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6.7L Power Stroke Diesel 2011-current Ford Powerstroke 6.7 L turbo diesel engine

Clunk under driver's floorboard

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Old Oct 5, 2010 | 06:46 PM
  #1  
my996duc1's Avatar
my996duc1
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Clunk under driver's floorboard

When turning corners hard (both left and right) I hear and feel a clunk under the driver's floorboard. It is easy to duplicate the sound and make it happen at will and it happens quite often when just driving around normally too.
First time I took it into Ford they had the truck for three days and when they finally said to come pick it up I was in a hurry to get to work. Got there and they couldn't make the noise and thought I was smoking crack. I didn't have time to mess with it then.
Second time I took it in I showed the mechanic exactly what and how to make the noise. They spent the entire morning playing with it and then ordered the shims from TSB 10-7-3.
Third time taking it in... I took it in and they installed the shims from the previous TSB. No luck, still makes the noise. They called a "hot line" and have ordered some different body mounts and bolts. We are going on day three again of them playing with this thing....

Anyone else having this problem so I can give these guys a clue to what the problem is ??

I would kinda like to have my NEW truck back.
Thanks !
 
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Old Oct 5, 2010 | 07:10 PM
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normaly on higher mileage SD's the clunk under the floorboards ends up being worn out sway bar bushings or end links...

i'd have em check to make sure your sway bar attachment points are all tight and assembled properly..
 
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Old Oct 6, 2010 | 10:04 AM
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Originally Posted by Fordfanatic4life
normaly on higher mileage SD's the clunk under the floorboards ends up being worn out sway bar bushings or end links...

i'd have em check to make sure your sway bar attachment points are all tight and assembled properly..

Yeah, I had suggested this the first trip in for repair....

Thank you for the idea. Any others ?
 
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Old Oct 8, 2010 | 02:00 AM
  #4  
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Got the truck back today.
They used an "ear" to figure out the body mount up by the driver's floorboard was the culprit. THe Ford "hotline" told them to replace it so they did and they claim the clunk is gone.
I won't be able to try it out until next week but hopefully I am done with this.
 
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Old Oct 8, 2010 | 07:50 PM
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funny that would have been my first guess. seen it befor but not a on a 6.7 yet.
 
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