Teraflex Long Arm - Improper Control Arm Fitment - JKowners.com : Jeep Wrangler JK Forum
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post #1 of 14 Old 05-01-2017, 07:57 PM Thread Starter
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Thumbs up Teraflex Long Arm - Improper Control Arm Fitment

Looking for some help or suggestions on troubleshooting a current issue on my JKU.

The situation as it stands... 4.5 Teraflex Long Arm Lift Kit installed by installer months ago. Was torquing down bolts and greasing control arms when I found the front passenger upper control arm to be looking a bit different than the rest. After a closer inspection, I find the control arm has a sticker on it saying "Sticker faces UP". But you guessed it, this sticker is facing down.
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I removed the control arm and attempted to flip it so the sticker was indeed facing up. But ran into the issue of it wasn't fitting correctly at all. I moved the grease fitting in the process.
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To attempt to give you a visual of what the control arms look like installed the way they are now... (Birds Eye View)

-------O--------------------- <Axle
-------|----------------|
-------|----------------|
-------|----------------|
------/----------------/
-----/----------------/
----o----------------o < Frame Mounts

Proper Geometry would look similar to the below...
-------O--------------------- <Axle
-------|----------------|
-------|----------------|
-------|----------------|
------/-----------------\
-----/-------------------\
----o---------------------o < Frame Mounts

While my super awesome renderings are elementary at best, I hope you get the idea of what we're dealing with.

I measured the brackets that are welded in and they measure out to be similar, but not exactly the same. In regards to distances and placement on the frame. But we're talking 1/16" of an inch difference.

My questions are...
What if anything does this affect as far as performance of the suspension?
Suggested troubleshooting steps to pinpoint possible mis-alignments?
Suggested remedies for proper alignment?

Any suggestions or assistance is welcomed.

08 JKU
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post #2 of 14 Old 05-01-2017, 08:47 PM
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Switch the control arms side to side.

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post #3 of 14 Old 05-01-2017, 09:10 PM
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Teraflex Long Arm - Improper Control Arm Fitment

Correct. Fwiw, on my '09 I experienced short front upper frame side bushing life. Caused by the smallish bushings being over stressed and the heat from nearby exhaust components. I got some insulation material from Summit and applied it to the brackets. It helped quite a bit. On a tip from the Teraflex guys at last years EJS I ditched the upper flex joints assemblies completely and replaced them with Teraflex's clevite joints. So far no more issues, and no loss of flex.


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'09 JKRU. 4" Teraflex long arm, Teraflex R44 housing, Teraflex / Fox Resis, Poly Performance skids, Nemesis Billy Rockers, Nemesis flares, 37" ATZ P3s on 17" 5x5.5" Trailready HDs, Spyntec hubs, Teraflex BBK, Mopar BBK master/booster, Superior front & Alloy USA rear axle shafts, CTMs, Reids, Synergy drag link & tie rod, WTOR hydro-boosted steering, 5.38s, TF Dual Rate front bar, TF bumpers, Warn Powerplant, Tom Woods shafts, AA xfer case cable, Kilby canister relo, RH4x4 cage.

Last edited by SoK66; 05-01-2017 at 09:16 PM.
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post #4 of 14 Old 05-01-2017, 09:16 PM Thread Starter
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Quote:
Originally Posted by Rb6700 View Post
Switch the control arms side to side.

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Great idea. Definitely a possibility that Teraflex labeled the incorrect control arm with passenger and the other with driver. I'll definitely give that a try tomorrow morning.

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post #5 of 14 Old 05-01-2017, 09:20 PM Thread Starter
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Quote:
Originally Posted by SoK66 View Post
Correct. Fwiw, on my '09 I experienced short front upper frame side bushing life. Caused by the smallish bushings being over stressed and the heat from nearby exhaust components. I got some insulation material from Summit and applied it to the brackets. It helped quite a bit. On a tip from the Teraflex guys at last years EJS I ditched the upper flex joints assemblies completely and replaced them with Teraflex's clevite joints. So far no more issues, and no loss of flex.


