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| JWL Member Since: 26 Oct 2011 Location: Hereford Posts: 3443   
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It does seem that there's a bit of the Black Art of manufacturing sceince going on with these bolts. The shoulder near the head is going to be where all the "play" is taken up. Theoretically it could be said that you could take the bolt out, turn the arm 180 degrees and you would be able to present an unworn end of the inner sleeve to sit on the shoulder of the bolt.
Just suggests to me that the design engineers managed to get one over the bean counters  |
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19th Dec 2015 9:33pm |
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| JWL Member Since: 26 Oct 2011 Location: Hereford Posts: 3443
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So, forgive me if I'm being extremely dense tonight, you are saying that the inner sleve is held in place by the side mountings and that the bolt is there to apply the force onto the ends of the inner sleeve plus locate the bush roughly in the right place.
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19th Dec 2015 10:30pm |
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| Retroanaconda Member Since: 04 Jan 2012 Location: Scotland Posts: 2702 
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Correct. Bolt locates the bush and applies clamping force, the friction between the inner sleeve and the mount sides is what does the work. The bolt should not have any shear force on it unless it's loose (allowing the inner sleeve to move slightly around it). Sh**ty aftermarket bushes can also cause this, the inner sleeve can be too short which means it won't tighten up properly.
All the movement should be within the rubber. Which is why I dislike polybushes, the inner sleeve rotates within the polyurethane as the joint moves. Combined with a little grit/dirt etc. that gets in there over time and you have wear. Same can happen between the polyurethane and the panhard rod itself (or radius arm etc. as appropriate). |
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19th Dec 2015 10:41pm |
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