mccorry Posted January 5, 2007 Share Posted January 5, 2007 Dude... not to be a jerk... but it has been making this noise since 11/22/06 and you STILL haven't taken it in to have someone look at it? If it is that bad, get it looked at. Do you think it is going to get better all by itself? You are probably just causing more damage if it is a differential. Link to comment Share on other sites More sharing options...
JuxtaGT Posted January 5, 2007 Author Share Posted January 5, 2007 Well, you are right, I should have taken it in already. But, I ordered the wheel bearing two and half weeks ago thinking that was the problem after much debate here. That turned out to not be it. So, it's not like I haven't been trying to work on this. The car drives fine, just makes a humming noise most noticable on the throttle. Since the car is out of warranty I was hoping this was a problem I could tackle. I need my car, have to drive every day. Thanksgiving came around. Left for the holidays to New Mexico. Next course of action is to take it to in. I'm not exactly rolling in money this time of year though. So, ease up dude, some problems don't get fixed quickly or easily when you don't have the time, money, or resources to make things happen. Link to comment Share on other sites More sharing options...
mccorry Posted January 6, 2007 Share Posted January 6, 2007 I wasn't pissed... I just was reading your original post again and realized that it had been over a month.... I don't want to see ya chew up the internals any more than they already are... that's all. I ya, man! If you were anywhere near me I would easily jump in my car and come out and take a look at it. I don't like to see my fellow LGT brothers flounder.... Link to comment Share on other sites More sharing options...
wrxlvr Posted January 6, 2007 Share Posted January 6, 2007 Here's the AVI file of what mine sounded like. It was the center diff. Car was supposed to be done yesterday, but won't be done until Tuesday. Please right click the link and save it to your computer. The whining noise isn't the turbo, and the chickchickchick noise you hear is what REALLY had me concerned. http://clem.mscd.edu/~mcquiggc/centerdiff.avi Link to comment Share on other sites More sharing options...
shtbxr22 Posted January 6, 2007 Share Posted January 6, 2007 maybe pinion bearing/improper backlash in front diff........ask about it Link to comment Share on other sites More sharing options...
mccorry Posted January 7, 2007 Share Posted January 7, 2007 maybe pinion bearing/improper backlash in front diff........ask about it Yeah... but backlash should only change with gear teeth wear over MANY MANY miles. Your diff shouldn't just "develop" excess free play. Link to comment Share on other sites More sharing options...
JuxtaGT Posted January 8, 2007 Author Share Posted January 8, 2007 Here's the AVI file of what mine sounded like. It was the center diff. Car was supposed to be done yesterday, but won't be done until Tuesday. Please right click the link and save it to your computer. The whining noise isn't the turbo, and the chickchickchick noise you hear is what REALLY had me concerned. http://clem.mscd.edu/~mcquiggc/centerdiff.avi Thanks for posting the clip. It's tough to tell if that is the same noise though. Think I'm going to ping Jeremy@Crucial at his new shop to have them give it a listen. This one is beyond me, time to take it in. Link to comment Share on other sites More sharing options...
JuxtaGT Posted January 22, 2007 Author Share Posted January 22, 2007 Decided to start with the dealer on this, car went in this morning. I should at least try and get it done under warrenty, only 39k on the car. Went on a test drive with the service tech. At least he heard and acknowledged the problem. Yeah, I'm not crazy (well, THAT crazy). Link to comment Share on other sites More sharing options...
bluechipbmw Posted January 22, 2007 Share Posted January 22, 2007 keep us posted on the outcome! Link to comment Share on other sites More sharing options...
JuxtaGT Posted January 23, 2007 Author Share Posted January 23, 2007 They seem to think it's the center diff, gonna open that up and see if its the problem. Oh, and it all seems to be under warrenty, go figure Link to comment Share on other sites More sharing options...
bluechipbmw Posted January 23, 2007 Share Posted January 23, 2007 I just called my mechanic and told him that they said it's possible the center diff. Keep us posted so I can relate this back to him. I hope they can fix it for u under warranty. Link to comment Share on other sites More sharing options...
