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Old 03-31-2011, 11:25 PM   #76
SmokescreenWRKS
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Has the new MC pressure increased since it's been swapped (tighter tension)? Did you have check the enginebay to clearly identify that this noise if from the MC?

I still think it's coming from that clutch spring assist. I just purchased the bushing and spring earlier this week and found out that bushing is plastic. I had to find out formyself. ($8 for a cylindrical bushing no bigger than than a metal collar found a ball point clicky pen! The sprign cost less!) It's possible that it's cracked or the noise could be coming from the spring tightening and releasing.

It's been two months now, a few weeks of below freezing temps, and recently a few days of rain and so far the antiseize on the spring and spring assist plunger has seems to have made the clicking stop. 'Worried at what this might do to the plastic bushing? Lukily this is mill grade moisture/corrosive resistant antiseize.
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Old 04-01-2011, 06:12 AM   #77
DGM_265
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Quote:
Originally Posted by SmokescreenWRKS View Post
Has the new MC pressure increased since it's been swapped (tighter tension)? Did you have check the enginebay to clearly identify that this noise if from the MC?
Nope, no tighter tension. Noise is definitely louder in the engine bay than in the car. I think the problem has something to do with the return spring inside the master cylinder. So it still may be a spring issue, just not the spring on the pedal assembly.

I hope yours isn't the master and bushing and new spring solve it, but after having two problem master cylinders, I'm beginning to worry there is a design deficiency.
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Old 04-07-2011, 01:25 AM   #78
11SubieWRX4D
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Re-produced the clicking clutch noise and dealership replaced the clutch master cylinder. Clicking is gone and I hope it stays that way.
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Old 04-07-2011, 01:56 AM   #79
markyboi
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i have 8000 miles on mine...

and only rattle that i have is the hatch cover (don't hear it too rattling too often tho)

usually during cold starts, I almost always hear a click (or a light thump) on the axle area, before i hit ~10mph...I was told that it is because the gear oil is still cold...
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Old 04-07-2011, 11:55 AM   #80
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Quote:
Originally Posted by ejhayes76 View Post
My 2011 2.5i started to do this recently. It has 3500 miles on it.

Dealer ordered a new master cylinder. My popping has gotten pretty loud and noticeable to anyone sitting in the front of the car, even over lower stereo levels.

I will post an update after it is replaced.
My clutch master cylinder was replaced earlier this week. The popping clutch pedal is gone. Hopefully it won't return. I will update this thread later on if so.
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Old 04-08-2011, 06:32 AM   #81
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I'm coping this from a thread i started to see if anyone has any insite over here:

I just want to start out by stating that I have been driving nothing but standard cars for 8 years. So I obviously know how to drive stick. No need for the BS remarks. OK, months ago around 6k miles I thought the clutch felt weird and told subaru when I went for that oil change. They said nothing was wrong with it but I don't know how closely they looked into it. It seemed like it wasn't catching right, to me something didn't feel right. Now I'm at almost 14k and it still feels like that. But recently if I accelerate all the way through 1st and 2nd into 3rd the clutch feels like its, I'm going to say grinding but theres no noise and its not the gears. More like rubbing when I push the clutch in or out. It will feel like this for a little while and then return to "normal" how it was before. Yesterday I was at a toll getting on the highway and accelerated through 1st n 2nd to about 4800rpm each. I felt the rubbing into 2nd and all the way to 5th. I thought the clutch was going to break on me. Down shifting off the highway after an hour it still was rubbing. But as soon as I was off the highway it stopped rubbing and seemed to be "normal." I've never done a launch in this car. Yes, sometimes I drive the car like its ment to be driven, but haven't even launched it to try it yet, because of possible problems. I tried searching to find it but I couldn't. Does anyone know what this is?? Its hard to explain but its far from normal.

Thanks
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Old 04-11-2011, 12:34 AM   #82
yudangorgor
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i think i know what you are talking about becuase i'm experiencing it too.. however i haven't taken it in yet.. will do so this week
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Old 04-11-2011, 08:32 AM   #83
SmokescreenWRKS
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Quote:
Originally Posted by DGM_265 View Post
Nope, no tighter tension. Noise is definitely louder in the engine bay than in the car. I think the problem has something to do with the return spring inside the master cylinder. So it still may be a spring issue, just not the spring on the pedal assembly.

