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Old 11-16-2001, 11:52 PM   #51
ScoutWRX
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Question I have the same noise as everyone else...

Wish a fix would come before I run out of my warranty! I have only had my WRX since June and have 12,000 miles!!!
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Old 11-21-2001, 04:46 PM   #52
duckboy
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Default decel noise...

get this. i had the decel noise coming from the tranny area when the car was in 3rd or 4th. i just had the STi Type RA clutch installed yesterday and guess what... no more noises. the rear diff still makes a teeny bit of a noise but the tranny does NOT make the decel noise anymore. it is gone. why? i don't know.

the day before the clutch install, i had converted the engine, tranny and rear diff to synthetic fluids. the cars shifts better but it did not eliminate or reduce the noises coming from the drivetrain.

the car is now quiet.

btw, at the moment, i only have 7k mi on the car.

duckboy
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Old 11-21-2001, 09:05 PM   #53
Mark B.
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I too am experiencing the "Noise" and it sounds very much like a problem I had on a Nissan 4 x 4.

Upon hard deceleration there was a loud buzz emanating from the transmission area. Repeated trips to the dealer finally resulted in a complete transmission change under warranty.

Well, guess what, the noise was still there. The dealer said he had done everything he could do and arranged for the Manufacturing Representative to meet me.

The Manufacturing Rep. took only a few minutes to diagnose the "Problem" as normal to the transmission of the Nissan 4 x 4, he convinced me when we went for a ride in a brand new vehicle and it made the exact same noise.

I ended up keeping the Nissan for 3 years then trading it in on a Toyota 4 x 4, which BTW made no transmission noises.

My opinion is this noise is not a serious problem but it certainly is annoying, unfortunately I don't think there is going to be a fix for it.
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Old 11-21-2001, 09:55 PM   #54
duckboy
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Default noise..

yeah, the nissan pathfinder 4x4 that i had several years back did the same thing too. the dealer said it was normal. i too sold the truck and got a civic. yes, i don't think there's going to be a fix for this...

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Old 11-22-2001, 01:23 PM   #55
superspd8
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I have 1000 miles on my WRX. I also have the sounds on the over run. It sounds like the gears making noise, but I may be wrong.

My guess is that it would be the gears making noise ont he over-run, since it only happens when the ears are loaded on one face and not the other. (I may be wrong...).

If pushing on the gear lever stops it, it means that putting addional oad on the gears is making a difference.
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Old 11-22-2001, 02:14 PM   #56
Barry
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http://www.i-club.com/forums/showthr...hreadid=116720

mspt is a dealer on Long Island-Metric Motors. The clutch change could be the answer.

Barry
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Old 11-22-2001, 10:11 PM   #57
Bailey
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35R is enough

Default decelleration noise in WRX

I have the same noise.

My WRX bought in august has had this same noise on deceleration since day 1. I have been to 2 different dealerships to try to have it solved. The first dealer replaced the heat shield around the turbo. No change.
Here are the characteristics of my noise problem:
1) the car must be hot - the likelihood of hearing the noise is much greater if you have been driving quickly with the turbo heavily exercised.

2) the onset/offset of the noise is quite rapid and follows the use of the throttle from pulling (throttle on) to coasting (throttle off)

3) the noise is RPM dependent and occurs must robustly between 3000-3500 and 2000-2500

I have been to a second dealership 3 times to have the noise examined. They are aware of the problem and have been talking to subaru technical support to try and solve the difficulty. The last time the car was in they took "readings" (??) from the car.

The mechanics have mentioned several possible sources of the noise:
- heat shields (unlikely as mine have been replaced)

- catalytic converter preturbo

Apparently the dealership called last week while i was out of town to say they had a likely fix and wanted to see the car again.

I will post again to let everyone know how this works out.

The fact is that we all bought a performance-oriented car that should not sound as though it is breaking when driven hard. I don't know about the rest of you but i get really annoyed by this noise. It detracts from my enjoyment of the car. If they can't fix it i plan to attempt return the car. This is likely not to work, but it may get our common difficulty noticed.

Tim
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Old 11-22-2001, 10:37 PM   #58
Bailey
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35R is enough

Default Subaru should exchange our noisy WRXs for new ones!!!!

So Gentlemen,
Fact 1:
Not all wrxs have the noise.

Fact 2:
Subaru does not know what is making the terrible grinding noise in some WRXs.

