hollow rattling

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stevenlizuk
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hollow rattling

Post by stevenlizuk »

Hi all
help with dog of a 97 xantia required please.
I have a rattle coming from the rear end which sounds as though it might have something to do with the suspension (all spheres under a year old). From inside the car it sounds like someone shaking a plastic lunchbox with a ball bearing inside it. the noise is most prevelant when the suspension is on washboard type surfaces.
Any clues?
cheers
steve
RichardW
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Post by RichardW »

Steve,
Are you sure it's coming from the rear? Sounds suspiciously like front roll bar drop links to me - unless it's an Activa in which case it will be the bush on the bottom of the rear roll bar ram.
If you're sure it's the rear, then check the wheel bolts are tight, the spare wheel is scrwed up and the jack retained, and the hatch is not rattling (just tightened the lock up on mine which cured an annoying squeak). After that all that's left really is the subframe mounts or rear arm bearings, but these don't generally make the sort of noise you are describing.
stevenlizuk
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Post by stevenlizuk »

Hi Richard
its definitely at the rear as its much louder with the seats down.
Might have to go under the car with a rubber mallet and wallop things randomly.
Steve
martyhopkirk

Post by martyhopkirk »

If in doubt... give it a clout.
Not exhause knbocking against something is it? only mine does that now as it slightly fouls a new towbar.
Dave Burns
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Post by Dave Burns »

I had the tailgate make this type of noise on my previous xant, stopped it by screwing out the rubber stops a few mill.
Dave
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noz
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Post by noz »

Exhaust rattling against something gets my vote by your description.
cheers
noz
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Panjandrum
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Post by Panjandrum »

Steve,
I guess you must have resolved this by now - what was it?
My Activa had this kind of thing twice, years ago, fixed under warranty by something to do with the rear ram.
The haunting knocking has come back again and I may have to tackle it myself this time - so clues appreciated.
Gerry
wrinklet1
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Post by wrinklet1 »

Are the rear subframe mounts tight or worn?
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wotsupnow
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Post by wotsupnow »

I would second Dave Burns here, I shook everything I could shake under the back looking for a rattle, then I noticed when I shut the tailgate I could press it down whilst shut making a similar knocking sound, the doesn't appear to be any adjustment on the catch as it's spring loaded but like Dave said, adjusting the two rubber stops either side of the bottom of the tailgate cured it.
BTW Dave, are you the same D.Burns from the Doddy group ?
If so, 'mums still the word '!
Pete
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