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Old 12-23-2008, 05:10 PM   #1
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Question Axle wrap?

Okay so i have a odd problem that just started recently. When in 4wd when you start to get any wheel spin the whole front axle starts shacking pretty violently and you can feel it and you can see the front wheels hopping and shacking pretty bad. It does get worse when the front wheels are turned and can get so bad it feels like the front axle is going to blow apart. I'm thinking a u joint but haven't looked real close yet. Axle wrap came to mind but it isn't leaf sprung. What do you guys think?

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flowmaster40,hpd30 with aussie locker,currie upper joints,4.88's, lca skids,chromo shafts,vanco brakes,d35 with super 35 and arb locker,re 4.5" springs,currie arms,re front uppers,Re shocks in back,walkerevens shocks up front, Re track bars with currie jj joints,anti rock,ss brake lines,re rear sway bar links,jks 1.25" bl and mml,bfg 35x12.5 km2's,craiger soft 8's,ome steering stabilizer,currie hd steering,rockmen front bumper,emp tank skid,lots more too.
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Old 12-23-2008, 05:43 PM   #2
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That's the nature of forward control arms. You cannot eliminate it, but you can dampen it.

Heavy shocks will dampen it enough to make it livable.
My brand new '03 Rubicon did it - I tried climbing some dirt hills behind my house on the way home new. It wheel hopped. I took it back and yelled at the dealership. There was nothing they could do.

I put on good stiff shocks at a friend's shop, it helped immensely. Then I drove it home.
Since then I've noticed some TJ's do it, some don't, some worse than others.

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Old 12-23-2008, 06:11 PM   #3
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Well it always had a little but after alot of playing in the snow it has gotton really bad to the point you say oh shit it's coming appart.
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99 sahara
4.0/np231/ax15/d30/d35
flowmaster40,hpd30 with aussie locker,currie upper joints,4.88's, lca skids,chromo shafts,vanco brakes,d35 with super 35 and arb locker,re 4.5" springs,currie arms,re front uppers,Re shocks in back,walkerevens shocks up front, Re track bars with currie jj joints,anti rock,ss brake lines,re rear sway bar links,jks 1.25" bl and mml,bfg 35x12.5 km2's,craiger soft 8's,ome steering stabilizer,currie hd steering,rockmen front bumper,emp tank skid,lots more too.
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Old 12-23-2008, 06:56 PM   #4
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are you talking about wheel hop or are your front tires wiggling back n forth.....could need a new stabilizer shock
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Old 12-23-2008, 07:21 PM   #5
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stabilizer is new not wheel hop just massive shacking in all dirrections
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99 sahara
4.0/np231/ax15/d30/d35
flowmaster40,hpd30 with aussie locker,currie upper joints,4.88's, lca skids,chromo shafts,vanco brakes,d35 with super 35 and arb locker,re 4.5" springs,currie arms,re front uppers,Re shocks in back,walkerevens shocks up front, Re track bars with currie jj joints,anti rock,ss brake lines,re rear sway bar links,jks 1.25" bl and mml,bfg 35x12.5 km2's,craiger soft 8's,ome steering stabilizer,currie hd steering,rockmen front bumper,emp tank skid,lots more too.
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Old 12-23-2008, 07:22 PM   #6
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Since it's getting worse it's not just the design.
Something's getting loose, and looser, and --.
Bushings maybe?
It could even be the control arm brackets where they are welded onto the axle or frame for the control arms. The welds break and/or the thin metal fatigues, cracks, then breaks.

Try the "Poor Man's Magnaflux" trick - spray a THIN coating of flat black paint on the brackets, welds etc, anywhere you suspect a crack might be developing. Then take it for a ride.
A crack usually has steel dust deep inside it - it sluffs off onto the outside onto the paint while you drive. After sitting overnight that steel dust rusts - especially if it's damp outside - or parked on wet grass.

Next morning look for a thin bright orange line on your flat black paint - there's the crack!

