rear swaying left to right

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andre
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Hi my 2003 2 liter iO 5 door behave strange when loaded. Came back from holiday and at times the rear is swaying left to right. I did replace the shocks, can it be the coil springs or maybe susspension rubbers, any help would be appreiciated. I'm is South Africa

bob_oz
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shocks and lower arm rubber

shocks and lower arm rubber bushes - 

panhard rod bushes don't wear as badly

I run stiffer springs now and that pushes the wobbles from 110km/h up to 140km/h which i rarely travel at

.

andre
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Thanks you for the reply, New

Thanks you for the reply, New thicker, stiffer coils (all 4) are being fitted tomorrow, also with am +- 50mm increase in lenght. I did replace the rear shocks 12 months ago.

 

Will test the vehicle over the weekend before I replace the lower control arm rubbers.

 

 

bob_oz
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lower rubbers

it's the lower front ones that typically fail first

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fordem
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Interesting...

The only ones I've had trouble with have been the rear upper.

bob_oz
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rear lowers

i found that the lower arm cops more damage from beach and debris - also when you've lifted it the angle is all wrong and pivots under acceleration - 

polybushes have solved!

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Claude io
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lower bush

I have worked on several io....and found the same as Bob, that the lower one got worn before....they may have a harder life when doing 4x4....not sure. I always used the OEM bush, never tried the polybushes.

Happy io

My io is now SOLD Thankshttp://pajerio.com/forum/claudes-io-2002-zr-built-thread-onlyhappy-io 

fordem
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I'd be reluctant to use polyurethane on any 4WD

I've used polyurethane bushes on sport hatches and would be quite reluctant to use them on a 4WD - they will more than likely reduce articulation.

andre
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some feedback, coils fitted

some feedback, coils fitted and the car is 100% stable, tested up to 170kph. the rear coils were ordered a bit longer and the result is a 60 mm lift. This will help a lot with luggage as I think the car might have been overloeaded with all the hoilday stuff, roof top tent etc. While they were busy installing the front coils we tested the front shocks, also 100%. The car is very stable yes

Claude io
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make sure

andre wrote:

some feedback, coils fitted and the car is 100% stable, tested up to 170kph. the rear coils were ordered a bit longer and the result is a 60 mm lift. This will help a lot with luggage as I think the car might have been overloeaded with all the hoilday stuff, roof top tent etc. While they were busy installing the front coils we tested the front shocks, also 100%. The car is very stable yes

Make sure you still have some droop left at the front....60mm could be too much, for the front that is.....

My io is now SOLD Thankshttp://pajerio.com/forum/claudes-io-2002-zr-built-thread-onlyhappy-io 

andre
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Front did not lift as the

Front did not lift as the coils were the same lenght only thicker material, thinking of installing a spacer between top of strut and body, what will be the best thickness, want to achive about +-30mm lift.  If anyone know where I can buy or ask an engineering company to manufacture the spacers in South Africa.

Had a long trip last weekend fully loaded, no swaying, car very stable.


Thanks for all the inputs.

fordem
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Wasn't Claude selling these?

I think Claude (Claude io) was making spacers in acetal ...

andre wrote:
Front did not lift as the coils were the same lenght only thicker material.

You might want to take a closer look at what is happening here - there is a bit more to spring design than just length & wire thickness, but generally speaking the same length coils with thicker wire will result in a higher spring rate which will result in a lift - was anything else changed?

I'm running Dobinsons' springs on my iO - the front springs have a shorter free length than stock, but because they use a thicker wire, and have more turns, the spring rate is higher and the front of the car is lifted, by almost exactly 30mm.

The picture below shows the Dobinsons alongside the OEM springs.

Claude io
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Thanks

Thanks Fordem,

Yes, I still make those as I still have some material. I haven't sold many but they are nearly every where in the world !!...

http://pajerio.com/forum/pajero-io-lift-sale-spacer-and-spring-only

Happy io

My io is now SOLD Thankshttp://pajerio.com/forum/claudes-io-2002-zr-built-thread-onlyhappy-io 

bob_oz
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  • Post Date: Thu, 15/02/2018 - 9:21pm
long and soft

fordem wrote:

I think Claude (Claude io) was making spacers in acetal ...

andre wrote:
Front did not lift as the coils were the same lenght only thicker material.

You might want to take a closer look at what is happening here - there is a bit more to spring design than just length & wire thickness, but generally speaking the same length coils with thicker wire will result in a higher spring rate which will result in a lift - was anything else changed?

I'm running Dobinsons' springs on my iO - the front springs have a shorter free length than stock, but because they use a thicker wire, and have more turns, the spring rate is higher and the front of the car is lifted, by almost exactly 30mm.

The picture below shows the Dobinsons alongside the OEM springs.

All of the offroad high speed vehicles that ran really well had long soft springs - i'm running 1.6L long OEM springs in the front and they are lovely on fast rough roads, body roll is about as standard given the wider front track and higher tyre pressures.

hard part is finding good OEM springs or a spring workshop willing to custom make

.

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