Thumping Noise

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Sep 21, 2008 | 11:00 AM

NV250

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Thumping Noise

For the last month or so, my F-250 v10 4x4 with 8" lift has been making this terrible thumping noise when I drive over any kind of bump or make a hard turn. The noise is coming from right under my feet .It has been getting continually worse, however, I was able to trace part of the sound to the steering box, which does thump and groan when I turn the wheels. However, I do not see how this can be the only problem since my truck thumps when I hit a bump. It feels much more severe than just A steering box. Anyway, I'll try replacing the box first, then see what happens. I know it is not the leaf springs or cv joints. Possibly a bad joint somewhere else? Has anyone had a similar experience?

Sep 21, 2008 | 12:07 PM

rebelyell618

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From: Llano and Huntsville, TX

i would look at the sway bar end links, that was where my thump came from when i turn the wheel.

Sep 23, 2008 | 09:10 AM

NV250

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Thanks for the reply. After working on my truck, I was able to trace the problem to the steering box. I think that is it.

Sep 23, 2008 | 11:16 AM

ynevada

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so a new box fixed it?
i was going to suggest the body mount. ive seen several truck where the mount just below the drivers feet gets loose. and lets the cab bounce slightly.

also a bad shock. sometimes they'll come apart internally, and make all sorts of noises...

Sep 23, 2008 | 02:59 PM

NV250

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Really? I'll be sure to check that out. I actually have not replaced the box yet, but it is definately bad. How would you replace a body mount?

Sep 23, 2008 | 05:30 PM

ynevada

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Quote:

Originally Posted by NV250

Really? I'll be sure to check that out. I actually have not replaced the box yet, but it is definately bad. How would you replace a body mount?

might be that the bolt has just come loose.

Sep 23, 2008 | 11:11 PM

NV250

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I guess I was wrong. I brought the truck into the shop and it turns out it was a stripped bolt which holds the traction bar, so the bar was not being held in place. That was a huge relief. I guess the sound was only traveling into the steering box.