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Weird rhythmic bump

  #1  
Old 11-27-2018, 05:10 PM
harrisriley
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Default Weird rhythmic bump

So just recently I noticed a weird rethmic bump in my truck that seems to be coming from the rear end. The truck is a 2wd non limited slip diff. At first I thought the truck had a broken axle but after putting it in the air and spinning one side tire the other turned the opposite direction like normal. I then put the truck under its own power and at idle only one tire rotated. Iím not to sure if thatís normal but again both tires rotated when in park. I also checked both sides for any sign of dragging but couldnít feel anything abnormal. My only guess is it is something in the front end but I donít feel in vibration or jerking in the steering wheel. The bump is almost like someone tied a board to the rim of my tire and Iím constantly running over it because it increases with speed.
 
  #2  
Old 11-27-2018, 06:51 PM
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HeyYou
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Sounds like shifted belt, or separated tread in one of the rear tires. Put it up again, and run your hand along the tread of the tire. A bump like that, you should be able to feel it pretty easy.
 
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Old 05-10-2019, 06:07 PM
harrisriley
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this is a little late but i did find what the issue was. my front right tire had a separated belt and tread and ended up letting go on the highway. luckily it caused no damage other than needing a new tire. a few weeks later I discovered that the front left tire was nearing the same fat, with a large bulge in the tread from where there was separation and noticed that the tread pattern was a little wavy side to side. im glad i caught it when i did or else that truck may have found an early grave on the highway.
 

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