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Author Topic: Clonking type sound coming from the rear...  (Read 3223 times)

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tunnie

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Re: Clonking type sound coming from the rear...
« Reply #15 on: 20 May 2015, 10:59:15 »

Interesting you post this, was thinking of doing similar. Have same with my 2.2...

Go over a speed bump (a full width of road type one) and it's fine no noise. But over rought pot hole ridden stuff, particularly on the start of my run, I get a rumbling/knocking noise from one corner.

I need to check the spring is ok, but wondering if it was rear donut bush. As they are original to the car  ::)

Reading this chain though, shock mount could make sense. As I was typing this reply, I searched for threads on me ordering shocks on the 2.2. Found some, from 2008  :o

So they are a little older than I think  ;D
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aaronjb

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Re: Clonking type sound coming from the rear...
« Reply #16 on: 20 May 2015, 12:50:43 »

Tunnie, my bet would be on anti-roll bar mounts with your description.. a full width pot hole (hit straight on) will cause the whole bar to go up and down in unison with very little torsional load on it; a pot hole or other object that causes a single side deflection will twist the ARB and cause it to bang on one side if the mounts are loose/broken/etc..
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tunnie

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Re: Clonking type sound coming from the rear...
« Reply #17 on: 20 May 2015, 13:18:52 »

Tunnie, my bet would be on anti-roll bar mounts with your description.. a full width pot hole (hit straight on) will cause the whole bar to go up and down in unison with very little torsional load on it; a pot hole or other object that causes a single side deflection will twist the ARB and cause it to bang on one side if the mounts are loose/broken/etc..

Cheers, sounds spot on.  :y There are full size speed bumps leaving work = No Sound. Rough roads near home = Knocking.

More I think about, more it does sound like front droplink noise but from the rear.

ECP have some, £15, but 6 week order time.  :o

Will check out AGP I think.
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