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11-22-2012, 12:08 PM
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#1
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Member
Join Date: Sep 2012
Location: Dallas, TX
Posts: 68
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suspension help
Hey guys, I need some help. I have a 2012 mustang gt. Over the last month or so I noticed a knocking from what seemed to be the front drivers suspension. Last march I installed koni str.ts and steeda ultralites. The sound started off going over bumps and progressed to being random but constant. It sounds like a golf ball rattling around in a cup. Like 2 metal pieces bouncing off one another.
Last week (11/13) I brought it to the dealer and they replaced the front lower control arms per the LCA tsb. The sound was gone for a few days but has come back with great vengeance. I brought the car back to the dealer today and they are telling me the LCAs are fine and that the sound is coming from the springs. They won't touch the springs because they are aftermarket so they can't tell me what about them may be making the noise. I Have pulled the wheel off and everything seems to be tight. The sound happens on seemingly smooth roads, sometimes over bumps, and sometimes it won't happen over bumps. But while you are driving it is constantly happening. I may pull the front strut out tomorrow and look at it. Any advice on what to look for? I am also thinking of having ntb check it out after thanksgiving.
Here is a video
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11-22-2012, 12:19 PM
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#2
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El Presidente
Join Date: Jun 2012
Location: Always ahead of Steve
Age: 34
Posts: 3,367
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did you put in the gt500 strut mounts?
__________________
2013 Ford Mustang 5.0 6M Brembo 3.73s
HPP TUNED HP-enough 4-0 vs Steve
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11-22-2012, 12:28 PM
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#3
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I> /\/\
Join Date: Jun 2012
Location: A fender ahead of BlownAltered
Posts: 7,562
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Did you put the isolaters back in with the aftermarket springs?
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11-22-2012, 12:33 PM
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#4
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Senior Member
Join Date: Jun 2012
Posts: 5,594
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Same problem I have. You installed the springs without isolators. My BMR springs are doing the same thing on my factory struts.
I couldn't get the isos off the stock springs, so I said screw it.
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11-22-2012, 12:38 PM
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#5
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Member
Join Date: Sep 2012
Location: Dallas, TX
Posts: 68
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The steeda springs had an isolator on them already. At least it looks like it does. Its an extra clear thing covering the botton 2 coils. Is that not really an isolator? I will try to get a pic this afternoon of it. Yes, I did use the GT500 strut mounts.
Is this not an isolator?
Last edited by hatchttu; 11-22-2012 at 12:57 PM.
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11-22-2012, 02:14 PM
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#6
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Senior Member
Join Date: Jun 2012
Posts: 5,594
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It may not be thick enough. Idk. I'll have to get a video of mine
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11-22-2012, 02:18 PM
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#7
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Member
Join Date: Sep 2012
Location: Dallas, TX
Posts: 68
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Cool, thanks, I hope it is something that simple well, at least not something that will make my car fall apart
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11-22-2012, 02:24 PM
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#8
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Senior Member
Join Date: Aug 2012
Posts: 428
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that should work, this may sound dumb but did you tighten down your struts fully? Could also be your strut mounts have gone bad.
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11-23-2012, 10:30 AM
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#9
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Senior Member
Join Date: Aug 2012
Location: Keller, TX
Posts: 613
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Originally Posted by jayman33
your strut mounts have gone bad.
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This.
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11-23-2012, 11:44 PM
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#10
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Member
Join Date: Sep 2012
Location: Dallas, TX
Posts: 68
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Will it be obvious when I take the strut out that it is bad? What should I look for?
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11-25-2012, 03:28 PM
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#11
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Senior Member
Join Date: Jul 2012
Location: Roanoke, Texas
Age: 39
Posts: 818
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interested to see what this ends up being.
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11-25-2012, 04:33 PM
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#12
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Senior Member
Join Date: Aug 2012
Location: Keller, TX
Posts: 613
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Originally Posted by hatchttu
Will it be obvious when I take the strut out that it is bad? What should I look for?
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Before taking everything off, have you tried pushing down on either side of front of the car to replicate the noise?
A bad strut mount would show cracks or breaks within the rubber isolator between the spring and the bottom of the mount.
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11-25-2012, 06:39 PM
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#13
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Member
Join Date: Sep 2012
Location: Dallas, TX
Posts: 68
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Originally Posted by Courtesy Flush
Before taking everything off, have you tried pushing down on either side of front of the car to replicate the noise?
A bad strut mount would show cracks or breaks within the rubber isolator between the spring and the bottom of the mount.
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Yes, and I can not replicate the sound doing this. I will order some new mounts and the rubber isolators and start eliminating possible issues this week.
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11-22-2012, 02:32 PM
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#14
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Member
Join Date: Sep 2012
Location: Dallas, TX
Posts: 68
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Yeah, I checked everything and everything is nice and tight. I haven't pulled the strut out yet as I am about to go to Ft. Worth for the weekend. Do you mean the top 21mm bolt on the strut?
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11-25-2012, 07:24 PM
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#15
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Member
Join Date: Sep 2012
Location: Dallas, TX
Posts: 68
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What do you guys think about the J&M camber plates, I assume these are the replacements for the GT500 strut mounts as in I wouldn't need to buy anything else.
http://www.latemodelrestoration.com/...-Camber-Plates
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