Northy
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| posted on 13/7/05 at 09:44 PM |
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Transmission "clunk" noise
When I let the clutch out after changing gear I can hear and feel a "clunk".
I think it is coming from the dif, so I put the car in gear and rocked it forwards and backwards, and the nearside output shaft on the diff (lobro
joint type) looks like itmoves in and out a few millimeters. I take it this isn't a good thing? 
Is this a serious problem? Is the diff going to fail and lock the rear end up on me one day?
Suggestions welcome.
Cheers
Graham
Website under construction. Help greatfully received as I don't really know what I'm doing! 
"If a man says something in the woods and there are no women there, is he still wrong?"
Built 2L 8 Valve Vx Powered Avon
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sminney
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| posted on 13/7/05 at 09:55 PM |
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check your prop bolts have not come loose, this was a symptom with one of our guys on the way back from le mans.
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Mark Allanson
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| posted on 13/7/05 at 10:20 PM |
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I have just developed exactly the same problem with a live axle, a small clunk when changing gear, in the lower gears
If you can keep you head, whilst all others around you are losing theirs, you are not fully aware of the situation
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Peteff
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| posted on 13/7/05 at 11:19 PM |
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Mines live axle and I had similar but it was just clutch cable adjustment, it made reverse almost impossible to select with the engine running. Lobros
are supposed to have play to allow for the drive shaft movement aren't they? If the diff is oiled it will most likely whine for ages before any
drastic failure. Check your bolts like in the earlier post.
yours, Pete
I went into the RSPCA office the other day. It was so small you could hardly swing a cat in there.
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bimbleuk
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| posted on 14/7/05 at 09:37 AM |
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How about lash on the input side of the diff? Thats the clunk I get at lower speeds.
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Dave Ashurst
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| posted on 14/7/05 at 07:11 PM |
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Check tightness of all the bush bolts
edit: on the rear wishbones (or trailing arms)
[Edited on 14/7/05 by Dave Ashurst]
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omega 24 v6
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| posted on 14/7/05 at 09:18 PM |
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Also check all wheel nuts
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Liam
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| posted on 14/7/05 at 11:06 PM |
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Oh no! That diff was from me wasn't it! Hope it's ok...
Are you sure the drive flange is moving in and out a significant amount? That's odd and it shouldn't be able to do that unless the
circlip inside has broken/popped off. I cant see how it'd do that under normal stresses and strains, but that might be the problem.
Hope you get it sorted. By the way - have you actually noticed any improvements/differences in the way it drives with the LSD?
Liam
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