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Lower control arms

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Old Dec 2, 2011 | 08:25 AM
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Default Lower control arms

How do you put lower control arms in? On the ground? Jacked up?

Also i have about 3 1/2 inches of lift with trimmed fenders. Will i have rubbing issues with 33's if I dont put the longer control arms in? Thanks guys.
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Old Dec 3, 2011 | 09:01 AM
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Any help??? Lol
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Old Dec 3, 2011 | 11:03 AM
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Do you have factory rims? If so, they'll probably rub.

If I were installing the LCAs, I would have a jack stand on both sides just behind the frame side mount. And have a jack to raise/lowerthe axle if needed.
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Old Dec 3, 2011 | 03:46 PM
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Originally Posted by Gee oh Dee
Do you have factory rims? If so, they'll probably rub.

If I were installing the LCAs, I would have a jack stand on both sides just behind the frame side mount. And have a jack to raise/lowerthe axle if needed.
nailed it
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Old Dec 3, 2011 | 04:20 PM
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To help align them bolts, get ratchet strap or come-along to pull the axle forward.
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Old Dec 3, 2011 | 04:40 PM
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Thanks guys. I got my 33's on and will prob put the lca's on soon but theyre really not needed i dont think.
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Old Dec 3, 2011 | 05:12 PM
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Originally Posted by XJamsoil
To help align them bolts, get ratchet strap or come-along to pull the axle forward.

You can just jack and lower the front axle.
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Old Dec 3, 2011 | 05:19 PM
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just do one side at a time, then use a jack to rotate the axle to make the bolts line up its very easy. no need to support the jeep with jackstands.
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Old Dec 3, 2011 | 05:34 PM
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Originally Posted by cherokee90
just do one side at a time, then use a jack to rotate the axle to make the bolts line up its very easy. no need to support the jeep with jackstands.
One should always use jack stands when working on a vehicle. I would never trust solely a jack. I have had one fail and the jack stands surely saved my life.
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Old Dec 4, 2011 | 12:16 AM
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if you do one lower control arm at a time the axle is still going to be supported fully.
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Old Dec 4, 2011 | 09:26 AM
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Do you install the new?replacement arms with the jeep on the ground? I was told to watch for pre-load? No idea what is meant by that.
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Old Dec 4, 2011 | 10:45 AM
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Originally Posted by 2trackin
One should always use jack stands when working on a vehicle. I would never trust solely a jack. I have had one fail and the jack stands surely saved my life.
Couple weeks ago a jack let loose and dropped a trans and tcase on my head.

Got super lucky and the tail landed right on the jack body. Otherwise I prolly wouldn't be typing this.
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Old Dec 4, 2011 | 11:50 AM
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Originally Posted by Gee oh Dee

Couple weeks ago a jack let loose and dropped a trans and tcase on my head.

Got super lucky and the tail landed right on the jack body. Otherwise I prolly wouldn't be typing this.
In that situation I keep a jackstand at a low setting to catch it if it falls. I have yet to have a jack fail but hopefully ill be prepared when it does.
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Old Dec 4, 2011 | 12:04 PM
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Pre-load is set by installing the control arm bolts loose, and then setting your jeep back on the ground before torquing the bolts down.

https://www.cherokeeforum.com/member...s/wheres-beef/

Scissor jacks are handy items when installing control arms!
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Old Dec 4, 2011 | 01:46 PM
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Originally Posted by Gregruot7
How do you put lower control arms in? On the ground? Jacked up?

Also i have about 3 1/2 inches of lift with trimmed fenders. Will i have rubbing issues with 33's if I dont put the longer control arms in? Thanks guys.
You're going to have to: use a floor jack to raise the differential and then remove the tires/rims, jack the front end up, get the body up on good, strong jackstands, high enough to take ALL the weight off the springs so that the springs can be literally lifted out by hand, remove the springs (according to a mechanic friend, NEVER use spring compressors for this job; if one of them slips and the spring gets free, it could literally kill you.)
Then remove the lower end of the track bar and steering stabilizer, old stock control arms, put in the new (preferrably poly) bushings and arms liberally lubed with silicone spray (unless you like loud squeaking), then put it all back together in reverse order. I don't know about the 33"s. Hope this helps. Good luck.
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