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700/900 Series General Forum for the Volvo 740, 760, 780, 940, 960 & S/V90 cars |
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Track control arm polybushesViews : 1768 Replies : 29Users Viewing This Thread : |
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Jan 11th, 2019, 21:28 | #1 |
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Track control arm polybushes
Hi all
I'm getting a little confused about which bushes are which. I have the spaceship polybushes to fit but I want to fit the polybushes that go the other end of the track control arm at the same time as I have the arms off. Are the super pro bushes SPF2012K the correct ones https://www.ipdusa.com/products/7918...ushing-700-900 Or are these the ones for the rear of the arm https://www.ipdusa.com/products/7825...t-poly-700-900 Thanks in advance |
Jan 11th, 2019, 23:08 | #2 |
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The TCA bushes link two arms together so to be clear
Going into the front arm that does into the crossmember https://www.classicswede.co.uk/Super..._17823204.aspx and then going backwards the bush in teh same position as the 360 tie bar bushes https://www.classicswede.co.uk/Super..._17823202.aspx |
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Jan 11th, 2019, 23:29 | #3 |
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the inner suspension arm bush is fun to change, my bush puller couldn't get enough force, so I had to beat it inside out. Literally fold the inner metal up through hole.
To be honest I would just go for standard bushes for replacements, I couldn't justify the poly ones for the inner. Even the spaceship ones cause car parking skip I think. |
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Jan 12th, 2019, 00:30 | #4 |
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If it ain't broke, don't fix it Luke!
I've seen many reports on here that agree exactly with what Tony said about polybushes. If you've got the spaceship polybushes, i'd say fit those and see how you get on driving on them - if you really want to tighten the front up more then perhaps consider the control arm to chassis bushes but unless yours are seriously worn, they won't make a lot of difference, even renewing with standard rubber and i suspect you may transfer an unacceptable level of vibration with stiffer poly bushes in them.
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Jan 12th, 2019, 09:19 | #5 |
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I was going to use the arms off the car I'm breaking and fit the bushes to that so I didn't have to take my car off the road to fit it.
I have a hydraulic press at work that makes changing bushes very easy! However if you you don't have a press then a good way of doing them is to heat burn all of the rubber out, then heat up the sleeve in a line so it has a cherry red line up the middle. Then use something the same size as the sleeve if you can and if not then a punch and a hammer and you will be able to hit the whole sleeve out. I did it to the rear axle bushes and chassis bushes at work yesterday on a 1957 Bentley S1. My spaceship bushes and potentially rear ones are shot so when I reverse with a bit of lock the whole car jumps around! Other than car park skip are there any other negatives? I can live with that as I used to drive a slammed mk2 golf so a harsh ride is nothing new to me as long as it handles well. Last edited by 360beast; Jan 12th, 2019 at 11:22. |
Jan 12th, 2019, 10:34 | #6 |
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"Car park skip" can also be caused by incorrect wheel alignment - even slightly out and it'll jump about like Zebedee on a pogo-stick! Considering how tight the 7/9xx cars turn and the incredibly tight Ackermann angles involved in the steering, it's no real surprise.
Get your spaceship bushes done then check/adjust the wheel alignment to get rid of as much car park skip as possible, whether that includes doing the rear bushes on the control arms is up to you. Even with standard spaceship bushes and correct wheel alignment, turn a bit too tight on an uneven surface and i get a bit of skip on mine.
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