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Richard the old one
 Post subject: Trailing arm mounts.
PostPosted: Mon Oct 12, 2020 10:23 pm 
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Did you know and I am wondering, if anyone knows why when our cars were built the trailing suspension arms had different mounts fitted at either end of the trailing arms? The front mount, part 152308, had a very complex shape to its rubber and the workshop repair manual states it needs to be installed in the position illustrated.


Image



The rear mount was, part number 149827, and was just a simple cotton real shape. In due course both of these mounts have been replaced by a part ULC1580, which is just a simple cotton real design.



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new to this
 Post subject: Re: Trailing arm mounts.
PostPosted: Mon Oct 12, 2020 11:03 pm 
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Location: Harrow Middlesex
The poly ones i fitted to my car were both the same design
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dollyman
 Post subject: Re: Trailing arm mounts.
PostPosted: Tue Oct 13, 2020 10:02 am 
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I would say it is to do with the ride Richard, similar to the Ford "void" bush. The void one's seem to be unavailable now or i would buy some for my Dolly, as the PO replaced them with an orange coloured poly and there is a slight vibration and firm ride. The same thing happened with Ford's when you replaced with "solids".

Tony

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Macleesh
 Post subject: Re: Trailing arm mounts.
PostPosted: Tue Oct 13, 2020 5:33 pm 
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The void is to allow the arm to twist in the mount in a restricted plane to take account of the fact that as the wheel rises and falls in relation to the other side the axle rotates about the car's centre. The bush allows some give to enable the arm to follow the axle.

Thanks

Sean

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sprint95m
 Post subject: Well...
PostPosted: Tue Oct 13, 2020 5:45 pm 
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While these were still available new,
Sprintspares sold the void bushes at a lower price than the solid version.


Ian

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new to this
 Post subject: Re: Trailing arm mounts.
PostPosted: Tue Oct 13, 2020 9:22 pm 
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Location: Harrow Middlesex
Quote:
I would say it is to do with the ride Richard, similar to the Ford "void" bush. The void one's seem to be unavailable now or i would buy some for my Dolly, as the PO replaced them with an orange coloured poly and there is a slight vibration and firm ride. The same thing happened with Ford's when you replaced with "solids".

Tony
It was the orange polys ive fitted
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