S2000 Under The Hood S2000 Technical and Mechanical discussions.

Installed coilovers - Noises are occuring.

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Old Jul 14, 2008 | 09:55 AM
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Default Installed coilovers - Noises are occuring.

Hey, I installed my Buddy Club N+ last week and its been having some squeeking noises and also sounds like my back right suspension bolts are loose when their not. I trippled check all the bolts and nuts on the car. Everythings perfectly good tight.

It only makes these noises while going over on little bumps and such. Like when the suspensions being compressed. Any solution?
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Old Jul 14, 2008 | 10:32 AM
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Did you preload your suspension before tightening?
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Old Jul 14, 2008 | 12:43 PM
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I was trying to figure out what people meant by preloading. I don't really understand. Can someone specify it for me?
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Old Jul 14, 2008 | 01:28 PM
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After you install the susp components and BEFORE you COMPLETELY tighten all of the bolts, compress the suspension (use a floor jack etc) and this will cause the "pre-load" that you are looking for.

Brian
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Old Jul 14, 2008 | 01:50 PM
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did you take off the tie bar or tie rod?
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Old Jul 14, 2008 | 02:30 PM
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One thing I had to do with my Buddy Club Racing Spec dampers was to put 2 washers in between the bottom U-shaped forks on the dampers and the control arm. I test fitted with 1 damper and saw that not using the washers caused the U-shaped fork to bend (almost towards a V-shape) when I tighted the bolt.

I know it's kind of convoluted to explain in text. Please let me know if you would like a drawing.

Also, did you check all your perches so that they're tight? Make sure you don't have any slack in your spring perch. Does it sound like a clunking or more of a rattle?
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Old Jul 14, 2008 | 09:17 PM
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No, I didn't take the tie rod off for the installation. The passenger rear coilover is the only one making the noises. I put washers on it as well for the U fork.
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Old Jul 15, 2008 | 08:55 AM
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Clock your bushings.

-Jack up your car and put all 4 wheels are in the air. put it on jack stands.

-Take off the wheels.

-Pick a corner. Jack up the LCA on that corner at the farthest point you can. Closest to the hub. Jack it up until the spring compresses and the corner you're working on comes off the jack stand.

-Tighten affected bolts for that corner. Then move on to the next corner.

Here are the ones you need to clock:

Front:

UCA to chassis.
LCA to shock.

Rear:

LCA to chassis. There is one LCA to chassis bolt that bolts to the chassis area behind the seats. This bolt probably was not loosened in the coilover install and often gets over looked. You have to loosen it and re-clock it for your current ride height.

LCA to shock

I'm pretty sure the rear UCA to chassis needs to be done as well. Any bushing that has to pivot up and down with the suspension, basically.

Whether or not this is causing your squeaking, this MUST be done. If not, your bushings will cause lift, and make noises, and eventually wear out and tear. If you've looked at bushing prices for this car, you'd REALLY want to take the 20 mins to clock your bushings.

Then go get the car aligned in about 1k miles. Your springs will sag slightly so you'll probably have to reset your ride height to match your current desired height.
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Old Jul 15, 2008 | 09:51 AM
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Originally Posted by B serious,Jul 15 2008, 08:55 AM
Clock your bushings.

-Jack up your car and put all 4 wheels are in the air. put it on jack stands.

-Take off the wheels.

-Pick a corner. Jack up the LCA on that corner at the farthest point you can. Closest to the hub. Jack it up until the spring compresses and the corner you're working on comes off the jack stand.

-Tighten affected bolts for that corner. Then move on to the next corner.

Here are the ones you need to clock:

Front:

UCA to chassis.
LCA to shock.

Rear:

LCA to chassis. There is one LCA to chassis bolt that bolts to the chassis area behind the seats. This bolt probably was not loosened in the coilover install and often gets over looked. You have to loosen it and re-clock it for your current ride height.

LCA to shock

I'm pretty sure the rear UCA to chassis needs to be done as well. Any bushing that has to pivot up and down with the suspension, basically.

Whether or not this is causing your squeaking, this MUST be done. If not, your bushings will cause lift, and make noises, and eventually wear out and tear. If you've looked at bushing prices for this car, you'd REALLY want to take the 20 mins to clock your bushings.

Then go get the car aligned in about 1k miles. Your springs will sag slightly so you'll probably have to reset your ride height to match your current desired height.
I'll get on it. I only have 2 jack stands. =[
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