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Old 03-01-2004, 03:37 PM   #1
wrx_snobordr
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Default weird clunking noise from back right????

i was driving down the road and made a turn and i heard this weird clunk come from my back right... i thought it might be my strut but there isnt any noise when i go over bumps it only happens when i turn or stop/start. to be sure i checked the top strut bolt and spring bolts for tightness and they were fine. i took it to subaru and they said they cant look at unless i pay them because of aftermarket springs. any suggestions as to what it might be???
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Old 03-03-2004, 12:38 AM   #2
Microbomb
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Is there a bowling ball in your trunk? Take spare and all the stuff out of your trunk, I know that suff can clank around in there some times. I would say you have a broken strut mount, but if it doesnt happen when you go over speed bumps then its probably not that, it still could be. I had broken strut mount and it mostly only made the sound when I started and stopped. Also check your exhaust hangers, and make sure your exhaust isn't hitting something.
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Old 03-04-2004, 04:35 PM   #3
Subie Gal
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what suspension mods do you have?

end links?
sway bar?

etc.
Jamie
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Old 03-29-2004, 01:00 AM   #4
wrx988
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I'm having the exact same problem too on my MY98 Impreza RS. I have the 20-24mm adjustable swaybar from whiteline and heavy duty swaybar mounts installed. I checked to see if the muffler was hitting the left swaybar mount and it wasn't, even when i move the muffler left and right.

Checked all the rear sub frame bolts, differential bolts, rear control arms, the 3 nuts on both rear strut towers and none seem to be loose at all.

The noise comes only when either one of the rear wheels are uneven. If i go over a speed bump and both wheels go over the bump at the same time, i don't hear the "clunking" noise.

The noise has been there for a few days now ever since i changed to different tires from the stock RE92. My new tires are 205/50ZR16.

i'm totally stumped on this one. I don't even know what the check anymore for possible noises. any of you would what this noise could be?
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Old 03-29-2004, 08:39 PM   #5
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the only suspensiopn mods i have are springs (tein s-tech). i thought it might be the strut but it only makes the noise when going around a turn. ive checked all the sway bar bolts and end link bolts and thats not it. the exhaust isnt hitting anything so im really just confused. im just going to get new sway bars and end links and tighten all the strut mounts and see what happens. hopefully that will cure the problem.
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Old 03-30-2004, 01:14 AM   #6
wrx988
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Today i found the problem to the clunking noise. It was the rear passenger side swaybar bushing. The poly urethane bushing wasn't holding the swaybar firmly. There was about 2-4mm of play between the swaybar and the bushing. (I don't know how that happened) I tried rocking the swaybar up and down and it made the same clunking noise i heard from inside the car. Checked the left side bushing and it was nice and firm.

I just squished the D shape mount a little bit and put some electric tape around the D shape mount to increase its thickness. Re-tighten everything and the clunking noise went away!! Tried going over bumps and taking quick turns. NO noise =)
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Old 03-30-2004, 01:15 AM   #7
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.
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Old 03-30-2004, 07:02 AM   #8
rankink
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Yeah, I have whiteline swaybars and put kartboy endlinks in the back. The endlinks caused major clunking no matter what I did. Put the stockers back on the other day and all is quiet again. That sound drove me nuts.
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Old 03-30-2004, 10:13 PM   #9
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This is weird. I just ran into the same problem today. I was in a hurry, so I didn't even see this thread before I went to class but here's what happened to mine. http://forums.nasioc.com/forums/show...hreadid=531309

I have v5 struts/v6 springs
20-24mm Whiteline sway bar
Whiteline endlinks

It seems to be quieter the faster I go, but the noise is faster the faster the wheels are going, so I don't know. I'm going to look at it in the morning.
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Old 03-31-2004, 10:14 AM   #10
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I've had the same clunk since last summer. I have a wagon with sedan swaybar and aftermarket endlinks. I've found that the bushings in the swaybar don't hold as stiff as the endlinks. When I put the stock endlinks back in the noise goes away. So I'm thinking of hd swaybar mount sin the future.
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Old 03-31-2004, 10:33 AM   #11
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Mine just worries me b/c everybody else says that their's only makes noise when turning, etc, but mine seems to be connected with the tire rotation whether I'm in neutral or in gear.
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Old 03-31-2004, 08:12 PM   #12
wrx988
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I'm using the stock rear endlinks and the heavy duty 24mm swaybar mounts from whiteline. At first i thought it was the stock endlinks flexing and hitting the swaybar making the noise, but it was actually the poly urethane bushing on the mount.

