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StescoG66
Alfasud
Joined: 26 Nov 2013
Posts: 27
Location: Lenzie, Glasgow
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 Posted: Sat Mar 08, 2014 10:48 am Post subject: Tight bush . . . . . |
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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 :rolleyes:
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.
http://www.ebay.co.uk/itm/400110040634?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1497.l2649
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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Johnpm1967
Alfasud
Joined: 21 Jun 2013
Posts: 32
Location: Tewkesbury
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| Posted: Sun Mar 09, 2014 10:41 am Post subject: |
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| I have exactly the same issue? I gave up as I was they were for my son's 33 (see dead car back on road) which is currently being rebuilt. I even tried carefully sanding a couple of mm off. I assumed it was my fault and would check really really carefully in future. I have about 3 sets of trialing arms so I am not sure where I made the mistake. When I get to that point in the rebuild I am going to go for poly bushes. They must fir one of my sets of arms. |
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Ian M
Green Cloverleaf
Joined: 13 Mar 2003
Posts: 911
Location: Bath Somerset
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| Posted: Mon Mar 10, 2014 9:36 pm Post subject: |
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I once tried and failed to fit a new set of these
They are an absolute pig to press in, I take it you are fitting the standard original rubber bushes.
If so I suggest you buy a set of poly bushes.
Very easy to fit and last forever
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Presntly own
Red Abarth 500c |
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