cluncking noise when driving on rough roads - Ford Powerstroke Diesel Forum
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post #1 of 9 Old 05-15-2013, 06:32 PM Thread Starter
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cluncking noise when driving on rough roads

Hello again,
Everyone I have another question about my 2004 f350. Whenever I drive down any rough gravel roads I can always hear (and generally feel) something making a clunking noise coming from somewhere under my feet. At first I thought that something in the suspension was maybe missing a rubber grommet but I could not find and obvious problems when I looked. Has anyone else had this problem?

Thanks in advance
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post #2 of 9 Old 05-16-2013, 05:26 AM
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Yes, I had this problem on my 04 f350. It is more than likely the sway bar and end link bushings worn out. Check out energy suspension they make a polyurethane bushing kit that is pretty cheap and easy to install. The knock/clunk went away as soon as I replaced mine. If you put a wrench on the lower end link and can move the sway bar up and down a fair amount it's time for bushings!
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post #3 of 9 Old 05-16-2013, 06:12 PM Thread Starter
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I am not sure if this is exactly what you're talking about but when I crawled under the pickup today I noticed that I could move this bar (marked by the red arrow) fairly easily back and forth. Is this the piece that would probably need new bushings?

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post #4 of 9 Old 05-16-2013, 07:35 PM
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Actually the one I was referring to was the sway bar behind the front axle toward the center of the truck. I believe what's in your photos is the track bar maybe. But it should also be fairly tight and no slop. I haven't done anything on that bar myself as far as bushings but if I'm not mistaken track bar is more relative to steering/handling. The sway bar would create the bang or clunk noise during the suspension action.

Check the bar behind the front axle and the two dogbone links on the end of it for slop and go from there. Maybe someone with a better understanding of the front end on these trucks will chime in for you. I'm just suggesting what had worked for me! Good luck.
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post #5 of 9 Old 05-16-2013, 09:02 PM
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Quote:
Originally Posted by BobD981 View Post
Actually the one I was referring to was the sway bar behind the front axle toward the center of the truck. I believe what's in your photos is the track bar maybe. But it should also be fairly tight and no slop. I haven't done anything on that bar myself as far as bushings but if I'm not mistaken track bar is more relative to steering/handling. The sway bar would create the bang or clunk noise during the suspension action.

Check the bar behind the front axle and the two dogbone links on the end of it for slop and go from there. Maybe someone with a better understanding of the front end on these trucks will chime in for you. I'm just suggesting what had worked for me! Good luck.
I agree, check the sway bar bushings and end links with the truck parked on level ground with the wheels straight.

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post #6 of 9 Old 05-17-2013, 08:37 PM Thread Starter
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I crawled under my pickup again today and found the sway bar this time. I was able to rotate the end links that run vertically from the sway bar each back and fourth with one hand. ( I tried to take a video but it wouldn't upload to this website) If I do buy new bushings for the end links should I also buy some new bushings for the track rod also? I found each set on Amazon so it would make sense to combine shipping.
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Last edited by Ford_Fan1; 05-17-2013 at 09:06 PM.
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post #7 of 9 Old 05-18-2013, 07:13 AM
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Your last picture shows that it is worn out. With a bit more flex that would clunk. Anytime you have side to side or outward to the thread movement in a steering or suspension part it needs replacing. If your steering link just rolls, that is OK.

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post #8 of 9 Old 05-19-2013, 10:50 AM
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You can buy a sway bar/end link bushing set direct from energy suspension. You can also buy complete end links from them. They have many options available just google them. I'm happy with mine, install wasn't bad but you will need a press to remove the old end link bushings.
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post #9 of 9 Old 06-30-2013, 11:52 AM
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I had this problem with my '04 F350. I found the rubber bushings where the sway bare is mounted to the back of the front axle were wore out. I replaced these and the clunk in my truck went away.
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