Rattling in the trunk...what's going on? - Suspension and Brake Forum

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Rattling in the trunk...what's going on?
Tuesday, May 06, 2008 1:41 AM
Whenever I'm driving at slow speeds over any type of rough road (doesn't even have to be bumpy, just rough), I get a hollow rattling sound, almost like 2 boards clanking together. A kind of muffled noise. I read on here that it probably meant I had bad strut mounts, so I replaced them, the noise might have gone away for about a week or so (or it might have just been my imagination), but then it came back. Then I got rear-ended, car got fixed, I got it back, again the noise was gone for a couple days. Now it's back.

I took both struts off the car today just to try and figure out what keeps making the noise, everything looked nice and tight. Took the mounts off, they didn't look broken or anything. Put everything back together, tightened it all up, noise was still there.

Could the new mounts have failed that quickly, or is something else wrong? The struts are original with 60,000 miles on them and don't appear to be blown.


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2000 Cavalier Coupe, 68k miles, 2.2 Auto, Silver (his)
1999 Cavalier Sedan, 135k miles, 2.2 Auto, White (hers)

Re: Rattling in the trunk...what's going on?
Tuesday, May 06, 2008 1:41 AM
I'm talking about the rear struts, not the fronts.


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2000 Cavalier Coupe, 68k miles, 2.2 Auto, Silver (his)
1999 Cavalier Sedan, 135k miles, 2.2 Auto, White (hers)
Re: Rattling in the trunk...what's going on?
Tuesday, May 06, 2008 1:56 AM
Ride quality is not effected by the noise. Not bouncy or stuff or anything, it feels the way it always has. Just won't stop making that annoying noise.


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2000 Cavalier Coupe, 68k miles, 2.2 Auto, Silver (his)
1999 Cavalier Sedan, 135k miles, 2.2 Auto, White (hers)
Re: Rattling in the trunk...what's going on?
Tuesday, May 06, 2008 5:47 AM
Weird. Did you check to ensure the spare tire and jack are all secured where they should be?




Re: Rattling in the trunk...what's going on?
Tuesday, May 06, 2008 9:14 AM
Id also check trunk alignment make sure its tightly closed, and see if the trunk internal handle isnt hitting
also check your speakers sometimes the plastic brackets come loose


http://www.cardomain.com/ride/2267189
Re: Rattling in the trunk...what's going on?
Tuesday, May 06, 2008 11:18 AM
loose lumber noise in the rear = bad rear strut mounts






Re: Rattling in the trunk...what's going on?
Tuesday, May 06, 2008 12:32 PM
You're saying they failed in less than 2 weeks? Damn.


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2000 Cavalier Coupe, 68k miles, 2.2 Auto, Silver (his)
1999 Cavalier Sedan, 135k miles, 2.2 Auto, White (hers)
Re: Rattling in the trunk...what's going on?
Tuesday, May 06, 2008 1:08 PM
its very possible yes

also at 60k , the stock struts/shocks are wasted

might also wanna check the rear package tray , make sure nothing is loose , like the speakers , or the metal itself , you can also eliminate things as possible issues , by taking stuff out of the car







Re: Rattling in the trunk...what's going on?
Friday, May 09, 2008 8:48 AM
Re: Rattling in the trunk...what's going on?
Tuesday, May 13, 2008 8:14 AM
everytime i get that rattling noise in my trunk i replace the rear mounts and everytime the noise goes away lol


Visit me on Cardomain
Re: Rattling in the trunk...what's going on?
Tuesday, May 13, 2008 10:41 AM
I've never replaced my rear mounts. They were shot so we packed washers around the rubber part and it's held together for years.





Re: Rattling in the trunk...what's going on?
Tuesday, May 13, 2008 2:04 PM
What do you mean packed washers around the rubber part?

And the noise appears to be less in warmer temperatures; it's most noticeable when it's cold. Don't know if this means anything important.


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2000 Cavalier Coupe, 68k miles, 2.2 Auto, Silver (his)
1999 Cavalier Sedan, 135k miles, 2.2 Auto, White (hers)
Re: Rattling in the trunk...what's going on?
Tuesday, May 13, 2008 11:08 PM
like a few said rear strut mounts. The rubbers shrinks a lil and gets stiffer when cold that's probably why the noise appears more when cold. Less when warm because of being softer and expanding. The nuts might be a lil lose also might want to check on that. There in behind the carpet type stuff in the trunk right above the wheel well. But don't crank on them since there suppose to be tourqed. Alos might want to think about changing the struts on either of your rides since the plain out suck. My mom has a 05 ls with only 36,000 on it and rides like crap now compared to what it did when she got it new. But that might be because our wv roads too, but she babies it when seeing a bump or pot hole she about dead stops and says i don't want to knock it out of line. Any way i say mounts since i'm also getting the same noise.
Re: Rattling in the trunk...what's going on?
Wednesday, May 14, 2008 2:27 PM
Anduril wrote:

What do you mean packed washers around the rubber part?





Re: Rattling in the trunk...what's going on?
Wednesday, May 14, 2008 3:59 PM
I guess I'm going to have to replace them again

I took everything off the car and tightened it all up a week or so ago and no change.


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2000 Cavalier Coupe, 68k miles, 2.2 Auto, Silver (his)
1999 Cavalier Sedan, 135k miles, 2.2 Auto, White (hers)
Re: Rattling in the trunk...what's going on?
Thursday, May 15, 2008 8:00 AM
thats weird, still have my stock rear mounts, 110000 km and still silent! as for the front.... UGHH


http://www.cardomain.com/ride/2267189
Re: Rattling in the trunk...what's going on?
Friday, May 16, 2008 2:20 AM
Well now that the weather's heated up significantly, I don't hear any noise. And my fronts have never made any noise.


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2000 Cavalier Coupe, 68k miles, 2.2 Auto, Silver (his)
1999 Cavalier Sedan, 135k miles, 2.2 Auto, White (hers)
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