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Weird Judder from Rear under light load 06 STI

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Old 03 August 2009, 03:33 PM
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vash
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Default Weird Judder from Rear under light load 06 STI

Hi

I am wondering if anyone has any ideas what might be the problem.

I have a 06 JDM Sti.

I have put on a set of BC Coilovers which I rate and had the car setup by Powerstation.

When I turn at low speed, most noticeably from a stop I get a judder from the passenger side rear.

When I had geometry done, Powerstation looked over the back and where hanging from it and it was all seemed solid as a rock.

I have spoken to BC and they have said that a faulty shock might cause a knock but not the judder I am getting.

Any ideas?

Many thanks

Vash
Old 03 August 2009, 05:22 PM
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RichT247
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ive got the same problem but i havent had time to look into it yet lol.
Old 03 August 2009, 07:11 PM
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greatgonzo
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Its not just the diffs is it
Put it in manual and turn all the way to the last green light. Then turn the car on full lock to see if it has gone .
Old 03 August 2009, 07:12 PM
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TonyBurns
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Yup diff would be what I think it is, as above

Tony
Old 04 August 2009, 10:20 AM
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vash
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Hi

Thanks for the replies!

I don't know if it is DCCD.. It never did it in my MY 03STI UK and it only seems to judder from the rear left.

I tried the dialing it back and then locked... It still did it dialed back.. Its hard to do in 50/50lock as at slow speed it just burns clutch :P

If it was DCCD wouldn't it judder the whole car not just from one corner?

Thanks

Matt
Old 04 August 2009, 07:24 PM
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GlesgaKiss
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Originally Posted by vash
Hi

Thanks for the replies!

I don't know if it is DCCD.. It never did it in my MY 03STI UK and it only seems to judder from the rear left.

I tried the dialing it back and then locked... It still did it dialed back.. Its hard to do in 50/50lock as at slow speed it just burns clutch :P

If it was DCCD wouldn't it judder the whole car not just from one corner?

Thanks

Matt
No, because you've got to imagine what effect the diff is having, i.e, the two rear shafts are not turning the same.
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