I hope yours isn't the master and bushing and new spring solve it, but after having two problem master cylinders, I'm beginning to worry there is a design deficiency.
It's hard to tell. My sound wasn't coming from the engine bay but to tell you the truth I dind't bother listening it from under the hood. I just knew it caome from under the clutch pedal. Could you make a quick vid and post? My other only suggestion is to get the dealer to grease the clutch pedal assist spring surface. They have to get a thin coating of silicon grease all over especially behind the spring. But if you're definately not sure it's not that then take it back to the dealer and have them check the MC.

demid30, at what rpm are you shifting? Do you bring it up to 3000rpm and release the gas then pop the clutch? What do you mean by not "feeling right". Did it feel stiffer? Didn't engage easily? Slight vibration? etc. I did notice a slight tension and timing difference in the 2011 vrs. the 2009 I had. You might have to get it to another dealer or have another WRX driver try it out. Or better yet, go for a test drive in a new 2011 WRX. It may be possible it's something you didn't notice at first like that high pitch brake assist switch noise that's becoming louder somehow.
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Old 04-22-2011, 05:11 PM   #84
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Quote:
Originally Posted by ejhayes76 View Post
My clutch master cylinder was replaced earlier this week. The popping clutch pedal is gone. Hopefully it won't return. I will update this thread later on if so.
about 2.5 weeks later and I am hearing a clicking sound from the clutch pedal again. However, I am not sure it is the MC or just the clutch switch. I can get the brake pedal to make a similar sound sometimes too. It sounds like a relay or switch right now. It is not the loud multiple popping noise I was getting before.

I will continue to update. If the loud noise comes back, that will be a bummer. Even the softer clicking is abnormal to me, but this car makes a lot of electrical relay and switch noises
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Old 05-19-2011, 03:25 PM   #85
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mine just started clicking yesterday (4400 miles) would it be wise to uninstall my accessport before taking it in to the dealer? is it something they would even look at?
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Old 05-19-2011, 04:45 PM   #86
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i took mine to the dealership before uinstalling the AP..

they didn't even check engine or whatever.. just a test drive.. so you prolly won't need to uninstall..

if your iffy, then install it just to be safe
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Old 05-19-2011, 07:12 PM   #87
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Quote:
Originally Posted by yudangorgor View Post
i took mine to the dealership before uinstalling the AP..

they didn't even check engine or whatever.. just a test drive.. so you prolly won't need to uninstall..

if your iffy, then install it just to be safe
thanks for the response, checked the car today and the clicking went away
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Old 05-19-2011, 09:38 PM   #88
DGM_265
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Just an update, I just had the master cylinder replaced again. So this is the third clutch master cylinder on the car. So far so good (knock on wood), but it's only been a couple of days. This time however, the clutch feel seems smoother than before. I'll update if anything changes.
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Old 05-22-2011, 04:36 PM   #89
David920
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Quote:
Originally Posted by DGM_265 View Post
Just an update, I just had the master cylinder replaced again. So this is the third clutch master cylinder on the car. So far so good (knock on wood), but it's only been a couple of days. This time however, the clutch feel seems smoother than before. I'll update if anything changes.
After I had gotten my MC replaced, the issue came back after about 3 weeks later but only for a week and a half. For the most part, my clutch feels normal, but I don't think there's a day that goes by where I don't feel the click. I don't hear it anymore (maybe because I have an SPT exhaust) and it's fairly subtle and doesn't happen as often as before.
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Old 05-24-2011, 09:43 PM   #90
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For those of you that experience this clicking sound intermittently, have you noticed that the sound comes back after driving the car harder than usual (i.e. doing a fourth gear pull on the highway)?

I have an '08 STi (I know WRX's don't have SI-DRIVE) and this sound only occurs after putting the car in Sport (or Sport #) and doing some aggressive driving. I'll then put the car in Intelligent mode, drive for a day or so and the sound will go away. I'm debating whether or not if it's worth it to bring to the dealer....

Thanks
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Old 05-24-2011, 10:06 PM   #91
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my 09 2.5i had the clicking. i never fixed it but it sure sounded like a switch.
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Old 05-26-2011, 04:38 PM   #92
Gustav09Rex
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I have the same problem on my 2009 WRX. Grinding noise turned into a clicking noise. Seemed initially to be weather related. I had taken it into the dealer like 3 times, they were never able to solve it for more than a few days.

Then my engine blew up. I asked them to fix it once and for all while they were in there replacing the engine (under warranty). My car was in their service department one day shy of three weeks this morning, and I went to pick it up. The noise was still there. He said they had replaced a nylong bushing which they thought was the problem, but i guess not. They told me I could take the car and bring it back, or leave it with them and they'll figure it out today. The noise drives my wife nuts - there's no way I'm going to be able to take the car back with that noise.
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Old 05-31-2011, 07:02 PM   #93
Gustav09Rex
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Dealer called me to tell me that mine was fixed today. They said that the issue was a bad factory weld. They had to completely remove the pedal assembly and re-weld the bracket it mounts to, as I understood.

