Tight bushes . . . . - Alfa Romeo Forum
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(Post Link) post #1 of 3 Old 08-03-14 Thread Starter
Status: 2016 . . . .Year ofthe Sprint??
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Mooney Tight bushes . . . .

Now that I have captivated your attention with a catchy thread title, the problem is altogether more prosaic . . . . Although lube will likely still be involved in the solution

I purchased - from 2 separate sources just in case - replacement rear trailing arm bushes as the ones that came off the car had the texture of a digestive biscuit. However despite checking, double checking and triple checking they are too big by some 2.5mm. The part number appears to be the same for these across Sud, Sprint and up to 907b series 33 these ones. The inner diameter on the arm is 42mm, the outer diameter of the bushes I have is 44.2mm. They simply won't fit as they are. So far I have tried

1- Compressing in on a 6 tonne press. Result - one burst bushing . . .
2- Putting bushing on to a bolt to act as a spindle, and with a bench grinder trying to take some excess material off. They seem to get wider the more I grind them . . . . . . heat presumably.
3- Again using a bolt as a spindle, clamp a drill into a vice with the bolt held in the chuck. Try to grind off while spinning with a file or a wood chisel. Again not making any visible or measurable impact.

I am sure I am not the only one to have encountered this, so am I doing something stupid and missing the obvious? What did anyone else do on their projects? Would heating the arm and freezing the bushes perhaps help?

Any advice appreciated.

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Ma si muore sempre come Alfista

Last edited by StescoG66; 08-03-14 at 09:06.
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well they certainly look like the right part, - the outer case should be nylon, and a bit flexible, - they are 'too big' even when they are the right part, but I carn't remember if they are as much as 2.5mm over size. The last ones I fitted I chamfered one edge to help to persuade it to fit.
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Are they nylon bushes? If they are and it's an interference fit it only needs a few microns its massively oversize as it is.
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bushes , tight

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