Front Frame Brace? - JeepForum.com
 
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post #1 of 9 Old 03-30-2012, 11:06 AM Thread Starter
GSSFC
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1997 TJ Wrangler 
 
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Front Frame Brace?

I have an '88 XJ that is mildly built. I have been trying to track down a knock or pop sound coming from the front end. I noticed that when I have someone move the steering wheel back and forth that the frame mounted track bar bracket and the unibody itself flexes. I was wondering if there are any cross braces available that would attach from one side of the unibody across the front to the other unibody rail, to strengthen the frame from flexing and movement.

I have found unibody stiffeners, but not exactly what I was looking for. I would rather build my own, but was looking for a picture or product that I could see how they incorporated mounting founds.

Tim

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post #2 of 9 Old 03-30-2012, 12:27 PM
theshaolin
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Sounds like something is wrong/broken, and you're looking to bandaid the problem rather than addressing the issue.

Is the track bar mount degraded/rusty at all?

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post #3 of 9 Old 03-30-2012, 01:20 PM
Azzy
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Sounds like the trackbar may be loose at the mount, or you may have a crack behind your steering box if it is not braced.

My money is on the upper and lower track bar mounts. Check them both, and then the condition of the trackbar itself. Are all your control arms tight and your bushings good?

Im the guy who makes new gauges, check out our gallery at Teamadw.com
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post #4 of 9 Old 03-30-2012, 01:41 PM Thread Starter
GSSFC
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Quote:
Originally Posted by theshaolin View Post
Sounds like something is wrong/broken, and you're looking to bandaid the problem rather than addressing the issue.

Is the track bar mount degraded/rusty at all?
Nothing is worn or rusted. Everything is clean and tight. The track bar and bracket are heavy duty from TnT Customs. It's the thin wall of the unibody rail that is flexing.

Not trying to do a bandaid repair, trying to reinforce an apparent weakness in my vehicles structure.

Thanks, Tim
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post #5 of 9 Old 03-30-2012, 01:42 PM Thread Starter
GSSFC
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Quote:
Originally Posted by Azzy View Post
Sounds like the trackbar may be loose at the mount, or you may have a crack behind your steering box if it is not braced.

My money is on the upper and lower track bar mounts. Check them both, and then the condition of the trackbar itself. Are all your control arms tight and your bushings good?
Track bar is tight, and the track bar bracket is tight. Steering box has been braced for a long time. Control arm bushings are all tight.

You can see the unibody flex at the point where the track bar is located. It is not a looseness of anything, but rather the flex of the unibody rail.

Tim
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post #6 of 9 Old 03-30-2012, 02:01 PM
DualPurposeXJ
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get some frame stiffners http://www.hdoffroadengineering.com/...ame-stiffeners

or build a track bar brace


If you're in control you're not going fast enough - parnelli jones
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post #7 of 9 Old 03-30-2012, 05:31 PM Thread Starter
GSSFC
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I like that. Not at all what I had in mind. But much cleaner and simple.

I was thinking like a skid or something along that to box off the unibody.

Thanks. Tim
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post #8 of 9 Old 03-30-2012, 06:12 PM
Azzy
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There is always teh option of getting some 1/8"-3/16" steel and sleeving the uniframe down to the LCA mounts, and then on back to the front spring hangers.

Once done.. your getting into bulletproof area.

(edit.. 1/4" is a bit heavy...)

Im the guy who makes new gauges, check out our gallery at Teamadw.com
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post #9 of 9 Old 03-31-2012, 04:14 AM
CHASDB
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