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2005-2010 V6 Mustang Tech Forum

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Unread 02-08-2007   #1 (permalink)
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Default 2006 Mustang V6 Front End Clunk

I originally posted this in the GT section, thus I'm posting in the V6 section since my Mustang is not a GT, although this problem appears to be relevant to all newer Mustangs. I'd be interested to here others thoughts on Mustang front end suspensions. My thoughts below.

I have an 06 Mustang V6 with 5000 miles on it. I have this same clunking noise, primarily from the right front side. I took it to the dealer and they replaced the right front strut. This made no difference, clunk is still there. The service advisor wrote on the paper work that "some clunk noise is normal". This is crap. I've had cars with 180,000 miles on them that don't make front end noises. After reading this forum, I believe it's a design problem. When watching Ford Mustang commercials they should have a warning regarding clunking noises coming from front ends, like pharmicutical companys warn of side affects from presciption drugs.
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Unread 02-08-2007   #2 (permalink)
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I've had my Mustang since August of '06 and I'm pushing close to 8,000 miles and so far I haven't experienced any clunking noise. I say take it back to the dealership and keep taking it back until they take a serious look underneath the car to see what's wrong, especially since it's still under warranty.
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Unread 02-10-2007   #3 (permalink)
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I get the clunking noise at times too. It depends on the surface I'm driving on. It's light but it's there. It is endemic to the type of front end the Mustang uses. I've heard it in other cars with McPherson Strut front ends. It's a little annoying, I agree, but Ford didn't work on deadning it like some other manufacturers. The Lincoln quiets it down real nice but it also is a much more expensive car.

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Unread 02-10-2007   #4 (permalink)
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i have about 5k miles on mine now and no unusual front end noises. hey just a thought i am a chrysler mechanic and we see alot of sway bar bushing and endlink problems. when these go, especially the bushings, they have excessive play between the bushing and the bar itself causing it to klunk, and sounds like the front end is gonna fall out. just some food for thought, and i agree especially with low miles that shouldnt have happened, but **** happens.
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Unread 11-04-2007   #5 (permalink)
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follow ford tsb-07-18-02-I have done my own and two others.good fix.replace w/2008 upper strut mounts.
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Unread 11-04-2007   #6 (permalink)
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Can almost guarantee it's the vertical sway bar link. The nuts tend to loosen over time.
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Unread 11-05-2007   #7 (permalink)
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Quote:
Originally Posted by stlwagon View Post
Can almost guarantee it's the vertical sway bar link. The nuts tend to loosen over time.
I have a Steeda front bar (still sitting on my workbench) whose instructions say, "Be sure to use Loctite™ RED ... " on those nuts. I think that's a little extreme, and am planning to use BLUE with new "single-use" locknuts on assembly.

Previous installations, even with new locknuts have worked loose a bit. Of course, throwing the car around in an autocross may contribute to that.

The strut-to-body nuts seem to work loose, too.

I'd not been able to do the link nuts to proper torque. The manual says (approximately) "DO NOT LET THE THREADED LINK ROTATE AT ALL. USE THE IMMOBILIZER FEATURE (10mm hex on the end of the threaded part)." Well, no matter how deep or shallow your socket, on a regular torque wrench you can't torque and immobilize simultaneously.
http://bradbarnett.net/service_man/C...loded_View.pdf
http://bradbarnett.net/service_man/C...ilizer_Bar.pdf
I found the answer was "crowfoot", an open-end wrench that extends from the torque wrench's drive lug, and lengthens the torque arm by about ¾ inch.

Now I just need to find out where the force point is in the shank of my old-but-good "clicker" Craftsman torque wrench, so I can figure out what smaller torque reading is equivalent to 85 lb/ft (148 for the strut nuts).
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Unread 02-15-2011   #8 (permalink)
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Quote:
Originally Posted by MarkAT View Post
I get the clunking noise at times too. It depends on the surface I'm driving on. It's light but it's there. It is endemic to the type of front end the Mustang uses. I've heard it in other cars with McPherson Strut front ends. It's a little annoying, I agree, but Ford didn't work on deadning it like some other manufacturers. The Lincoln quiets it down real nice but it also is a much more expensive car.

