Rear End Suspension Noise?? - Mustang Evolution

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Old 09-11-2015, 01:40 AM   #1
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Rear End Suspension Noise??

Hey Everyone, hoping someone can help me out with this. I have a 2014 5.0 and am hearing a clunking noise from the rear end of the car. I started hearing this noise after I installed my adjustable panhard bar which was installed about a week or 2 after my SR lowering springs. I am pretty sure it came after my panhard bar, which is when I started noticing it. It makes noise when ever going over uneven pavement, and potholes at lower speeds, 0-30mph. Closest resemblance would be like something rolling around in your trunk. All the springs are sitting correctly, everything is bolted up except passenger side nut on the panhard bar that you loosen to make adjustments because I could not tighten it when the bar was bolted on so I was going to get to it later. The driver side bolt is tight and the bar does not rotate either. I am going to tighten that bolt but i doubt its causing that noise. Anything else I should look at while I am down there? Bump stops? Also would tightening the rear swaybar too much cause that noise also? Thanks for any help!
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Old 09-11-2015, 08:10 AM   #2
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Quote:
Originally Posted by visback View Post
Hey Everyone, hoping someone can help me out with this. I have a 2014 5.0 and am hearing a clunking noise from the rear end of the car. I started hearing this noise after I installed my adjustable panhard bar which was installed about a week or 2 after my SR lowering springs. I am pretty sure it came after my panhard bar, which is when I started noticing it. It makes noise when ever going over uneven pavement, and potholes at lower speeds, 0-30mph. Closest resemblance would be like something rolling around in your trunk. All the springs are sitting correctly, everything is bolted up except passenger side nut on the panhard bar that you loosen to make adjustments because I could not tighten it when the bar was bolted on so I was going to get to it later. The driver side bolt is tight and the bar does not rotate either. I am going to tighten that bolt but i doubt its causing that noise. Anything else I should look at while I am down there? Bump stops? Also would tightening the rear swaybar too much cause that noise also? Thanks for any help!
I have the same clunk. I've tried everything shock and spring related. It's quite probably your sway bar end links. That's where all research has led me. The factory ones are known to go bad fairly quickly. I just haven't gotten to the dealership to have them check it.
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Old 09-11-2015, 11:00 AM   #3
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I had the same noise after a repair was done to my car. Brought it back to the shop and they admitted they didn't tighten the pan hard bar all the way. The noise is gone now.


2014 GT brembo package manual trans. 3.55 gears
Roush axle backs
Bama v2 performance tune.
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Old 09-11-2015, 02:04 PM   #4
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A good reason for suspension related clunks is mostly the bolts not torqued to spec. Just food for thought for future modding

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