...updated, thanks Obsidian
h&r coilover "clunking"
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Joined: Sep 2008
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From: SoCal
2009 C63, 2000 Nissan Maxima
h&r coilover "clunking"
so i have had my h&r coilovers for around 10k miles and have had this problem off and on for pretty much the entire time
since i dont know all the proper terms, i posted a picture of some other cars setup (i think miata but for my purpose the vehicle should be irrelevant) and hopefully it will make sense with my description
If you look at the coilver setup closest to us in the picture, our front setup look similar to this (rears are different as pointed out by Obsidian). You see the spring sits on 2 black perches (i think theyre called perches?). The top perch secures the spring to the ride height you want, and the 2nd secures the whole structure (on our setups, these perches are red) or something like that.
The problem i am continuing to have with my front right setup is the bottom perch becomes ever so slightly unsecured allowing the spring a little bit of play/movement. Once racked/elevated, the spring will actually rotate a little in this case if you try to move it; once the bottom perch is tightened the spring will not rotate.
Since I had been having this problem, I just had my shop tighten it, I drove around on the streets and no problems whatsoever. As I got home from running errands (drove over 40 miles), I heard this fairly loud metal scraping sound, as if I am dragging a piece of metal, but I see nothing. I let off the brakes completely and let the car roll a little and the sound gets louder, now as if 2 pieces of metal grinding against each other, then it stopped. I braked hard and the clunking is back.
slightly long winded but anybody experienced this or know how to alleviate?
if not, anybody know any shops in Rancho/Claremont/Montclair/Upland/Pomona area?
thanks for reading
since i dont know all the proper terms, i posted a picture of some other cars setup (i think miata but for my purpose the vehicle should be irrelevant) and hopefully it will make sense with my description
If you look at the coilver setup closest to us in the picture, our front setup look similar to this (rears are different as pointed out by Obsidian). You see the spring sits on 2 black perches (i think theyre called perches?). The top perch secures the spring to the ride height you want, and the 2nd secures the whole structure (on our setups, these perches are red) or something like that.
The problem i am continuing to have with my front right setup is the bottom perch becomes ever so slightly unsecured allowing the spring a little bit of play/movement. Once racked/elevated, the spring will actually rotate a little in this case if you try to move it; once the bottom perch is tightened the spring will not rotate.
Since I had been having this problem, I just had my shop tighten it, I drove around on the streets and no problems whatsoever. As I got home from running errands (drove over 40 miles), I heard this fairly loud metal scraping sound, as if I am dragging a piece of metal, but I see nothing. I let off the brakes completely and let the car roll a little and the sound gets louder, now as if 2 pieces of metal grinding against each other, then it stopped. I braked hard and the clunking is back.
slightly long winded but anybody experienced this or know how to alleviate?
if not, anybody know any shops in Rancho/Claremont/Montclair/Upland/Pomona area?
thanks for reading
Last edited by Unbreakable1; May 26, 2011 at 08:55 PM.
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From: Livingston NJ
C63, Grigio Medio E46 M3
Edited... No problem. I was worried at first, thought somone really screwed you over..
I dont have any clunking from mine. Mine are bottomed out, so they cant move anyway..
I dont have any clunking from mine. Mine are bottomed out, so they cant move anyway..
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From: Vegas and Vancouver, BC
.
Is it rubbing against the wheel because of offset issues? On a diifferent car, someone bought my Brabus reps only to sell them because it rubbed against his COs (don't remember if they were Bilsteins, H&Rs, or KWs).
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From: SoCal
2009 C63, 2000 Nissan Maxima
thanks for the input though!
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2008 C63
I don't know whether this is good or bad news, but the identical thing happens to me with my H&R coilovers. The front right suspension "clunks" on and off. It's not the traditional feeling of a blown coilover, so I've just left it as is.
As well, I'm pretty sure mine are sitting as low as possible (one small finger gap).
