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Suspension Noises.

MBS206
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MBS206 Grand Master

MBS206

Posted
Posted

Hey all

Recently fitted some new springs to my R33 GTS-t to raise it's belly off the ground (Was WAY too low)

Anyway, now that I've done this, I have a suspension "clunk" issue, mainly from the front drivers side.

I've been back under the car with a breaking bar and socket, and everything is as tight as can be, but I took some careful note of bushes etc, and to me, the bush at the bottom of the shock (in the eyelet) seems to have "come out" on both sides and it doesn't look to be sitting on the pin properly.

Can this cause my "ka klunk" as I ride over bumps to occur, and what parts should I run out to order to fix it.

I'm going away next thursday, and really want this fixed.

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gts4diehard Rising Star

gts4diehard

Posted
Posted

With one of my R32s the front upper arms started making a clunking sound when they were worn. Have you got std rubber bushed upper arms in your car or the urethane ones?

When you refitted the springs did you tighten up the bushes with the car on the ground. From memory when you fit the upper arms you have to torque them up with the car on the ground, which is to ensure the twisting of the bushes(movement of the arm) is within the range that the rubber can take without breaking. It could be now that you have reset the height of the arm that there is wear in the arm from previous height or if the person who lowered the car actually did it properly you may now be forcing the arm into a range of movement that is outside what the rubber can take.

When you fit new arms they make special mention on how important it is to tighten the bolts while the car is on the ground and to me it makes sense to do the same when you alter the range of movement that the suspension arms will be going through by lowering/raising the car.

another cause of the knocking can be stuffed shocks - especially if stock shocks have been used with low springs, now that you have increased the range of movement of the shock I think it would highlight any probs the shock might have.

sorry for not narrowing the options but the above maybe worth considering.

may not be the case with you car

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