4x4 Wobble

alpinewil81 · Feb 22, 2017

My 2006 1500 quad cab has a wobble when engaged in 4WD. Symptoms are near identical to a bad CV, only feels more impacting to the entire front end with the wobble. As in chassis shimmy. I've replaced the CVs, hubs, and upper control arms both sides. I also rebuilt output passenger side of front diff. Got me new lower arms and a set of eibachs to install. My wheel spacers made it worse, they are off now. Could lower control arms be the culprit or are there other suggestions?

Feedback appreciated!

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usaf2006 · Feb 22, 2017

Are you leveled? Leveling kits, aka high CV angles, are usual suspects to 4wd vibartion/wobble.

lharrell79 · Feb 22, 2017

When is the last time your tires were balanced? Unbalanced tires can create these same symptoms.

usaf2006 · Feb 22, 2017

I would think it'd be present in both 2wd and 4wd if that were the case then.

Lil_Ram · Feb 22, 2017

usaf2006 said:
I would think it'd be present in both 2wd and 4wd if that were the case then.

Mine does it as well and it's a balancing issue.

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zoomin0074 · Feb 24, 2017

Happened on mine also when I leveled it with rancho quick struts

alpinewil81 · Feb 25, 2017

usaf2006 said:
Are you leveled? Leveling kits, aka high CV angles, are usual suspects to 4wd vibartion/wobble.

Yes, I currently have blocks, but I am changing to the Bilstien 5100s in lieu. From everything Ive read, the extra expense is worth it.

One would think that a brand new, not reman, CV wouldn't experience the wobble when engaged right away. It should theoretically take a little wear first. But it wobbled as if I never replaced it. I wonder just how much play the lower ball joint has and if thats allowing it to magnify as well?

I took my spacers off because all they did was accentuate it. But now it looks dumb with my flares, so theyre going back on.

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alpinewil81 · Feb 25, 2017

lharrell79 said:
When is the last time your tires were balanced? Unbalanced tires can create these same symptoms.

They were just done, its only present in 4WD. It's more vibration through chassis than steering wheel too.

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BBRAM2500 · Feb 25, 2017

When was the last time the u-joints on the front drive shaft were done they can start to wear and give one hell of a shake

alpinewil81 · Feb 26, 2017

BBRAM2500 said:
When was the last time the u-joints on the front drive shaft were done they can start to wear and give one hell of a shake

Thats a great question. I bought the truck used as a mechanic "special" more like nightmare. I've cleared most hurdles so far but that is one thing still on my list of to do repairs. Knowing the previous owner, probably never.

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BBRAM2500 · Feb 26, 2017

Give that shaft a shake around if it's got play I'd suspect bad ujoint

alpinewil81 · Mar 6, 2017

BBRAM2500 said:
Give that shaft a shake around if it's got play I'd suspect bad ujoint

So, I didn't realize the 1500 standard duty did not have U-Joints on both ends. Instead its a serviceable high speed bushing on one end with joints at the other. That explains a lot. Time to rebuild that shaft.

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4x4 Wobble

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