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12-11-2019, 04:54 PM | #1 |
Scooby Newbie
Member#: 504249
Join Date: Jul 2019
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Help please!
I am not sure if I am experiencing a trans/clutch, engine, or loose part problem. Here's what is happening: first and second gear there is no noise, but 3rd 4th and 5th there is this weird chatter/vibration noise coming from the center of the dash almost near the shifter. I have tried listening to it as much as I could to pinpoint the area, but cant because it only happens in higher gears, and upon acceleration. If I leave the gas pedal depressed and push in the clutch the noise go away, but as soon as I release the clutch the noise is back. Checked the entire engine bay for anything loose, and nothing... I will try and check the exhaust heatsheild, maybe that's causing some rattling. I read online that someone was having alot of "clutch chatter" and replacing the stock pitch mount made the noise go away. I cant tell if this would be classified as "clutch chatter" because I have never experienced this before. The pitch mount doesnt seem loose upon inspection but could be I guess when on acceleration? Any help would be greatly appreciated if anyone else has had this issue, and found where the noise is coming from... (2013 wrx)
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12-12-2019, 04:20 AM | #2 |
Scooby Newbie
Member#: 504249
Join Date: Jul 2019
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****Checked the heat shield, doesn't appear to be loose. Took the center console off to see if it was coming from the trans and it appears to be coming from near there. Could this possibly be clutch chatter, and on the way to failure? I dont think it is a TOB. Because I have no issues when pushing or releasing the clutch. Hopefully I can find some help on this, it is extremely frustrating trying to hunt down the noise.
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12-14-2019, 06:45 PM | #3 |
Scooby Specialist
Member#: 100300
Join Date: Nov 2005
Chapter/Region:
MWSOC
Location: MIC|-|IG/\N
Vehicle:06 WRX CGM |
I would think clutch chatter relates to when the clutch is slipping (starting in first gear) and its rough and bumpy instead of a smooth clutch slipping.
Maybe you could take a video of the noise to help us help you? |
12-22-2019, 06:59 PM | #4 |
Scooby Newbie
Member#: 504249
Join Date: Jul 2019
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***Video***
https://youtu.be/ZoVMMSB4mlU
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12-22-2019, 07:08 PM | #5 |
Scooby Newbie
Member#: 504249
Join Date: Jul 2019
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Update.
Replacing the pitch mount with a torque solution mount. Made the noise worse, I can feel the pulse of the rattle in the gear shifter. Took everything off the hood, scoop, ect. Also took the splash gaurd off, cannot figure out where this rattle is coming from and its driving absolutly crazy. Litterally not driving my car anymore, which makes me extremely upset...
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12-22-2019, 07:33 PM | #6 |
Scooby Newbie
Member#: 504249
Join Date: Jul 2019
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Going to try and put in a new transmount and see if that helps, I have limited time to work on the car right now, hence why I'm looking for assistance... hoping that is a mounting issue. I know it cant be a engine issue as I cannot replicate the noise in neutral..
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12-23-2019, 03:40 PM | #7 |
Scooby Newbie
Member#: 504249
Join Date: Jul 2019
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12-23-2019, 03:53 PM | #8 |
Scooby Newbie
Member#: 509765
Join Date: Dec 2019
Chapter/Region:
AKIC
Location: Vancouver, Canada
Vehicle:2018 STI WRB |
I have heard this noise, or one very similar, on a Honda Civic one time.
One of the fingers on the clutch had been bent (later broke off completely) can caused a vibration but only under load. When you clutch in it would stop and under no drive load it would not be there. Just something to consider. I'm not sure if there is any service port to look through to see but if there is you may consider taking it off and having a look inside to see if there is anything amiss. |
12-23-2019, 08:26 PM | #9 |
Scooby Specialist
Member#: 298403
Join Date: Oct 2011
Chapter/Region:
W. Canada
Vehicle:2008 WRX Premium Spark Silver |
Question, more so curiousity than anything, but at the top of the clutch pedal there's always like 1-2 inches of travel before you really start pushing the clutch springs. If you push in the clutch while it's making this sound, does the sound going away?
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12-24-2019, 12:40 PM | #10 |
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Member#: 504249
Join Date: Jul 2019
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Yes the sound goes away as soon as the clutch is pressed in and when in neutral.
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12-24-2019, 12:47 PM | #11 | |
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Member#: 504249
Join Date: Jul 2019
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Quote:
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12-25-2019, 10:38 PM | #12 |
Scooby Newbie
Member#: 504249
Join Date: Jul 2019
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Final note:
So I am going to be replacing the trans mount with a torque solution mount, positive shift kit, and upper and lower shifter bushings (when they arrive). While I am under the car and have the heat shield removed I am going to check for any contact from the exhaust or any loose bolts. If I cant find where the rattle is coming from, or replacing these parts doesnt help, I am going to take the car to subaru and eat 150 bucks to see if they can figure out what is causing this noise, because it is driving me insane and I miss driving my car!! I'm hoping it's not the clutch because I do not have time to replace it my self with work, nor do I have the 1800 to have it replaced right now... I dont think it's the clutch though as I dont have any issues with shifting, but who knows... thanks for everyone's help! I will continue to monitor my post if anyone has anything else to chime in with. Wish me luck!
