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Old 16-02-2011   #1
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Knocking noise louder when corning over bumps

I get a knocking noise when I go over a bump but gets louder if I hit a bump when cornering. Its is only a knock usually and not a CV knocking noise. Also when I am going round a roundabout the car kind of swerves a slight bit to the right. I have had two new wishbones fitted and has helped the problem slightly. Does anyone have an idea if it will be a drop link or the strut mounting bush? Any ideas are welcome. Its driving me crazy.
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Old 17-02-2011   #2
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Re: Knocking noise louder when corning over bumps

I had the same sort of knock every time I went round a corner and hit a bump and it stopped once I had changed the wishbones and the drop links, one other thing to check is the subframe to chassis leg bolt. If it's loose it will eventually fall out as it's upside down! I know this as it happened on the way into work this morning

Hope this helps

Lee
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Old 17-02-2011   #3
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Re: Knocking noise louder when corning over bumps

Ball joint has gone. You need a new arm
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Old 17-02-2011   #4
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Re: Knocking noise louder when corning over bumps

Thanks for the replys. I went out and bought a new drop link today. I could get the old one off but I couldnt get new one one. Is there a certain way to do this? I got two new wishbone fitted 2 weeks ago and thought this would solve the problem but didn't. I also notice that the track rod end rubber is split. Could this be source of noise? Are they easy to fit ot do I risk snapping things? Also I drove it a short distance without the drop links and the noise was still there!! Aaargh.
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Old 20-02-2011   #5
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Re: Knocking noise louder when corning over bumps

hi,
did you find out what the cause was in the end? I seem to have the same problem on my multipla.
cheers
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Old 20-02-2011   #6
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Re: Knocking noise louder when corning over bumps

Not yet. I am going to replace the track rod arms as the rubbers are cracked. Iam hoping this will solve the prob. I will update you when I get the chance to change them.
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Old 22-02-2011   #7
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Re: Knocking noise louder when corning over bumps

What type of car is it? It could also be the shock absorber pressure bearing (hope that's how it's called). That's mounted on the top of the shock absorber, and let's the shock absorber turn when you're cornering.
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Old 22-02-2011   #8
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Re: Knocking noise louder when corning over bumps

Hi. Its a Fiat Bravo 1.6 1997 model. How do you test if it is that bearing?
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Old 24-02-2011   #9
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Re: Knocking noise louder when corning over bumps

You could put the front of the car on axle stands, take off the wheel and jolt the top part of the shock absorber a bit, to see if it has any play (this will work if it has a lot of play) or a bit complicated, take of the direction track rod and move the assembly from left to right, to see if you spot any play.
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Old 26-02-2011   #10
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Re: Knocking noise louder when corning over bumps

hey there! i also had this problem it may not be the result in all cases but i replaced my hub carrier-to strut bolts and that cured it they wear quite badly after a while!
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Old 26-02-2011   #11
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Re: Knocking noise louder when corning over bumps

Hi Mikey. Thanks for the advice. When I took my car to the garage several months back he mentioned the bolt was loose and he tightened it. THe noise died down but came back a month later so the bolts could be knacked. Do you know the sizes of the bolt?
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Old 03-03-2011   #12
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Re: Knocking noise louder when corning over bumps

Erm don't quote me on it but I recall m12 you need nylocks too! As for length you'll have to measure it
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