You should definitely check the swaybar mounts and bushings, if you can move the swaybar up, down, back, or forward, then most likely your noise would be there. The swaybar is not suppose to be able to move in any direction other than rotate inside the bushing.

Of course you should check all other bolts (struts, diff bolts, rear subframe, control arms, etc...) to see if any of those are loose.
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Old 04-01-2004, 12:03 AM   #13
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It seems your guys' problem might be swaybar related. Because for the ones who posted the problem all have aftermarket swaybar.

However mine is abit different. I too noticed the noise coming from rear right. My suspension mod is the kyb agx shock and tanabe sustec gf210 spring. I have 02 WRX btw. Similar to wrx_snobordr have described I can only hear the noise when I I turn, either left or right. It's like the noise is from the spring being compressed and decompressed. Anyone know a possible reason for this or a way of checking?

tx
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Old 04-16-2004, 01:15 AM   #14
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i had a clunk also......
http://forums.nasioc.com/forums/show...hreadid=265200

dont have it ne more
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Old 04-16-2004, 03:28 AM   #15
drees
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Weird, I've also got a small clunk coming from the rear. I've got Poltec endlinks with a 20mm sedan bar on now, but had Kartboys on before that and the stock bar and it still made the same noise so I don't think it's the sway bar.

Like the others mentioned, I only hear it at low speeds when accelerating or decelerating.
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Old 04-16-2004, 04:29 PM   #16
wrx_snobordr
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thank you blueimpreza25rs. im gonna take it up to subaru next week and have them call SOA. hopefully thats what it is because the noise is really annoying.
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Old 05-19-2004, 12:20 AM   #17
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Quote:
Originally posted by esbee
Mine just worries me b/c everybody else says that their's only makes noise when turning, etc, but mine seems to be connected with the tire rotation whether I'm in neutral or in gear.
Quote:
Originally posted by wrx988
I'm using the stock rear endlinks and the heavy duty 24mm swaybar mounts from whiteline. At first i thought it was the stock endlinks flexing and hitting the swaybar making the noise, but it was actually the poly urethane bushing on the mount.

You should definitely check the swaybar mounts and bushings, if you can move the swaybar up, down, back, or forward, then most likely your noise would be there. The swaybar is not suppose to be able to move in any direction other than rotate inside the bushing.

Of course you should check all other bolts (struts, diff bolts, rear subframe, control arms, etc...) to see if any of those are loose.
I just remembered that when I ordered the heavy duty sway bar mounts, I ordered the wrong size...I ordered the size too big .

If you can, get the bushings made for a 20mm bar (to be used with the 20-24mm sway). I, being a moron, ordered the ones for a 22mm bar (for use with 22mm-26mm rsbs).

I bet my life savings thats why it made nosies... does it do it over speed bumps or just rolling along?

-justin
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Old 05-19-2004, 12:50 AM   #18
Genner
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although I don't have that clunking sound on my rear, I do get what sounds like cracking on my front windshield. Sounds like the the glass sealants are flexing, etc. It happens when I initially go over speedbumps or go up my drive way. Usually when the front wheels, one is higher than the other. It happens is a funny way that when you first go up a drive way it happens, then if you were to back up and do it again it'll be come less and less, same with the speed bump. It is as though everything has settled.

I have 22-26 rear sway set at 22 and perrin endlinks with heavy duty mounts.

Could that be the cause of it? Anyone with the same problems?
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Old 05-19-2004, 01:32 AM   #19
wrx_snobordr
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I had that that same noise from my windsheild when i had mine replaced. At first it was very noticable whenever i hit a bump or went up my driveway. With time it has gone away the only noise that is left is the piece of plastic that covers the wire to my rear view mirror, i think they forgot to attach it correctly or forgot to glue it. I really cant complain i got the window replaced under warranty because they said it looked like a stress crack. I would check that cover to the mirror if thats not it i would have it looked at. The last thing you want is the seal to go on your window and have water streaming in, plus that high pitched whistle youll get when wind rushes in.

-Matt
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