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Half shaft Seal - Replace one or both?


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3 replies to this topic

#1 julianwhite

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Posted 17 June 2009 - 07:59 AM

Hi,

I have the usual half shaft leak problem. The n\s seal is weeping at the seal (not through the pin) and the o\s is fine. Question is do I replace both or do I leave the good one well alone? Do you need special tools to perform the replacement? Is it best left to a specialist?

Your opinions appreciated.

Thanks in advance.

Julian
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#2 Jonathan

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Posted 17 June 2009 - 08:51 AM

Drive shaft has 2 seals - the lipseal and the o-ring

If oneside is OK then replace the leaky side...personally I wouldn't bother re-sealing a working seal for no reason.

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It can be a pain, digging the old seal out is pretty hard, you can end up damaging things, and replacing it properly needs a tool to ensure the seal is parallel and at the right depth. It's a 4 out of 5 difficulty imo, I've done it on my GT2 but if someone said 150 to change one I'd probably cough up the cash. Oh and dont do what my PO did and get any old mechanic to do it, it needs someone who knows Esprits and has access to the tool and manuals to insure it's in ok or it will leak or in my case they remove the gearbox tensioner and nearly destroy the whole gearbox !

Edited by Jonathan, 17 June 2009 - 08:52 AM.

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#3 DanR

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Posted 17 June 2009 - 10:49 PM

I've stopped using the OEM seals. Now fitting generic oil seals (8mm wide) with a generic dust seal (7mm) on top. Had fewer oil leaks than the oem ones and easier to fit by hand. Just check they're not pushed in too far.

OMG Jonthan how did you fix that tensioner? He would have stuffed up the diff bearing pre-load for sure.
DanR

#4 Jonathan

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Posted 17 June 2009 - 11:10 PM

It was flopping around like no-bodies bussiness - I cant imagine how the pinion and the crown wheel didn't jump and jam up - could have busted the the whole gearbox / engine / con rods.

The only way was to split the box top take it out, re-fit a new one and trial and error on the loading as per the manual - oh and a lot of help from Derrek Bell :)
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