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-   Custom Chassis - Drive Line - Suspension - Wheels and Tires - LIFTING - Dodge Ram 4x4, 2x4 (http://www.ramforumz.com/forumdisplay.php?f=14)
-   -   Vibration after level - am I going to kill my CV joints? (http://www.ramforumz.com/showthread.php?t=153670)

hriczko806 09-23-2013 02:42 AM

Vibration after level - am I going to kill my CV joints?
 
Ok I'm pretty sure I can answer this myself but I want others opinions. I leveled my truck with the torsion bars and now at around 65 mph I have a slight vibration. It's not all the time which made me think it could just be the roadway. Also because it's not all the time I rules out tire balance.

I looked up this symptom and it sounds like I leveled too much, I think I'm at about 1.5 in. Maybe 1.75 but I can't remember. I read that if you lift too high the cv angle will be too aggressive and cause the vibration.

So my question is has anyone run into this and if so have you lowerd it or just ran it that way? If I run it that way how fast will I ware out the CV joints.

Btw it is a 4WD. 95% of the time the 4WD is disengaged and it's just rear wheel drive.

hriczko806 09-25-2013 06:32 PM

Anyone have any input?

brandonjansen 09-25-2013 07:23 PM

First question: do you have aftermarket wheels? Second question: are they hubcentric or lug centric? Since you only have it at highway speeds, your wheels being lug centric rather than hubcentric would be my first guess.

Post a picture up of your CV shaft angles so we can see how they look. With only lifting it 1.5" you shouldn't have a problem with those at all. Especially since you aren't using 4wd at 65 mph.... I'm pretty much going to rule those out.

I wouldn't rule out tire balance though.... it's possible for a tire to be slightly out and that you're noticing it more and certain speeds. It might be worth getting those checked but first lets see if it's your wheels.

hriczko806 09-25-2013 08:57 PM

I do have aftermarket wheels. They are American Racing but im not sure what kind. They are hub-centric though.

Here are some pics of the CV Joints

http://farm8.staticflickr.com/7395/9...deb116531a.jpg
IMG_1308 by zxsix, on Flickr

http://farm3.staticflickr.com/2880/9...50ed770c00.jpg
IMG_1306 by zxsix, on Flickr

brandonjansen 09-25-2013 11:28 PM

Those don't look terrible.... The passenger side looks steeper than the drivers side though. Are you sure you lifted both side exactly the same? What are your fender heights on each side of the truck?

hriczko806 09-26-2013 09:05 AM

I should have mentioned... I'm parked on an angle in that picture. I should have taken the pic on a flat surface. When I leveled it I measured the height from floor to fender and hub to fender and they were both completely even.

In your opinion they are okay? I guess I should schedule to have my wheels balanced then.

Gantman 09-26-2013 09:44 AM

Quote:

Originally Posted by hriczko806 (Post 1207968)
I do have aftermarket wheels. They are American Racing but im not sure what kind. They are hub-centric though.

Here are some pics of the CV Joints

http://farm8.staticflickr.com/7395/9...deb116531a.jpg
IMG_1308 by zxsix, on Flickr

http://farm3.staticflickr.com/2880/9...50ed770c00.jpg
IMG_1306 by zxsix, on Flickr

Also take a look at the power steering unit as it appears to be leaking which can cause a shake as well.:smileup:

hriczko806 09-26-2013 09:47 AM

Thats interesting. I do have a small power steering leak. In the last year and a half Ive had to fill it once so its very small but it is leaking.

How would that cause it to shake?

Gantman 09-26-2013 10:01 AM

If you have ever replaced a power steering reservoir, the process of bleeding most of the air out of the system is important. If not bled properly, a soft then stiff system is intermittent while driving. With a leak, the pressure in the system is what I call a lazy condition. At low speeds you probably wouldn't notice the soft then firm transition but at highway speeds, that lazy steering response can fight itself and in turn transfer that input to the steering wheel. I just suggested that as the last thing to consider checking once you've ruled out all the obvious culprits. Great luck in your repairs bud.

hriczko806 09-26-2013 10:07 AM

Thanks thats good to know. Ill check the lug nuts, then the tire balance. If that fails ill look into the power steering pump. I should probably replace it anyway before the leak gets worse.


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