Mark
That's what my 2006 V6 did. Around 5,000 miles, I noticed a vibration @ 72-73 M.P.H. that got a little worse until I hit 30,000 miles last week. Now, I hear this "clunk" noise every time I hit a bump..... VERY annoying. I took off the tire and started looking @ it and noticed that the bracket had a loose bolt that held the sway bar in place. It's hard to tighten because you are in a confined space but a socket for the end of the bolt and a pair of vice grips for the nut will keep both nut and bolt from turning at the same time, thus tightning the bolt. This has fixed both problems. It's only been 3 days so i'm hoping that there isn't something causing this bolt to become loose while driving????? Good luck everyone!!
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Unread 02-15-2011   #9 (permalink)
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I had a front end clunk for a couple years and grew to live with it. Then, I went and changed out my rad and rad support. While bolting on the Steeda support, I reattached the stock sway bar to this in the stock position.

I haven't had that clunk at all since then and am quite happy! So, perhaps check your front sway bar mounting brackets and ensure they're tightened down good.

My clunk did indeed sound like a loose clamp or connection and the fact that it went away when I reinstalled the front sway bar makes me think that was my source. Possibly for others as well.

Good luck!
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Unread 02-16-2011   #10 (permalink)
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Quote:
Originally Posted by stlwagon View Post
Can almost guarantee it's the vertical sway bar link. The nuts tend to loosen over time.

^^^^ What he said. I had the same issue. Tightened the bolts for all the sway bars and the sound went away.
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Unread 02-17-2011   #11 (permalink)
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Had the same noise on mine after replacing the front sway bar, after having a look, the old nuts have a grip washer integrated with the nut, the grip washer on mine had broken up and gone (I found what was left of the washers on top of the front lower control arm) and the sway bar was loose on the link, I took the old nuts off and replaced them with Nylok nuts and separate washers, also red loc-tite the whole assembly, I haven't had the noise since and hopefully wont. God help anyone trying to get them off now lol
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Unread 03-17-2011   #12 (permalink)
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My clunking got worse. I looked around and it was the bolt that holds on the lower control arm. I tightened it and that worked great for a few weeks. My mustang must have come from the factory a little loose because after I tightened it, it handeled better and was much more "quiet".... no rattles like when it was new.
It started again so I tightened it down again with some blue locktite. Worked great for half a day and now I sit here at work, with a car that looks nice but sounds like total CRAP. Ford knew/knows about their sloppy, crappy, spoty, shotty workmanship. for that, I think i'll buy me another nissan. If I remember right, both of my nissan trucks went 1/4 million miles (each) and I don't remember ever having ANY problems other than a low tire or maybe a Battery every 5-7 years. I just hope I don't need to pass anyone on the highway.
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Unread 03-18-2011   #13 (permalink)
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Quote:
Originally Posted by carlivey68 View Post
My clunking got worse. I looked around and it was the bolt that holds on the lower control arm. I tightened it and that worked great for a few weeks. My mustang must have come from the factory a little loose because after I tightened it, it handeled better and was much more "quiet".... no rattles like when it was new.
It started again so I tightened it down again with some blue locktite. Worked great for half a day and now I sit here at work, with a car that looks nice but sounds like total CRAP. Ford knew/knows about their sloppy, crappy, spoty, shotty workmanship. for that, I think i'll buy me another nissan. If I remember right, both of my nissan trucks went 1/4 million miles (each) and I don't remember ever having ANY problems other than a low tire or maybe a Battery every 5-7 years. I just hope I don't need to pass anyone on the highway.

Try new bolts, they can stretch and come loose.
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Unread 03-18-2011   #14 (permalink)
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Its gotta be the vertical links my car had clunk over every bump in the road, i replaced both of them driver and pass and the noise went away
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Unread 03-19-2011   #15 (permalink)
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Its gotta be the vertical links my car had clunk over every bump in the road, i replaced both of them driver and pass and the noise went away
theres a few things that can cause it. i had a rattly/clunk going slow down a rough road, made my car sound like a old beater and it was my upper strut bearings
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