CSG and RCE tag-team suspension Q&A thread! Ask us anything!

[Tomyyyu]

@

Is the front saying the min is 2.8in and max 3.9in? And rear min 5.1in and max 6.1in?




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[Tokay444]

Yes.

[cmiovino]

Keep in mind this is with those particular length springs too. Using a different spring length will wildly change those measurements.

[Tomyyyu]

Building out an excel and wanted to collect this info:

Weight of front coilover (each) for T2
Weight of rear coilover (each) for T2

Bump Stop Rate for both Front and Rear bump stops on the T2


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[Compelica]

I'm getting a clunking sound from my HKS GT4 coilovers on pillowball mounts. At first I thought it was due to wear on those bearings, but when I sent it for a rebuild the shop mentioned the bearings were fine, but instead was a fastener/screw(?) that was coming loose.

After the rebuild the clunking stopped, but after 6 months the clunking is back again. Any idea what is causing that clunking, and which fastener that the builder is referring to? The clunking is most obvious when driving slowly over rough roads, but on high speeds it is not that noticeable.

[Tokay444]

Originally Posted by Compelica

I'm getting a clunking sound from my HKS GT4 coilovers on pillowball mounts. At first I thought it was due to wear on those bearings, but when I sent it for a rebuild the shop mentioned the bearings were fine, but instead was a fastener/screw(?) that was coming loose.

After the rebuild the clunking stopped, but after 6 months the clunking is back again. Any idea what is causing that clunking, and which fastener that the builder is referring to? The clunking is most obvious when driving slowly over rough roads, but on high speeds it is not that noticeable.

Have you tried asking the rebuilder?

[Compelica]

Originally Posted by Tokay444

Have you tried asking the rebuilder?

I have - but it has been some time hence the rebuilder has probably forgotten about it.

Could it be the top hat nut?

[Tokay444]

Originally Posted by Compelica

I have - but it has been some time hence the rebuilder has probably forgotten about it.

Could it be the top hat nut?

You should definitely start there.

[Racecomp Engineering]

Originally Posted by Tokay444

You should definitely start there.

And the endlinks. Which isn't part of your coilovers but it's pretty common anyway.

- Andrew

[Compelica]

Originally Posted by Tokay444

You should definitely start there.

Originally Posted by Racecomp Engineering

And the endlinks. Which isn't part of your coilovers but it's pretty common anyway.

- Andrew

Thanks. I'm a novice when it comes to coilovers - what am I supposed to look or check here? Seems there is an Allen key insert and a hexagonal nut, seems like I will have to get the suspension unloaded to check for any free play here?

The clunking is coming from the upper mount area, but I'll check the end links once I can.

I'm reading around on other forums which they mention that top hats have to be tightened with an impact gun but I'm not sure what I'm looking at; any guidance is certainly appreciated.

[Tokay444]

The hex is there to hold the shaft stationary while you torque the nut.

[Compelica]

Probably answering my own question, but looks that I'll have to hold the Allen key insert while tightening the outside nut down.

Manual says to tighten nut down to 49N-m, could do it with an open wrench as my torque wrench is the socketed type which would block the Allen key.

Also to prevent the nut from backing out again, is the nut removable so I can apply blue Loctite to it?

[Tokay444]

You can get a crow's foot and run it 90 degrees to your torque wrench so you don't have to math out the difference in torque. I'd use Loctite as a last resort.