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Knocking sound

Old Dec 3, 2007 | 01:14 PM
  #1  
alisterm's Avatar
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Joined: Dec 2007
Posts: 2
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Default Knocking sound

I've got a '94 A4 Cabriolet and it's got a ghostly knocking sound, an intermittent clunk or thud that usually coincides with going over a bump. It sounds like a small hammer being knocked quite lightly on the underneath of the car. My local dealership couldn't sort it. Any ideas or similar experiences?
 
Old Dec 7, 2007 | 04:28 PM
  #2  
nemohm's Avatar
2nd Gear
Joined: Oct 2007
Posts: 965
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Default RE: Knocking sound

I'd start tests in respect of locating the sound source:
front, left, etc
There aretoo many things that could cause sounds...
 
Old Dec 7, 2007 | 04:37 PM
  #3  
njjack2's Avatar
1st Gear
Joined: Nov 2007
Posts: 22
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Default RE: Knocking sound

If you put your foot on the brake, does it go away?
 
Old Dec 12, 2007 | 12:18 PM
  #4  
dqx2001's Avatar
1st Gear
Joined: Dec 2007
Posts: 53
From:
Default RE: Knocking sound

IV HAD THIS PROBLEMWITH A FEW CARS, CHECK OUT YOUR SUSPENSION BUSHES!!!!!
 
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