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Unread 05-17-2011, 07:47 PM   #1
billzcat1
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Stopping clunks in JKS Quicker Disconnects?

I have clunks in my QDs which I have narrowed down to the QDs through process of elimination. If I drive with the front sway bar connected, I get clunks whenever there's a bump on only the front-right tire (US Passenger side).

I have set the sway bar to the correct angle.
I have torqued the studs to 60 ft-lbs.
I have greased them (twice) with high-quality Sta-Lube grease.
I have made sure the grease gets all the way around the bushings on the ends.
I have tried them both at equal lengths/no pre-load.
I have tried them at different lengths to add preload.
I have replaced the inner sway bar bushings with new OEM bushings and greased them.
I can shake the crap out of the Jeep and get no noises or clunks.
When I remove the disconnects, the clunk goes away.

If there's something I'm missing here, please, let me know. I'm getting fed up with them which is a shame because they seem well-made and the install/removal is so easy!

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Unread 05-17-2011, 07:52 PM   #2
Kitchen
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turn up the radio!


but really mine do that too, i tried wedging some foam in their so the pins wont rattle, but the pins arnt the problem.
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Unread 05-17-2011, 07:59 PM   #3
skain8
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I replaced my JKS clunkers with Rough Country disconnects after trying various "fixes" without success. I'm not the biggest RC fan, but i found their disco's to be a better, simpler overall design IMO, and of course, much cheaper.
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Unread 05-18-2011, 02:31 AM   #4
phant0omx
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Quote:
Originally Posted by skain8 View Post
I replaced my JKS clunkers with Rough Country disconnects after trying various "fixes" without success. I'm not the biggest RC fan, but i found their disco's to be a better, simpler overall design IMO, and of course, much cheaper.
cool, i might do the same. the clunk is terrible.

other then that fix, i have read of some people finding a nylon washer that is the size of the ring the bushing on the disconnect goes into and glueing it there, thus killing the sway bar from clunking against the disconnect.
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Unread 05-18-2011, 02:59 AM   #5
alwaysHI
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I dont mind it, but it is a common problems due to the bushings they use. It affects it in no way though.
As long as i hear it, I know my QD's are still there! Main thing.
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Unread 05-18-2011, 03:14 AM   #6
CrazyWalnut13
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Amazing, a local, lifted WJ owner who actually posts on these forums!! What color is your rig?

And if you see a white WJ with a 3" lift (currently sitting on stock wheels tires and with a JF.com sticker in the back window) in the Bellevue area, honk at me. I go to school at BCC and work at the Les Schwab on 148th, so I'm always driving around.

And you may have just convinced me to skip the JKS QD option when I go up to the 4" critical path in a couple weeks.
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Unread 05-18-2011, 06:12 AM   #7
Apollo21
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While JKS is a great company and make solid products they do have a clunking problem. As much as i hate to say it i went with RC for discos they don't clunk but i'm always worried they will fail so i keep extras in the back.
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Unread 05-18-2011, 07:10 AM   #8
Bmeckman
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I put a rubber washer on the outside of the disco...helped a little but i cannot stand the clunk anymore it is soo annoying. I emailed JKS about the issue...they pretty much said tough Shi# nothing we can do about it. Im thinking about switching to something different as well. Kinda irritating for the price that they do this and JKS is ok with it?
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Unread 05-18-2011, 10:31 AM   #9
PhantomWJ
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Good to hear that my investment on the RC QD was not money wasted.

I have had to RC QD ans they perform as they should. My concern was the small ball joint they at one of the end, I keep thinking that end is going to fail; it has not yet.

They pins that that hold them in place have given me problems. I have lost one and it has currently been replaced with duct tape, there other keeps trying to pop out (the moon shaped metal that secures the pin). I had problems tryin to thread them on to each other, it result in my forcing it int here and tac welding them secure...

But, aside from the pin, they work finse so far....and the price it unbeatable.

I would not be able to stand the clunking, thanks for the heads up...

Last edited by PhantomWJ; 05-18-2011 at 10:44 AM.. Reason: duck...duct...
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Unread 05-18-2011, 10:39 AM   #10
skain8
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^^ invest in some clevis pins to replace the stock supplied pins.

pins.jpg
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Unread 05-18-2011, 10:46 AM   #11
PhantomWJ
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Quote:
Originally Posted by skain8 View Post
^^ invest in some clevis pins to replace the stock supplied pins.

Attachment 231370

I will have to grab a set...I have had that tape on there since February...
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Unread 05-18-2011, 11:44 AM   #12
smunns
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My tires and exhaust must be loud because I don't ever hear my JKS QD's clunk.
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Unread 05-18-2011, 12:26 PM   #13
KDog223
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Man, I don't know what you guys are talking about with the RC disco's not clunking. Mine were so bad (loud) that I took them off.
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Unread 05-18-2011, 01:06 PM   #14
WillMcD
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My jks discos dont clunk at all. Not near as much as my RC ones did.

This is why I replaced the RC discos.


On top of that I find the JKS discos ALOT easier to disconnect and connect.
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Unread 05-18-2011, 01:33 PM   #15
billzcat1
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Oh yeah, the disconnect/reconnect function of the JKS is shockingly easy. The clunking isn't really "that bad". I'll try out the RCs and compare. Seems like there's no perfect product here, but hopefully the RCs are better-mannered for street driving (where 95%+ of my driving occurs)
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