Vibration no one can find
Discussion in 'Trucks [ Eighteen Wheelers ]' started by hrdman2luv, Apr 24, 2010.
Page 8 of 11
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Here is a website with some info how to measure driveline angles.
http://www.drivetrain.com/parts_catalog/drivetrain/driveline_angles_and_phasing_problems.html -
have u had a vibration analyzer put on it and drove?
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NO, I haven't. It looks like I'm going to have to when I get the money.
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Ok I'm not going to say the problem was found....But I think I've located it.
I called the place that did my alignment, because some of the measurements I took with my tape measure wasn't coming out right from one tire to the next. I talked to the guy that did it. He dismissed the off measurements but asked me if I'd ever had the hubs spun?
LOL, to make a long story short, I took it by there. He jacked it up and stuck this contraption against the front left tire.
What it did, was spin the tire really fast. When that tire started spinning, the whole front end of that truck started shaking like a friggin earthquake.. He did the same thing with the right front steer, and it shook some, but not near as much as the left. He said the left front was just a bad tire. The right front steer could possibly be balanced.
I hope I hope I hope this is fixed.
Now the challenge is getting the T/A to give me some warranty... I've got about 60,000 to 80,000 miles on them. -
Should make it a lot better even if it isn't all of the problem.
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Thats true.. What was funny, was those tires spun true, needing no weights when I bought them just 6 months ago. And they haven't started showing much signs of adverse wear until here lately.
I took some video of it. I'm trying to figure out how to get it online... -
I've had car tires do it before. They usually told me it had thrown a belt. Or broken one. Like the steel bands had slipped or broken inside.
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Here's the video.
At the first of it, notice, the right steer is sitting on the ground. Notice the shaking.
When I go to the other side, you really can't see it shaking unless you watch the bottom of the bumper. Bad cell phone video.
http://www.youtube.com/watch?v=irpJLNErgtE -
you sure its not the drums? I thought you mentioned you had the tires balanced and the shake didn't go away..
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