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Author Topic: Knocking noise when going over rough surface  (Read 5169 times)

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stevejones

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Knocking noise when going over rough surface
« on: 30 June 2008, 16:04:37 »

I am getting a worrying knock that coincides with the front offside wheel going over any kind of bump. I thought at first I might have had something loose in the boot, but I'm pretty sure it's coming from the front wheel.

I imagine it's something to do with damper or the wheel itself? Not my strong points! Just wondered if there's anything obvious it could be - it seems to have arisen quite quickly, rather then having developed over a period of weeks/months?
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bth2bth2

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Re: Knocking noise when going over rough surface
« Reply #1 on: 30 June 2008, 16:28:55 »

could be anti role bar bushes worn.shows itself when running over small bumps/ripples.you get a damn anoying rattle or knock.
had it on my carlton.
 :y
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feeutfo

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Re: Knocking noise when going over rough surface
« Reply #2 on: 30 June 2008, 17:24:49 »

worth a search, sure i read on here a list of possibles from busted spring, drop links to loose bumper.
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tanker12uk

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Re: Knocking noise when going over rough surface
« Reply #3 on: 30 June 2008, 19:15:36 »

I would have a look at the wishbones as I have had to replace them on both of my meegas seems they like to eat them if it is them you will find that it will also wear out the inside rim of the front tyres you will need to put the car on full lock to check them it nearly cost me a few points some years back as the front o/s wishbone was well worn and I had the dread clunk on bumps and pot holes and when I was stopped in a random check the inside edge of the tyre was down to the canvas I have never been so embarrassed so now I check monthly [paronoid to right] its safer  :-[
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trebor

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Re: Knocking noise when going over rough surface
« Reply #4 on: 30 June 2008, 19:59:17 »

Quote
I would have a look at the wishbones as I have had to replace them on both of my meegas seems they like to eat them if it is them you will find that it will also wear out the inside rim of the front tyres you will need to put the car on full lock to check them it nearly cost me a few points some years back as the front o/s wishbone was well worn and I had the dread clunk on bumps and pot holes and when I was stopped in a random check the inside edge of the tyre was down to the canvas I have never been so embarrassed so now I check monthly [paronoid to right] its safer  :-[

MUst get my wishbones done as I going through tyres on the inside - the tracking has been done. And I get a clunk when turning the steering wheel.
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Darth Loo-knee

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Re: Knocking noise when going over rough surface
« Reply #5 on: 30 June 2008, 20:13:31 »

Sounds like droplinks mate if when going over bumps you get a knocking sound.
About £20 off Flea bay, about an hour to fit the pair :y
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bigall

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Re: Knocking noise when going over rough surface
« Reply #6 on: 30 June 2008, 20:43:14 »

agreed drop link rather than wishbone
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platty

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Re: Knocking noise when going over rough surface
« Reply #7 on: 30 June 2008, 20:50:35 »

I had the same symptoms whenever I turned into the end of my road, noise from o/s/f when going over rough road surface.

Replaced Drop links (£20 flebay) and the noises were no more.

« Last Edit: 30 June 2008, 20:51:16 by platty »
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Plomien

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Re: Knocking noise when going over rough surface
« Reply #8 on: 30 June 2008, 21:14:08 »

same issue here drop links sorted it
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feeutfo

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Re: Knocking noise when going over rough surface
« Reply #9 on: 30 June 2008, 22:47:49 »

wear on inside. Wishbones/camber is out. Nothing do do with tracking. See wheels in motion web site for FULL geometry set up and phone for  advice prob.best.
Knocking is Drop links probably.
Seperate issues by sound of it, but wishbones tend to knock while turning wheel in my experience. Hope helps.
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Jay w

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Re: Knocking noise when going over rough surface
« Reply #10 on: 30 June 2008, 23:03:56 »

we had a customer who used to complain of a 'knocking' noise when going over rough terrain, we spent weeks going over everything.....

the noise was there, but nothing was loose or faulty or out of tolerance, it transpires the customer had bought the car from a warring couple who were going through a very bad and messy divorce.

She wanted the car, he didn't want her to have it so he dropped half a dozen large metal ball bearings into the fuel tank, these would bang around and finally sent the woman to the point where she had enough of the car and sold it just to spite the Ex.

Finally when we took the tank out we found them, boy were we relieved to get that one out of the garage
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chartz

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Re: Knocking noise when going over rough surface
« Reply #11 on: 01 July 2008, 07:14:27 »

Hello,

I too had the knocking noise. The wishbones elastic gaskets were out.
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pete1666

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Re: Knocking noise when going over rough surface
« Reply #12 on: 01 July 2008, 07:39:45 »

Hi, do the drop links first they are about £7 each and easy to do. also check the front springs as they can snap at the bottom.
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dbug

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Re: Knocking noise when going over rough surface
« Reply #13 on: 01 July 2008, 08:33:08 »

Agreed likely to be drop links - also cheapest and easiest option.
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stevejones

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Re: Knocking noise when going over rough surface
« Reply #14 on: 01 July 2008, 10:08:53 »

As usual, great info and advice. Thanks all - drop links it is! See if that sorts it ;)
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