"thunk" in drivers side floorboard - Ford Powerstroke Diesel Forum
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Old 08-17-2012, 09:20 AM
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"thunk" in drivers side floorboard

I can feel a hard thunk under my feet when I hit bumps and dips in the road. I just replaced the bushings in the sway bar and end links. Any help would be great. It's a 2004 f250 crew cab 4x4 with 148k
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Old 08-17-2012, 09:24 AM
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I have the same thunk you speak of. I replaced all sway bar bushings as well and it seemed to cure it for a little while but appears that It's back. The next thing I can think to try is shocks.

Sent from my Autoguide iPhone app
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Old 08-17-2012, 09:28 AM
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That was my next thought as well. I'm going to be putting on a leveling kit soon and replacing the shocks with it too. Hoping that this will fix it.
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Old 08-17-2012, 09:14 PM
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Night shift bump
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Old 08-18-2012, 03:38 PM
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I had the same thunk....the bottom bolt on my driver side shock was loose and about to fall off...tightened it up and noise went away.
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Old 08-18-2012, 05:17 PM
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I have the same thing, My body mounts aren't tight. The bonehead who did my first stud job must not have felt like tightening them should be included in the thousands I gave him
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Old 08-21-2012, 08:48 PM
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my thud was caused by bad tie rod ends. There was excessive play in both ends (up and down)...I replaced them with new MOOG ones got an alignment....after a week with no issues its back. Both new tie rods have up and down play in them.....causing a THUD when I go over bumps
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Old 08-23-2012, 05:03 AM
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After replacing my tie rod ends.....I started to hear the "thuds" again but they were not a loud as before.

After scratching my head for a couple of weeks....I believe I have found the second reason for the "thuds".

I believe my front hub bearing are bad. The reason I believe this, I can move my front axle shaft (at the U-joints) up and down...which also made the "thud" sound.

I'm going to replace my bearing next week...I will let you know if it fix it.

Damon
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Old 08-24-2012, 10:32 AM
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Quote:
Originally Posted by new2fossil View Post
After replacing my tie rod ends.....I started to hear the "thuds" again but they were not a loud as before.

After scratching my head for a couple of weeks....I believe I have found the second reason for the "thuds".

I believe my front hub bearing are bad. The reason I believe this, I can move my front axle shaft (at the U-joints) up and down...which also made the "thud" sound.

I'm going to replace my bearing next week...I will let you know if it fix it.

Damon
Isn't there supposed to be a little bit of play in the u-joints?

Quote:
Originally Posted by new2fossil View Post
my thud was caused by bad tie rod ends. There was excessive play in both ends (up and down)...I replaced them with new MOOG ones got an alignment....after a week with no issues its back. Both new tie rods have up and down play in them.....causing a THUD when I go over bumps
Already bad! geez. I got my tie rod ends aligment and body mounts done all at the same time.
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