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Replacing those flex joints, doesn't sound like a bad idea. I've always wondered how reliable they are. Seems they're around $50 for one. So not too bad.

Thanks for the suggestion.

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post #6 of 14 Old 05-02-2017, 09:17 AM
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One point I meant to make, I had to clearance grind the edge of the clevite joints to get them to fit into the frame side brackets. Didn't take much but the bolt holes wouldn't line up otherwise.


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Originally Posted by 09GRNJK View Post
Replacing those flex joints, doesn't sound like a bad idea. I've always wondered how reliable they are. Seems they're around $50 for one. So not too bad.



Thanks for the suggestion.




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'09 JKRU. 4" Teraflex long arm, Teraflex R44 housing, Teraflex / Fox Resis, Poly Performance skids, Nemesis Billy Rockers, Nemesis flares, 37" ATZ P3s on 17" 5x5.5" Trailready HDs, Spyntec hubs, Teraflex BBK, Mopar BBK master/booster, Superior front & Alloy USA rear axle shafts, CTMs, Reids, Synergy drag link & tie rod, WTOR hydro-boosted steering, 5.38s, TF Dual Rate front bar, TF bumpers, Warn Powerplant, Tom Woods shafts, AA xfer case cable, Kilby canister relo, RH4x4 cage.
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post #7 of 14 Old 05-02-2017, 11:18 AM
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Looks like an offset joint. Just rotate it 180 degrees.
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post #8 of 14 Old 05-02-2017, 12:03 PM
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Quote:
Originally Posted by jason mac View Post
Looks like an offset joint. Just rotate it 180 degrees.
I was just going to say the same thing.

.

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2014 Hemi Compass


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That's Daffy, not Donald you dillweed. Get your meat wackin' ducks straight!!
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post #9 of 14 Old 05-03-2017, 03:49 PM
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Quote:
Originally Posted by jason mac View Post
Looks like an offset joint. Just rotate it 180 degrees.
Grease nipple will be on top and may be inaccessible.

'09 JKRU. 4" Teraflex long arm, Teraflex R44 housing, Teraflex / Fox Resis, Poly Performance skids, Nemesis Billy Rockers, Nemesis flares, 37" ATZ P3s on 17" 5x5.5" Trailready HDs, Spyntec hubs, Teraflex BBK, Mopar BBK master/booster, Superior front & Alloy USA rear axle shafts, CTMs, Reids, Synergy drag link & tie rod, WTOR hydro-boosted steering, 5.38s, TF Dual Rate front bar, TF bumpers, Warn Powerplant, Tom Woods shafts, AA xfer case cable, Kilby canister relo, RH4x4 cage.
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post #10 of 14 Old 05-03-2017, 03:56 PM Thread Starter
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I attempted to swap the front upper control arms but found that I would need to drop the exhaust on the drivers side to remove the frame mount bolt. Maybe a weekend project... Let's put a pin in that for now.

Then I attempted to rotate the joint 180 degrees, and install with the sticker up. While it fit better, it wasn't nearly close enough for me to feel comfortable driving it without some rubbing.

Not too sure what else might be the issue. Thinking to myself, is it really that big of an issue? I don't experience any vibrations or shakes. Drives well with my experience.

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post #11 of 14 Old 05-03-2017, 06:49 PM
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Looks like you got sent two driver side control arms instead of a driver and passenger side
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post #12 of 14 Old 05-03-2017, 08:09 PM
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Cant you rotate the whole thing 180, then the bend would be the right way and the joint would line up better? there should be a ports for grease fittings on both sides of the joint IIRC. the axle side should have an open "U" shape bracket that mounts to the bushing on the axle right?
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post #13 of 14 Old 05-03-2017, 08:34 PM
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teraflex joints are junk......you can put some metalcloak ones in there. I went through a few sets in 20k miles and they said that was "normal" depending how often you wheel. Too much work for that.
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post #14 of 14 Old 05-03-2017, 09:33 PM
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You don't have to drop the exhaust to get that bolt out.

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