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thumping from tires

Old Feb 17, 2013 | 07:34 PM
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Ok here we go. Im getting thumping from my front tires. The balljoints and cv axles were bad. I replaced them. Still getting the thumping sound. The tires are 6 months old. Im ar a loss right now. I have no clue what it.could be. Any input would be awesome. Thanks tim.
 
Old Feb 17, 2013 | 09:21 PM
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Thumping could be an unbalanced tire.
 
Old Feb 17, 2013 | 09:26 PM
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Need more info, whats the vehicle. and the thumping...loud, can you feel or hear it, does it get worse with speed or better. A good check would be to jack up the front, when looking at the wheel grab at the 3:00 and 9:00 position and try to turn the wheel as if making a corner, so pull out at the 3:00 and push as the 9:00 then the other way. does it have any play?
 
Old Feb 18, 2013 | 09:31 AM
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Its 2002 blazer ls 4x4 4 door. I can hear it no shake or anything. Gets worse as i speed up. Thats why im guessing the tire. Like the rotation. Im about to jack it up and ill let you know. Iv had a hub go out on me before doesnt really seem like it
 
Old Feb 18, 2013 | 09:33 AM
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Ohh and my best guess its the drivers side
 
Old Feb 18, 2013 | 12:22 PM
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Well both sides play at 3 and 9. Quite a bit actually. Kar what could this be? Thanks again
Forgot to say when i did this i looked at rhe tierods and they were moving. Or could it be my pitman and idler arm?
 

Last edited by timmyb; Feb 18, 2013 at 12:54 PM.
Old Feb 18, 2013 | 02:57 PM
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The idler arm is a pretty common wear item. Try rotating the tires to eliminate them as a problem.
 
Old Feb 18, 2013 | 03:03 PM
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Alright im going to get out there right now. Ill let you guys know.
 
Old Feb 18, 2013 | 05:59 PM
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Could be cupping of the tires.... Mine unfortunately did that before I lowered it because my shocks were worn out. The inside of the tire will have high and low spots on it if you rub your hand around it. Nothing you can do except let the tires wear or get new ones. Lets us know what ya find out! 😁
 
Old Feb 18, 2013 | 07:28 PM
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Yeah im going to get back out there tomorrow. Raining like crazy so much for snow in feb. So your talking about the two inner treds right?
 

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