As well, I'm pretty sure mine are sitting as low as possible (one small finger gap).
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Joined: Dec 2006
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From: Livingston NJ
C63, Grigio Medio E46 M3
I don't know whether this is good or bad news, but the identical thing happens to me with my H&R coilovers. The front right suspension "clunks" on and off. It's not the traditional feeling of a blown coilover, so I've just left it as is.
As well, I'm pretty sure mine are sitting as low as possible (one small finger gap).
As well, I'm pretty sure mine are sitting as low as possible (one small finger gap).
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Joined: Jun 2008
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2009 Black C63 AMG
Your Answer
I too have H & R Coilovers. I have also experienced the clunking you refer to. You need to check a "link" between the swaybar and the shock. It seems like the distance between the mounting holes is just a bit short, or the link itself is too long. Anyway, the bushings on each end are probably blown. This causes the clunking you hear. They are $25-$30 each, and should be changed together the getmercedesparts website shows a good picture. Hope this helps!
Last edited by RM-6302; May 27, 2011 at 03:59 PM. Reason: spelling
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MB
I too have H & R Coilovers. I have also experienced the clunking you refer to. You need to check a "link" between the swaybar and the shock. It seems like the distance between the mounting holes is just a bit short, or the link itself is too long. Anyway, the bushings on each end are probably blown. This causes the clunking you hear. They are $25-$30 each, and should be changed together the getmercedesparts website shows a good picture. Hope this helps!
Senior Member
Joined: Sep 2010
Posts: 378
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2008 C63
I too have H & R Coilovers. I have also experienced the clunking you refer to. You need to check a "link" between the swaybar and the shock. It seems like the distance between the mounting holes is just a bit short, or the link itself is too long. Anyway, the bushings on each end are probably blown. This causes the clunking you hear. They are $25-$30 each, and should be changed together the getmercedesparts website shows a good picture. Hope this helps!
Do you have a link to that part or a picture?
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From: SoCal
2009 C63, 2000 Nissan Maxima
oh wow, everybodys on the same boat but nobody said anything? haha
thank you RM! will definitely let me shop know and hopefully we can come to a resolution...
i will update this thread when i have some more results, hope others do too!
also, has anybody looked into the 2nd perch coming slightly loose? if the bushings are blown, could this cause too much stress on the perches maybe causing the lower one to loosen?
Mort, the next step my shop will be undertaking is to re-install the front right coilover, and in the process i'll ask them to clean the threads...
thanks again!
thank you RM! will definitely let me shop know and hopefully we can come to a resolution...
i will update this thread when i have some more results, hope others do too!
also, has anybody looked into the 2nd perch coming slightly loose? if the bushings are blown, could this cause too much stress on the perches maybe causing the lower one to loosen?
Mort, the next step my shop will be undertaking is to re-install the front right coilover, and in the process i'll ask them to clean the threads...
thanks again!
Last edited by Unbreakable1; May 28, 2011 at 02:31 AM.
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2012 C63;1971 280SE 3.5(Sold);2023 EQS 450 SUV 4 Matic (Wife's)
I don't think it is too unusual for the sway bar link end joints to loosen up and clunk going over bumps. I had one go out on my wife's 2005 C240. They are like mini tie-rod ends and they do wear and the ball end gets loose in the socket. MB dealer will repair the links under warranty at least they did on ours. Worth asking. If you grab the link and give it a wiggle you should be able to feel/see the play in the end joint.
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From: Huntington Beach, CA
c63, 11 e350 (DD)
Any update? My fronts are also "clunking" over bumps. It's more noticable when the car is cold, for some reason 
BTW, thanks for the X! Your car is badass, I can't get over the sound
BTW, thanks for the X! Your car is badass, I can't get over the sound
Thread Starter
Senior Member
Joined: Sep 2008
Posts: 458
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From: SoCal
2009 C63, 2000 Nissan Maxima