JuxtaGT Posted January 24, 2007 Author Share Posted January 24, 2007 It seems to be working like this: Mechanic heard the noise when I drove around with him. He has a better understanding of where noises are really coming from than I do (I hope). He thought it sounded like it was coming from the center part of the trans. (center diff), so he started there. You can remove the rear transfer case and enclosed center diff/clutch pack without dropping the transmission. If inspecting that fails to provide the answer or fix the problem, then they will drop the trans to access the front diff and gear assembly. I talked with the service department this morning, and they seem to think that was the issue, but haven't had confirmation on that yet. The moral of the story: I had totally psyched myself out about taking my Stg. II car into the dealer fearing that it would void my warranty, or they wouldn't fix it. A lot people on these forums seem to perpetuate these misconceptions. If they are a good dealer, they are going to take care of you. Obviously, if you have a heavily modified car, they might start asking questions. I also tend to think how you treat them helps or hinders your cause. Come in demanding they fix it, and they probably aren't going to help you very much. Come in with a good attitude, and things are easy. I mean, I'm having some issues with the KW coilovers in the car that the tech pointed out. I talked with him and the service advisor for a while about aftermarket suspension options, both of them suggesting options they have heard about. Pulling in to leave the car, I was in the middle of several modded WRX's and STi's. So, just take it to the dealer if you honestly think it's a warranty issue. Link to comment Share on other sites More sharing options...
bluechipbmw Posted January 24, 2007 Share Posted January 24, 2007 ^I agree. I've been having all my work done by Dave @ MSPT which is AKA Metric Subaru so I am not worried about being at Stage 2. I relayed your info to him so he is anxiously awaiting to see what they find while he waits to hear when a rep of SOA is going to visit the dealership. Link to comment Share on other sites More sharing options...
JuxtaGT Posted January 24, 2007 Author Share Posted January 24, 2007 Okay, problem was several bearings in the center diff, guess if one starts to go they all start going. Recap of symptoms: Humming noise above 45/50 mph that sounds like it's coming from the trans somewhere. Noise becomes mechanical rotation/bearing noise at lower speeds, but is present at all speeds. Pushing in the clutch and putting the car in neutral does not stop the noise. Pushing the gear shift lever against the side (like going into reverse or fifth gear) of the transmission changes the pitch of the noise. Throttle also changes pitch/level of noise. Parts Replaced: 32145AA030 Gasket Case R 806322040 Roller Bearing 806330080 Roller Bearing 806230170 Ball Bearing 38913AA101 Center Diff AY Hope this helps anyone who is having a similair problem. Link to comment Share on other sites More sharing options...
bluechipbmw Posted January 24, 2007 Share Posted January 24, 2007 This is great! Not great that something broke up great that it was fixed! I just left a message with Dave@MSPT. Hopefully this is the same problem with mine. Now it's time to get the other noise coming from the rear under WOT in the cold. Thanks again! Link to comment Share on other sites More sharing options...
wrxlvr Posted January 24, 2007 Share Posted January 24, 2007 Same sort of thing that mine was diagnosed with. I'd say those bearings are trouble. Mine was bad enough that it had burn marks through the case where the shaft comes through. The burn marks went all the way through (both inside and outside the case). Basically the whole diff and shaft was replaced. Hope the new bearings last... Link to comment Share on other sites More sharing options...
Deer Killer Posted January 26, 2007 Share Posted January 26, 2007 Okay, problem was several bearings in the center diff, guess if one starts to go they all start going. Recap of symptoms: Humming noise above 45/50 mph that sounds like it's coming from the trans somewhere. Noise becomes mechanical rotation/bearing noise at lower speeds, but is present at all speeds. Pushing in the clutch and putting the car in neutral does not stop the noise. Pushing the gear shift lever against the side (like going into reverse or fifth gear) of the transmission changes the pitch of the noise. Throttle also changes pitch/level of noise. Parts Replaced: 32145AA030 Gasket Case R 806322040 Roller Bearing 806330080 Roller Bearing 806230170 Ball Bearing 38913AA101 Center Diff AY Hope this helps anyone who is having a similair problem. So all the bearings _and_ the diff? I would guess either or, or maybe just overzealous? Link to comment Share on other sites More sharing options...