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01-22-2020, 10:37 PM | #13 |
Scooby Newbie
Member#: 504249
Join Date: Jul 2019
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No Such Luck
Installed:
-Torque solution transmount. -Whiteline positive shift kit. -Cobb front and rear shifter bushings. -Tomei header & uppipe (Wrapped in DEI heat wrap to eliminate the chance of heat shield rattle) -Invidia catted downpipe (Wrapped in DEI heat wrap to eliminate the chance of heat shield rattle) -Grimmspeed turbo heat shield. AAAAND, nothing helped the rattle. Not only do I have the rattle still, now I am getting misfire codes and rough idle (assuming I didnt hook the tmic up correctly and I am getting un-metered air coming in) Also I cannot get the front o2 sensor connector to stay plugged in, so I am throwing codes for that also... such a fun time. I am going to get a verti cooler tmic anyhow, so I am going to wait till I get that to pull the OEM tmic, and check for loose hoses. IF I get the rough idle figured out, and fixed, I am going to take the car to subaru and let them figure out this rattle, because all i am doing is throwing money at the car hoping it will fix it, when obiviously there is an underlying issue somewhere. Thanks to everyone that has followed my post. I will continue to update with every step of the process, in Hope's that is someone else has this issue they can find out what/what not to do, to solve the rattle! |
02-11-2020, 04:53 PM | #14 |
Scooby Newbie
Member#: 504249
Join Date: Jul 2019
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Took the car to subaru, they said the sound is coming from the transmission, and sounds like beginning stages of internal failure. F******Bull**** I guess I'll be draining the trans and checking for flakes.
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02-11-2020, 07:57 PM | #15 |
Scooby Specialist
Member#: 298403
Join Date: Oct 2011
Chapter/Region:
W. Canada
Vehicle:2008 WRX Premium Spark Silver |
I don't know how I missed your reply, but what I meant by my question is when you take up the slack in the clutch pedal, that ~2in at the top when the clutch is engaged, does the sound go away?
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02-19-2020, 08:30 PM | #16 | |
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Member#: 504249
Join Date: Jul 2019
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Quote:
Had my Subaru buddy look at it and we drove the car, beat on it even, and he said "there is no noise on deceleration while in gear, no popping out of gear, no whines, just the rattle. And no loss of power in any gear from slippage, I've blown up so many transmissions in my subarus to know that this is not failure, I would lay money that this is a TOB issue." I pulled the dip stick for the trans/front diff and it is crystal clear, no signs of metal flakes. There are no signs of a mechanical failure other than a rattle. Spoke with a Subaru master mechanic, sent him the video and he said he doesnt think it's the trans itself, said it sounds almost like a harsh clutch chatter. So I am taking the car to him and hes going to replace the entire clutch assembly including new clutch fork. (If it doesnt help and I have to replace the trans, I'm only out the labor cost to install the clutch) but I have had a few people say they think it's the TOB but I never even thought of it because it's a rattle not a squeal. What really pisses me off is that subaru will flat out tell me "something is about to catastrophically fail at any moment" when they didnt even check the trans fluid for flakes.. Good news is I can get a built transmission from ZFDesigns in Denver, Co for about 3k with a warranty and subaru wants to charge me 5k with no warranty (because of "too many aftermarket parts, header/uppipe and downpipe) for a stock trans ***128514;***128514;***128514; no wonder they are called 'stealerships' I figured out of all the dealerships, subaru would be the most honest (HAHA yeah right) I cannot wait to find out what's causing this rattle, because if it's a simple CLUTCH ASSEMBLY problem I am calling SOA and letting them know about the tech that tried scamming/scaring me into buying a new transmission. (Worst part of it, he is a well known car guy in my city) sorry for my rant lmfao |
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03-05-2020, 08:38 AM | #17 |
Scooby Newbie
Member#: 504249
Join Date: Jul 2019
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For anyone following the thread:
Replaced the clutch assembly (Zf designs) and TOB (PDM TSK3) and prolite flywheel (ACT) and noise is still there. Through process of elimination, my Subaru mechanic said the CV axles are next, he got underneith and said he messed around with them and there is alot of play in the shafts. So I will be replacing those next with Thedriveshaftshop.com (level 5 axels) he/we dont think it's the front diff because there is no issues/noises when turning or on deceleration, and worse case I would be replacing the clutch assembly and drive shafts on a new trans so if I have to get a built trans I will at least already have all the other parts needed for the swap. I will continue to post on here as I work towards getting my subi back in shape.
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04-15-2020, 09:36 PM | #18 |
Scooby Newbie
Member#: 504249
Join Date: Jul 2019
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On to the last resort.
Axels didnt do anything. Feeling hopeless. Sooo new transmission it is, going to get a built one from ZFdesigns in Denver, CO. If a new trans doesnt fix the noise, I'm done, lmfao thanks to anyone following through my struggle!
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