*edit*

I got the car back and returned it (smoking engine).

He said that both welds were bad - but only one had broke. Two things of concern:

1) They did the re-weld with an oxy acetylene torch. I would have expected a mig or tig weld. Amy I being paranoid?
2) I believe someone in this thread mentioned that removing the spring fixed the problem for him and made the clutch feel better. The dealer denies it - but my clutch is light as a feather. Is it possible to validate the spring without needing to disassemble anything?

Last edited by Gustav09Rex; 05-31-2011 at 09:43 PM.
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Old 06-20-2011, 08:48 PM   #94
Proxy WRX
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I've had the clicking come back twice since i posted a while ago. Lasts only a couple of hours then goes away. But the vibration is killing me! Above 3k, that's all i can feel. Now yesterday it started getting this popping feel when releasing the clutch slow, like driving in traffic. it feels like the clutch is sticking slightly and popping free. If i turn the car off, it gets smooth as silk... It doesn't do it if i release it quick.

I guess it's time to make an appointment.
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Old 06-21-2011, 12:10 PM   #95
Bruins1982
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At first mine wasn't clicking horribly, but now it's really loud. I can hear it over music. 7,500 miles.
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Old 07-01-2011, 10:51 PM   #96
jester8798
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I just had the MC replaced this week. So far no clicking, but the overall operation feels different. The engagement point seems lower with hardly any force required for the first 50% of travel. No issues so far, it just feels weird. Has anyone else had this happen after an MC swap?
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Old 07-27-2011, 08:23 AM   #97
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Quote:
Originally Posted by 08WRXNUBE View Post
The squeaking isn't the bad part of the 08-11 wrx's. The bad part is the clicking and or popping! If you have either press the clutch pedal in and release and watch to see if your break pedal is moving. If it doesnt then no big deal, but if it does then you may have the same problem some of the 08-09 wrx's had. Which is the bulk head welds for the clutch pedal bracket on the bulk head / fire wall.
Im not saying this is what is wrong with your car, im just making you guys aware of what some of us have gone thru.

Everyone with a 08 and wrx/sti should look at buying and installing one of these!
http://www.grimmspeed.com/catalog/pr...roducts_id=213

Did anyone do what this guys suggests? I know xluben got a brace on his car, I might pm him to see if the clicking went away.
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Old 07-27-2011, 08:44 AM   #98
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I got my car in October 2010. About a month later the clutch started clicking. Brought the car in to the dealer in November 2010. They diagnosed it as a bad clutch master cylinder. The master cylinder was replaced. The car was click free for probably 6 months. Sometime during this 6 months I installed the brake master cylinder brace.

Probably about a month or so the clicking started again. I think it's louder this time. Obviously the brake master cylinder brace did not stop this from occurring on my car. I am planning on going back to the dealer again, but I am guessing they will come to the same conclusion and replace the clutch master cylinder. Hopefully the "fix" lasts longer this time.
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Old 07-27-2011, 10:44 AM   #99
olazy
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Quote:
Originally Posted by xluben View Post
I got my car in October 2010. About a month later the clutch started clicking. Brought the car in to the dealer in November 2010. They diagnosed it as a bad clutch master cylinder. The master cylinder was replaced. The car was click free for probably 6 months. Sometime during this 6 months I installed the brake master cylinder brace.

Probably about a month or so the clicking started again. I think it's louder this time. Obviously the brake master cylinder brace did not stop this from occurring on my car. I am planning on going back to the dealer again, but I am guessing they will come to the same conclusion and replace the clutch master cylinder. Hopefully the "fix" lasts longer this time.
i think everyone who has had the CMC replaced has had the clicking come back. it obviously isn't a permanent fix. until there is a definitive fix for the clicking the dealer won't be seeing my car, the less time they have it the better
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Old 07-29-2011, 01:04 AM   #100
SmokescreenWRKS
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It sems that as the MC wears it puts slightly more pressure on the clutch assembly probably not enought to notice but enought to break the welds on the link from clutch to the firewall. This ultimately misalignes the spring assist assembly causing this clicking sound.

It seems when everyone who's replaced the MC seems to end up having the cliking sound come back.

Putting antiseize on the spring bushing and center alignment seems to eliminate the sound. But the weld could still be cracked. Does anyone have pictures of this clutch link to the firewall?

Been 6mo now and no clicking on my end.
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