Clunking after Lowering Springs - Mustang Evolution

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Old 10-22-2014, 03:33 PM   #1
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Clunking after Lowering Springs

I've got a clunking/knocking sound coming from the front suspension after lowering my car bout a month ago. Started on the passenger side and is now doing it on the driver side as well. It only occurs once and only does it while braking. Any ideas? Sway bar end links possiby?


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Old 10-22-2014, 04:29 PM   #2
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I lowered my car with lowering springs a while ago (2008 mustang v6) and I had a clunking noise when turning the wheel. For me it was the upper strut mount because I dropped it and the bearings went everywhere 😒. But I just ordered a GT upper strut mount and installed that and it was back to normal

---------- Post added at 09:29 PM ---------- Previous post was at 09:28 PM ----------

Btw the v6 upper strut mounts are really cheap and it's actually a common thing for them to break
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Old 10-22-2014, 04:31 PM   #3
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I'm having similar issue, but mine occurred after putting on new LCA's and ball joints. Mine occurs when turning. I'll see if I can't get a sound clip of it
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Old 10-22-2014, 10:37 PM   #4
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I replaced the strut mounts when I installed the springs with a set of Ford Racing GT500 ones and never dropped them so I don't think it's the mounts. Only occurs during braking


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Old 11-01-2014, 07:03 PM   #5
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Hmm that's odd. Sounds maybe like a sticking caliper. The way to diagnose that is you jack up the car spin the wheel and slam on the brakes.
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Old 11-01-2014, 07:39 PM   #6
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After lowering, I've got a clunking as well. Only occurs on cold starts (after it's been parked for a while). I'll start it up, start to back up, as soon as I touch the wheel to turn the wheels *clunk* then I won't hear it again. Sounds like it's coming from either driver or passenger side strut area.

I have Steeda lowering springs, struts, and adjustable strut mounts, (adjustable bumpsteer and ball joints too but don't think they're causing the noise).

No idea what it could be. All the parts are quality and installed them all myself and made sure everything was tightened to proper torque spec. Alignment shop could of tweaked something, who knows.
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Old 11-01-2014, 08:37 PM   #7
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I've got a clunking/knocking sound coming from the front suspension after lowering my car bout a month ago. Started on the passenger side and is now doing it on the driver side as well. It only occurs once and only does it while braking. Any ideas? Sway bar end links possiby?


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I lowered my '06 GT this past April and I too, had the clunking exactly as you're describing and it was my sway bar end links. When I lowered the car the end links were pushed out of place. My mechanic got creative and fixed it by adding some rubber bushings in place. Ever since he did that I've been clunk sound free.
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Old 11-01-2014, 10:56 PM   #8
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For me on my v6 it was the upper strut mounts. The stock ones and the nappa replacement ones didn't fit the springs properly and was causing them to grind. I had to get the steeda heavy duty upper strut mount to fix it.


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Old 11-02-2014, 12:35 AM   #9
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For me on my v6 it was the upper strut mounts. The stock ones and the nappa replacement ones didn't fit the springs properly and was causing them to grind. I had to get the steeda heavy duty upper strut mount to fix it.


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Hmm. I've got the Steeda HD mounts too and I'm still getting occasional clunking as I described above.
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Old 11-02-2014, 01:06 AM   #10
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Mine clunks really bad over bumps also. I'm gonna start off by getting sway bar end links and hopefully that will work. If not then I'm not sure.


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Old 11-02-2014, 10:07 AM   #11
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Yeah I got the GT500 mounts when I did the install. So I hope it's not those but I'll try the sway bar end links cause the clunk seems to occur during back to front weight transfer when braking


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Old 11-02-2014, 10:12 AM   #12
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Sounds like they are coming loose. Check the upper strut nut, to make sure it has not been backing off.

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Old 11-03-2014, 10:07 AM   #13
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If you can get the answers let me know cause I have the same problem. But only if i lightly brake. If I brake hard I don't hear it.
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Old 11-03-2014, 11:55 AM   #14
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If you can get the answers let me know cause I have the same problem. But only if i lightly brake. If I brake hard I don't hear it.

Yep that's me


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Old 11-07-2014, 12:53 PM   #15
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Tighten everything bolt to spec I had the same issue on my buddy's 2013 we replaced the the front struts and the 2 big bottom bots where not tight enough, we checked everything again and bam no more clunk


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