Rear noise

[Jori]

When i drive over bad roads with holes and bumps ( normal in belgium ) there is a noise under my care in the rear like metal hitting each other. But it's only when i brake are don't hit the gas. When i gave throttle the sound is gone? Its like there is something lose or backlash between something?
Is this a problem with my driveshaft?

Thx guys

 

[MatMan]

Search for "the clunk"

Probably the driveshaft traveling forward as you stop (as designed)

There is also a service bulletin on this condition and a solution

 

[Jori]

No it's not the clunck, it's when i drive not when i start to drive..
Or is this also when you are at speed?

 

[CoronaRaptor]

It could be that slab of steel on the frame rail that acts like a harmonic balancer, the bolts are probably really loose, most people cut it off, there is lots of info on here about it.

 

[renegadeagle]

It could be that slab of steel on the frame rail that acts like a harmonic balancer, the bolts are probably really loose, most people cut it off, there is lots of info on here about it.

Any pics??

 

[CoronaRaptor]

Any pics??

http://www.fordraptorforum.com/f5/identify-part-underside-bed-box-vibration-damper-18972/

 

[renegadeagle]

http://www.fordraptorforum.com/f5/identify-part-underside-bed-box-vibration-damper-18972/

Thanks!!