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  #13  
Old 04-26-2011, 12:37 AM
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Re: rattle on acceleration

so this isnt something i should be worried about ? i mean car runs great drives fine no check engine light or anything so everything must be good right
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Old 04-26-2011, 12:50 AM
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Re: rattle on acceleration

I just had my front diff mounts replaced on my 05 WK and it started making this same exact noise as described. I'm going to check my CAT and I'll let you know if it fixes it
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Old 04-26-2011, 03:10 PM
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Re: rattle on acceleration

had a mechanic look at it today and found out what it is its the exhaust manifold bolts he said i need a new gaskets and new bolts all together with labor $400 wtf.
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Old 04-26-2011, 10:56 PM
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Re: rattle on acceleration

Ouch! I was looking at my exaust manifold today and noticed one of the bolts that holds the heat sheild on was broken. It's a good possibility I have the same problem as you.
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Old 04-27-2011, 09:15 AM
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Re: rattle on acceleration

I have a rattling sound under any acceleration after it comes out of first after a start. This only has happened after I replaced my t-case so I just assumed it was that. I would love to find out it's only the exhaust.

It's very embarrassing to pull up to a crowd of people and instead of hearing the exhaust tone you hear a rattling.
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Old 04-29-2011, 02:44 AM
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Re: rattle on acceleration

found out i need new exhaust manifold gaskets and botls thats why its making that noise.
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Old 04-29-2011, 05:10 PM
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Re: rattle on acceleration

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Originally Posted by jdubgrand View Post
found out i need new exhaust manifold gaskets and botls thats why its making that noise.
Definitely get back to us when you get it fixed and let us know if it worked.
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Old 04-29-2011, 09:17 PM
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Re: rattle on acceleration

If you need gaskets for both sides, that's about $500.
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  #21  
Old 05-11-2011, 08:25 PM
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Re: rattle on acceleration

Fixed. My rattle was a loose front differential mount. Fixed in 10 minutes.
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Old 01-16-2012, 04:55 PM
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Re: rattle on acceleration

Anyone else figure out their rattles? I have the same thing. 2005 5.7L 113K miles. Only happens when it is cold out (20 degrees or less) and only under acceleration. If the jeeps is in Neutral or I brake stand it, I dont get the sound. When the Jeep is warm, the sound goes away.
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Old 03-02-2013, 07:23 PM
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Re: rattle on acceleration

On my wife's liberty, I found it was the fan belt tensioner. It only rattled at a certain RPM, right above idle.
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Old 06-03-2013, 11:44 AM
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Re: rattle on acceleration

Hi guys...had the same kind of sound...for me the fix was a new muffler. The baffles was shot and would make the noise. Keep in min to replace u need to do it from the cat back since the pipes and muffler are welded.

hope this helps
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