Don't forget the "tower" that the right control arm attaches to the axle with. They are famous for snapping off.
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Old 12-23-2008, 07:49 PM   #7
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well ive looked at all he brackets over the summer and they were good but ill take a look at them
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99 sahara
4.0/np231/ax15/d30/d35
flowmaster40,hpd30 with aussie locker,currie upper joints,4.88's, lca skids,chromo shafts,vanco brakes,d35 with super 35 and arb locker,re 4.5" springs,currie arms,re front uppers,Re shocks in back,walkerevens shocks up front, Re track bars with currie jj joints,anti rock,ss brake lines,re rear sway bar links,jks 1.25" bl and mml,bfg 35x12.5 km2's,craiger soft 8's,ome steering stabilizer,currie hd steering,rockmen front bumper,emp tank skid,lots more too.
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Old 12-24-2008, 09:44 AM   #8
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your shocks wearing out would increase it. i had a 99 dodge that was reall bad about wheel hop in the front. id check all your suspension links (track bar etc.) and then look for some new shocks up front.
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Old 12-24-2008, 09:55 AM   #9
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ya the shocks are beat they were never replaced. I was going to wait till i bought the lift to get the shocks.
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99 sahara
4.0/np231/ax15/d30/d35
flowmaster40,hpd30 with aussie locker,currie upper joints,4.88's, lca skids,chromo shafts,vanco brakes,d35 with super 35 and arb locker,re 4.5" springs,currie arms,re front uppers,Re shocks in back,walkerevens shocks up front, Re track bars with currie jj joints,anti rock,ss brake lines,re rear sway bar links,jks 1.25" bl and mml,bfg 35x12.5 km2's,craiger soft 8's,ome steering stabilizer,currie hd steering,rockmen front bumper,emp tank skid,lots more too.
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Old 12-24-2008, 12:49 PM   #10
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if i were abetting man, (and i am) my money would go on shocks then.
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Old 12-24-2008, 01:26 PM   #11
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Quote:
Originally Posted by 4.0l sahara View Post
ya the shocks are beat they were never replaced. I was going to wait till i bought the lift to get the shocks.
what lift are you planning on getting? get it now or if it doesnt come with shocks then just get long shocks now so you dont have to get new shocks twice. Now your springs will fly out if you flex it but i'd imagine you can stay on the road till u get the lift kit?
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Old 12-24-2008, 01:46 PM   #12
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Just buy some cheapy stock replacements to hold you over... or buy some decent ones second hand on craigslist or something.
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Old 12-24-2008, 02:26 PM   #13
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what lift are you planning on getting? get it now or if it doesnt come with shocks then just get long shocks now so you dont have to get new shocks twice. Now your springs will fly out if you flex it but i'd imagine you can stay on the road till u get the lift kit?
For the lift a 4.5" RE sf kit. Could i run 4to5" longer shocks at stock ride hight? I would think they would bottom out.
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99 sahara
4.0/np231/ax15/d30/d35
flowmaster40,hpd30 with aussie locker,currie upper joints,4.88's, lca skids,chromo shafts,vanco brakes,d35 with super 35 and arb locker,re 4.5" springs,currie arms,re front uppers,Re shocks in back,walkerevens shocks up front, Re track bars with currie jj joints,anti rock,ss brake lines,re rear sway bar links,jks 1.25" bl and mml,bfg 35x12.5 km2's,craiger soft 8's,ome steering stabilizer,currie hd steering,rockmen front bumper,emp tank skid,lots more too.
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Old 12-24-2008, 02:28 PM   #14
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I would love to buy it right now but dont have all the cash yet but i did get a new job that im starting soon so ill have some fresh cash to play with.
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99 sahara
4.0/np231/ax15/d30/d35
flowmaster40,hpd30 with aussie locker,currie upper joints,4.88's, lca skids,chromo shafts,vanco brakes,d35 with super 35 and arb locker,re 4.5" springs,currie arms,re front uppers,Re shocks in back,walkerevens shocks up front, Re track bars with currie jj joints,anti rock,ss brake lines,re rear sway bar links,jks 1.25" bl and mml,bfg 35x12.5 km2's,craiger soft 8's,ome steering stabilizer,currie hd steering,rockmen front bumper,emp tank skid,lots more too.
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Old 12-24-2008, 03:02 PM   #15
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you can install 4" shocks on stock, they will bottom out much lower but it will be okay for the road.
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Old 12-25-2008, 04:11 PM   #16
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Also check to make sure your tack bar is tight. Really tight.
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Old 12-26-2008, 12:22 AM   #17
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track bar=99.9% of all steering and suspension problems usually

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