This is where JKS control arms fail: - JeepForum.com

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post #1 of 24 Old 10-17-2013, 06:00 PM Thread Starter
Necromancer_tat
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This is where JKS control arms fail:







Eventually the internal threads will chew themselves up and strip out, leaving you with a sliding control arm that will allow the axle to shift front to rear on one side leading to very dangerous steering!

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post #2 of 24 Old 10-17-2013, 07:15 PM
Kolak
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That doesn't look like a JKS arm. I see what looks like a urethane bushing at the axle end and JKS uses Clevite rubber.

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post #3 of 24 Old 10-17-2013, 07:52 PM
Imped
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Those aren't JKS arms. They're old Teraflex arms.

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post #4 of 24 Old 10-17-2013, 10:11 PM
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I thought you had the currie arms on your rig Necromancer?

Some say a comet will fall from the sky.
Followed by meteor showers and tidal waves.
Followed by faultlines that cannot sit still.
Followed by millions of dumbfounded dip****s.
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post #5 of 24 Old 10-18-2013, 02:43 AM Thread Starter
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Quote:
Originally Posted by Kolak View Post
That doesn't look like a JKS arm. I see what looks like a urethane bushing at the axle end and JKS uses Clevite rubber.
Thanks for pointing that out!

Quote:
Originally Posted by Imped View Post
Those aren't JKS arms. They're old Teraflex arms.
Thanks as well. How can I tell for sure? I'll ask a mod to change the threat title if theyre Teraflex.

Quote:
Originally Posted by chevy2169 View Post
I thought you had the currie arms on your rig Necromancer?
That was on project Wrong Way. I've had several Jeeps since that one. These arms are on my newest Jeep, and are soon to be replaced with Savvy arms.
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post #6 of 24 Old 10-18-2013, 03:05 AM
Kolak
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You can tell because the end ring is mounted offset to the tube on the one end. They're also thinner than the JKS arms. And Teraflex has no internal support bearing - that's why they wear out the adjuster threads from pivoting.

Here's a cutaway of a JKS arm:
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post #7 of 24 Old 10-18-2013, 05:39 AM Thread Starter
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Thanks, I'll take a better look at them when I get home from work this afternoon.
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post #8 of 24 Old 10-18-2013, 05:43 AM
Jerry Bransford
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Yep those look like the old POS Tera arms my previous TJ ran 12-13 years ago.

Getting Savvy...

When you have a choice, buy American.
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post #9 of 24 Old 10-18-2013, 06:53 AM
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Maybe this is why my rig feels loose at the moment.

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post #10 of 24 Old 10-18-2013, 12:07 PM Thread Starter
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post #11 of 24 Old 10-18-2013, 12:10 PM Thread Starter
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You guys are right, the lower control arms DO look like the Teraflex arms and not like the JKS arms.

Jerry, could you change the title for me so it says Teraflex instead of JKS?

Thanks!
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post #12 of 24 Old 10-18-2013, 12:20 PM
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I bet that's an interesting ride.
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post #13 of 24 Old 10-18-2013, 12:32 PM Thread Starter
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I bet that's an interesting ride.
Yeah, when I hit the gas the Jeep steers towards the curb, and when I let off the gas it steers into oncoming traffic...
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post #14 of 24 Old 11-30-2013, 08:18 PM Thread Starter
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post #15 of 24 Old 11-30-2013, 08:27 PM
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What is it that you're trying to say, that TF arms are crap?

That was well known 10 years ago...
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