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Post subject: gear change shaft oilseal 4l1
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waggywinker  Daily Burner Joined: 04 Aug 2003 Total posts: 106 Location: birmingham |
Just a quicky. Is it possible or Has anyone ever changed the gear change shaft oilseal without removing the shaft on a 4l1. Cheers.
Waggy. 
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Posted: Sun Jul 06, 2008 3:46 pm
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LCtanner Sunday Rider Joined: 02 Jul 2008 Total posts: 42 |
Not summat I've ever thought about  . If you knacker the old one getting it out it don't matter. But if you damage the new 'un trying to get it in your back to square one!. I'd ave said no, but don't let that stop yer trying.
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Posted: Sun Jul 06, 2008 3:59 pm
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4l0 4ever Rear-wheel Steering! Joined: 05 Aug 2003 Total posts: 2788 Location: Dudley, West Midlands, United States of England. |
Yes, I have changed the seal without taking the shaft out. Just screw a self tapping screw into the old seal to give you something to pull it out with.
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Posted: Sun Jul 06, 2008 4:00 pm
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LCtannerSunday Rider Joined: 02 Jul 2008 Total posts: 42 |
So wot do you use to drift the new seal in with? Won't the seal get damaged if yer not careful. Or have just answered that mesen! careful like!
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Posted: Sun Jul 06, 2008 4:08 pm
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Post subject: i will give it a go !
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waggywinkerDaily Burner Joined: 04 Aug 2003 Total posts: 106 Location: birmingham |
MMMM, Cheers lads, as you say - not much to loose, so i will have a go, i will try what you said - 4l0 4ever, All the best,
Waggy 
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Posted: Sun Jul 06, 2008 4:09 pm
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ianboom Powerband Master Joined: 17 Sep 2005 Total posts: 592 Location: Shirley, Solihull. |
I've changed one in the past without splitting the cases, but it didn't cure the leak as the shaft was worn! 
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Posted: Sun Jul 06, 2008 4:23 pm
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| Rich |
| LCtanner wrote: |
| So wot do you use to drift the new seal in with? Won't the seal get damaged if yer not careful. Or have just answered that mesen! careful like! |
Shouldn't be tight, most seals can be pressed in with your fingers and a bit of grease. You could always use the plastic chain guide thingy to make sure it goes in square  Splitting the cases won't make any difference anyway as the seal is in the lower case! You could remove the gearchange shaft but that's a pain as the clutch has to come off. If you're gonna go that far you may as well fit a new shaft as well.
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Posted: Sun Jul 06, 2008 4:27 pm
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LCtannerSunday Rider Joined: 02 Jul 2008 Total posts: 42 |
| Rich wrote: |
| LCtanner wrote: |
| So wot do you use to drift the new seal in with? Won't the seal get damaged if yer not careful. Or have just answered that mesen! careful like! |
Shouldn't be tight, most seals can be pressed in with your fingers and a bit of grease. You could always use the plastic chain guide thingy to make sure it goes in square Splitting the cases won't make any difference anyway as the seal is in the lower case! You could remove the gearchange shaft but that's a pain as the clutch has to come off. If you're gonna go that far you may as well fit a new shaft as well. |
Good idea with the chain guide!  I changed mine when the engine was apart, it's just I know from experience at work how easy lip seals are to damage  .
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Posted: Sun Jul 06, 2008 4:49 pm
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Post subject: Cheers rich
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waggywinkerDaily Burner Joined: 04 Aug 2003 Total posts: 106 Location: birmingham |
Thanks, yep thats a good idea with nylon bush, Will let you know how it go's, cheers..
Waggy
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Posted: Sun Jul 06, 2008 6:38 pm
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SpikeDaily Burner Joined: 25 Aug 2005 Total posts: 227 Location: Swiiiiiitzerland |
I've pressed in new selas with the help of a long neck beer bottle… no hammers please! Try to get it square or it will leak again, and more important try to get it not exactly in the spot as before, often the seals are Ok, but the shaft is what wears.
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Posted: Mon Jul 07, 2008 7:37 am
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jackster Regular Racer Joined: 05 Aug 2003 Total posts: 475 Location: Adelaide / South Australia / Australia |
also, the bush in the crankcase side cover may be worn and this lets the shaft flex more and wears out the seal. (I think...) 
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Posted: Mon Jul 07, 2008 7:57 am
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ianboomPowerband Master Joined: 17 Sep 2005 Total posts: 592 Location: Shirley, Solihull. |
Yep, I had my side cover re-bushed!
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Posted: Mon Jul 07, 2008 8:22 am
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