JuxtaGT Posted January 26, 2007 Author Share Posted January 26, 2007 You're right, maybe they figure that if they have to open it up, and it's under warranty, replace everything. I would. Link to comment Share on other sites More sharing options...
bluechipbmw Posted February 1, 2007 Share Posted February 1, 2007 they just ordered me another rear diff. Link to comment Share on other sites More sharing options...
oister Posted February 1, 2007 Share Posted February 1, 2007 Which dealership did you go to? And how long did it take them to do diag? It seems to be working like this: Mechanic heard the noise when I drove around with him. He has a better understanding of where noises are really coming from than I do (I hope). He thought it sounded like it was coming from the center part of the trans. (center diff), so he started there. You can remove the rear transfer case and enclosed center diff/clutch pack without dropping the transmission. If inspecting that fails to provide the answer or fix the problem, then they will drop the trans to access the front diff and gear assembly. I talked with the service department this morning, and they seem to think that was the issue, but haven't had confirmation on that yet. The moral of the story: I had totally psyched myself out about taking my Stg. II car into the dealer fearing that it would void my warranty, or they wouldn't fix it. A lot people on these forums seem to perpetuate these misconceptions. If they are a good dealer, they are going to take care of you. Obviously, if you have a heavily modified car, they might start asking questions. I also tend to think how you treat them helps or hinders your cause. Come in demanding they fix it, and they probably aren't going to help you very much. Come in with a good attitude, and things are easy. I mean, I'm having some issues with the KW coilovers in the car that the tech pointed out. I talked with him and the service advisor for a while about aftermarket suspension options, both of them suggesting options they have heard about. Pulling in to leave the car, I was in the middle of several modded WRX's and STi's. So, just take it to the dealer if you honestly think it's a warranty issue. Link to comment Share on other sites More sharing options...
mspt Posted February 2, 2007 Share Posted February 2, 2007 Okay, problem was several bearings in the center diff, guess if one starts to go they all start going. Recap of symptoms: Humming noise above 45/50 mph that sounds like it's coming from the trans somewhere. Noise becomes mechanical rotation/bearing noise at lower speeds, but is present at all speeds. Pushing in the clutch and putting the car in neutral does not stop the noise. Pushing the gear shift lever against the side (like going into reverse or fifth gear) of the transmission changes the pitch of the noise. Throttle also changes pitch/level of noise. Parts Replaced: 32145AA030 Gasket Case R 806322040 Roller Bearing 806330080 Roller Bearing 806230170 Ball Bearing 38913AA101 Center Diff AY Hope this helps anyone who is having a similair problem. you have a 5 speed manual?if so a 5 speed manual center diff is completely different than a 5 speed auto>>. Link to comment Share on other sites More sharing options...
G.T.Subie Posted February 4, 2007 Share Posted February 4, 2007 Did this sound come through the stick shift? I just started to experience something similar. Denial is your best friend Link to comment Share on other sites More sharing options...
G.T.Subie Posted February 5, 2007 Share Posted February 5, 2007 JuxtaGT I sent you a PM Denial is your best friend Link to comment Share on other sites More sharing options...
JuxtaGT Posted February 6, 2007 Author Share Posted February 6, 2007 PM returned. I do have a STS. I could hear the noise through the shifter, but it was definately coming from the trans. Link to comment Share on other sites More sharing options...
JuxtaGT Posted February 6, 2007 Author Share Posted February 6, 2007 Which dealership did you go to? And how long did it take them to do diag? Carlsen Subaru in Redwood City. Brought the car in Monday morning. Was diagnosed and fixed by Tuesday afternoon (I was lucky they had all parts in stock, otherwise it would have taken a week). Link to comment Share on other sites More sharing options...
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