel spin residue :wink:


LOL :)

However, my problem has been leaking out between the spur gear and the housing and there is no o-ring there - just a thin gasket.


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 Post subject: Re: Diff leakage
PostPosted: Fri Sep 09, 2011 2:45 pm 
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Location: Newlands
It could still be the O-ring on the spur gear end of the diff leaking - there should be one on that out drive too?

I would replace both O-rings and the gasket, make sure its all tightened up in the right pattern too so that the gasket is sealing ok to be sure :)

Russell

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 Post subject: Re: Diff leakage
PostPosted: Fri Sep 16, 2011 4:58 pm 
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Location: tawa
i have also found on previous buggies the plastic housings are not quite flat, maybe a bit of sand paper on a flat surface, rub the housing round on it, may help

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QRF 400
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 Post subject: Re: Diff leakage
PostPosted: Fri Sep 16, 2011 7:08 pm 
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Yea, I'm replacing the plastic housing, also new o-rings and gaskets. Going back to steel spur gears now so I'll rebuild them when my A-Main order comes in. Also I found out how to actually fill with diff oil properly (that helps!) :)


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