Clunking sound after spring instal - Mustang Evolution

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Old 04-13-2014, 03:39 PM   #1
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Clunking sound after spring instal

I have a 2012 mustang v6 and just got SR performance springs from American muscle . Heard from a lot of people they are ready to instal out of box and nothing else is needed so I didn't get anything else. Well had them installed and love the way they look! Only prob is when I go over small bumps there's a clunking sound in the rear. Anyone know why?? Esp over speed bumps if I don't literally creep over them .
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Old 04-13-2014, 03:51 PM   #2
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If its the rear, I would suspect a bolt is not torqued correctly. Possibly sway end links? Not much else it could be with only springs changed out back there.
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Old 04-13-2014, 03:53 PM   #3
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Stock sway bar bushings are known to clunk due to being made of a very soft rubber, especially after lowering. I've currently got the same issue.

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Old 04-13-2014, 04:02 PM   #4
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So what do we do ??
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Old 04-13-2014, 06:26 PM   #5
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Replace with poly and re torque?!
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Old 04-14-2014, 02:25 PM   #6
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Poly?
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Old 04-14-2014, 02:33 PM   #7
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Quote:
Originally Posted by Mattjohnson View Post
Poly?

Poly urethane bushings
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Old 04-14-2014, 03:57 PM   #8
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Quote:
Originally Posted by Getn off View Post
If its the rear, I would suspect a bolt is not torqued correctly. Possibly sway end links? Not much else it could be with only springs changed out back there.
Troy
Ford changed my sway bar end links because of clunking.

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Old 04-14-2014, 06:17 PM   #9
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I'll just order some new ones from American muscle when there back in stock!
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Old 04-16-2014, 10:08 AM   #10
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About to order the links. What exactly do they do. What's the difference ? How do the stock ones cause the clunking noise ??
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Old 04-16-2014, 10:52 AM   #11
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I know when I put the h&r ss springs in my gt they came with some poly isolator bushings but were optional. Did these come with those to use?

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Old 04-16-2014, 11:05 AM   #12
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Nope
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Old 04-16-2014, 12:10 PM   #13
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Oh, well I know without them there can be a lot of metal on metal and clunking sounds. It was an option on a drop down before you add them to your cart for mine. It's just optional because without them it lowers it maybe another quarter inch if that.

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---------- Post added at 11:10 AM ---------- Previous post was at 11:09 AM ----------

But at ride expense...obviously

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Old 04-16-2014, 12:22 PM   #14
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Can you put a link to the bushings I would need ?
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