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Jam nuts GC/Koni Yellow

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Old 06-11-2013, 08:08 PM
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Default Jam nuts GC/Koni Yellow

Should these be completely tightened???

I was going through suspension pieces and noticed I could tighten these quite a bit and after doing it for a while, I stopped.
Old 06-11-2013, 10:27 PM
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Default Re: Jam nuts GC/Koni Yellow

yes tighten them.... fairly snugg.. it keeps them from coming undone and prevents the threaded body from gauling and stripping
Old 06-12-2013, 12:09 AM
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Default Re: Jam nuts GC/Koni Yellow

I guess I'll keep tightening them until I can't anymore.
Old 06-12-2013, 11:18 PM
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Default Re: Jam nuts GC/Koni Yellow

Wow, I had to tighten those forever!!!

Still getting a clunking noise in the rear though.

What else should I check?
Old 06-13-2013, 03:21 PM
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Default Re: Jam nuts GC/Koni Yellow

Originally Posted by Zaraki
Wow, I had to tighten those forever!!!

Still getting a clunking noise in the rear though.

What else should I check?
Instead of making sure that the jam nut is tight, you should make sure the primary nut below the jam nut is tight. Otherwise the shock could still be loose in the upper mount, which can cause a clunking sound. You'll need to prevent the shock shaft from spinning while tightening.
Old 06-14-2013, 03:51 PM
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Default Re: Jam nuts GC/Koni Yellow

oohhh talking about the upper bushing nut etc.... thought you were talking about the piece that the spring sits on that adjusts up and down the shock body...
Old 07-12-2013, 12:56 AM
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Default Re: Jam nuts GC/Koni Yellow

Ok this is seriously driving me nuts!!!!

I'm still getting a clunking sound and squeeking.
Sounds like its coming from the top hat area in the rear.
Old 07-12-2013, 01:49 PM
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Default Re: Jam nuts GC/Koni Yellow

Originally Posted by Zaraki
Ok this is seriously driving me nuts!!!!

I'm still getting a clunking sound and squeeking.
Sounds like its coming from the top hat area in the rear.
Did you even try what I suggested?

Originally Posted by TunerN00b
Instead of making sure that the jam nut is tight, you should make sure the primary nut below the jam nut is tight. Otherwise the shock could still be loose in the upper mount, which can cause a clunking sound. You'll need to prevent the shock shaft from spinning while tightening.
Old 07-12-2013, 03:08 PM
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Default Re: Jam nuts GC/Koni Yellow

Where is the primary nut?

There's the 2 locking nuts at the top which I tightened as much as I could.
Old 07-12-2013, 05:35 PM
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Default Re: Jam nuts GC/Koni Yellow

Originally Posted by Zaraki
Where is the primary nut?

There's the 2 locking nuts at the top which I tightened as much as I could.
There are not 2 "locking nuts".

There is 1 nut that you need to tighten down to securely hold the shock shaft in place in the upper shock mount. Then, you install the second nut on top of that to prevent the first nut from loosening from vibrations, which acts as a jam nut.

Just making sure the jam nut is tight won't do much; and it doesn't need much torque either.
Old 07-14-2013, 04:18 PM
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Default Re: Jam nuts GC/Koni Yellow

did you put the little metal sleeves onto the shock shaft that sits inside the top hat? I have seen people forget to put that in there.
Old 08-21-2013, 07:47 PM
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Default Re: Jam nuts GC/Koni Yellow

Originally Posted by TunerN00b
There are not 2 "locking nuts".

There is 1 nut that you need to tighten down to securely hold the shock shaft in place in the upper shock mount. Then, you install the second nut on top of that to prevent the first nut from loosening from vibrations, which acts as a jam nut.

Just making sure the jam nut is tight won't do much; and it doesn't need much torque either.
Okay, well they are tight.
Old 08-21-2013, 07:48 PM
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Default Re: Jam nuts GC/Koni Yellow

Originally Posted by azzazel_9
did you put the little metal sleeves onto the shock shaft that sits inside the top hat? I have seen people forget to put that in there.
Yes, thanks though.
Old 08-21-2013, 07:49 PM
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Default Re: Jam nuts GC/Koni Yellow

I'm still getting a clunking noise in the rear.

Can someone tell me what my rear spring rates are? (0800-250-0350)
Old 08-21-2013, 10:26 PM
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Default Re: Jam nuts GC/Koni Yellow

Originally Posted by Zaraki
I'm still getting a clunking noise in the rear.

Can someone tell me what my rear spring rates are? (0800-250-0350)
If you are asking about 0800-250-0350, then I believe it means:
8" length
2.5" ID
350 lbs/in

FYI...
- Jim
Old 08-22-2013, 12:55 PM
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Default Re: Jam nuts GC/Koni Yellow

Originally Posted by Zaraki
I'm still getting a clunking noise in the rear.

Can someone tell me what my rear spring rates are? (0800-250-0350)
Just want to confirm that you have tightened the nuts separately. The first nut must be tight before you install the second one, or else you might not get it tightened all the way.
Old 08-22-2013, 07:26 PM
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Default Re: Jam nuts GC/Koni Yellow

Originally Posted by d1ck
Just want to confirm that you have tightened the nuts separately. The first nut must be tight before you install the second one, or else you might not get it tightened all the way.
Yep, took off the top nut, tightened the bottom and then put the top back and tightened.
Didn't change the noise though...

I'm wondering if my spring rates are adequate?

Thinking about installing new rear top hats, and possibly new LCA's since the bushing on those are old and worn.
Old 08-22-2013, 07:27 PM
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Default Re: Jam nuts GC/Koni Yellow

Originally Posted by Calif_Kid
If you are asking about 0800-250-0350, then I believe it means:
8" length
2.5" ID
350 lbs/in

FYI...
- Jim
Thanks!
Old 08-31-2013, 10:00 PM
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Default Re: Jam nuts GC/Koni Yellow

So, I'm wondering if I should be running a shorter than 8" spring in the rear?

Slightly tucking in the front and rear.
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