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Old 04-07-2013, 03:40 PM
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Mystery clunks and clanks

On the highway a few hours ago I heard a loud clunk and could feel it in the floor boards. Got under and checked but didn't see anything out of place... not to familiar with these trucks as this is my first.

Something is definitely loose cause now I can hear a rattle everytime I hit a pothole or even a road reflector.

Truck drives fine, smooth, doesn't pull to one side, engine and trans seem fine, fourwheel drive fully functional.

2002 f350 cc lb, ~100k. Sound is coming from the front passenger side... I think

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Old 04-07-2013, 03:44 PM
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Sorry for not posting in 'Problems'...

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Old 04-07-2013, 04:47 PM
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Worn out sway bar bushings can cause this. Six total, including the end links.
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Old 04-07-2013, 04:53 PM
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thanks daddy (ever get tired of hearing that? :-P)

the swaybar link (dogbones) joints are pretty beat... but would this cause the abrupt sound?

truck drives fine so why worry, right!?
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Old 04-07-2013, 05:07 PM
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Pretty simple to take the swaybar off and see if it changes. Easy on the turns!
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Old 04-07-2013, 05:46 PM
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Ball joint?
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Old 04-07-2013, 06:15 PM
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Yeah it's hard to tell. Had bmw once where every balljoint and bushing was worn out. Made a lot of noise during hard driving or bumps... but it never banged or clunked all of a sudden.

Thanks for input people!
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Old 04-07-2013, 06:37 PM
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Sway bar bushings and links. I replaced mine a few years ago. Had the clunking sound come back a few weeks ago. Turns out the bolt going from the link to the sway bar on one side was loose. Tightened it up and all is good.
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Old 04-07-2013, 07:27 PM
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Or could be shock bushings,or worn out shock bolts,checked and replaced everything and was shock bolts,had only a little play but sure made a racket.
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Old 04-07-2013, 08:40 PM
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Quote:
Originally Posted by smoke on this View Post
Or could be shock bushings,or worn out shock bolts,checked and replaced everything and was shock bolts,had only a little play but sure made a racket.
Loose/worn shock bolts is pretty common. Replace them with 7/16" bolts if they are loose.
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