Here is a question for all of us. If they don't know what it is, HOW CAN SUBARU ASSURE US THAT THIS IS NOT a safty, performance, or longevity issue?

THE FACT IS THAT OUR CARS HAVE AN UNKNOWN PROBLEM!!!

Each of us deserves to have this problem resolved quickly and without undo hassle. How many of us have spent what should have been an enjoyable drive down a twisty road wondering about this damned intrusive and disturbing noise.

I plan to take the information from this site to my dealer here in portland.... perhaps this will help them resolve my problem.

Tim
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Old 11-23-2001, 04:05 PM   #59
superspd8
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I was having the noise problem. Seeing the postings about tire pressure, this morning, I raised mine (WRX sedan) to 36F & 33R. The noise is almost all gone.

My guess is that the tires create a sympathetic vibration somewhere when they are on the over run. These kinds of problems are common in machinery and are usually designed out by changing a fastener or the design of a part.

I wonder if it is the RE92's?
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Old 11-24-2001, 03:40 AM   #60
christurismohk
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for those who changed their rims and tire....is this happening to u? or is the noise gone?
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Old 11-24-2001, 07:57 AM   #61
superg
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Default Tire pressure cure worked!

I followed the advice of increasing the front tire pressure. I went to 35 front, 32 rear cold pressure. I was skeptical that it would do anything. To my surpirse, the deceleration noise is gone. Amazing. I have to believe that the tire diameter center diff argument may be correct. Now I need to head up in the mtns and find out how this pressure balance efects the handling.

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Old 11-24-2001, 11:46 AM   #62
Hanzo
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The FACT is everybody has the noise, some just don't notice the noise. I have a 17" after market wheels and I still have the problem. I haven't change the tire pressure however. I still don't think changing the tire pressure is a permanent solution.

Last edited by Hanzo; 11-24-2001 at 12:28 PM.
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Old 11-24-2001, 12:07 PM   #63
superspd8
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Quote:
Originally posted by Hanzo
The FACT is everybody has the noise, some just don't notice the notice. I have a 17" after market wheels and I still have the problem. I haven't change the tire pressure however. I still don't think changing the tire pressure is a permanent solution.
Don't be so sure about that. Virbration is a weird thing. (Although I am not a practicing physicist, I do have a degree in physics).

Many years ago, I worked for an aricraft company that was developing a high-wing STOL (Short Take-off and Landing) aircraft. There was an external strut from the fusalage to the wing forming a triangulated structure.

Part of the testing routine was terminal speed dive tests. At 176 MPH the aircaft was fine. At 178 the struts vibrated and collapsed and the plane crased killing three people. One managed to bail out.

Inidvidual aircraft can also vary. I knew of a Mirage that was delivered that had so much flutter that the plane was dissasembled and used for parts. The French were not consistent with the production of aircraft. Placement of bulkeads could vary signifigantly from plane to plane.
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Old 11-24-2001, 01:03 PM   #64
ChrisF
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My WRX Wagon with production date 6/01 has the noise and has had it almost since new (61 miles on the clock when purchased).

First off, for those of you who have had success with changing tire pressure, is it your opinion it is the spread in pressure (3 psi) or the actual pressures (35/32 psi) that is solving the problem. I'm going to try that out. I think that 's an easy test for all of us to see if it works. Maybe we could get a thread going to post the results? I think it would be helpful.

Whatever the cause, I still feel that the noise is completely unacceptable in a brand new car. One other question in relation to your clutches:

How much pedal travel from the floor does it take before your clutch completely engages? Mine seems very high compared to some of the other cars I drove. I'm wondering if clutch wear has anything to do with our problem.

Thanks all.
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Old 11-24-2001, 01:10 PM   #65
superspd8
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Quote:
Originally posted by ChrisF
My WRX Wagon with production date 6/01 has the noise and has had it almost since new (61 miles on the clock when purchased).

First off, for those of you who have had success with changing tire pressure, is it your opinion it is the spread in pressure (3 psi) or the actual pressures (35/32 psi) that is solving the problem. I'm going to try that out. I think that 's an easy test for all of us to see if it works. Maybe we could get a thread going to post the results? I think it would be helpful.

Whatever the cause, I still feel that the noise is completely unacceptable in a brand new car. One other question in relation to your clutches:

How much pedal travel from the floor does it take before your clutch completely engages? Mine seems very high compared to some of the other cars I drove. I'm wondering if clutch wear has anything to do with our problem.

Thanks all.
Chris:

I raised the tire pressures the same front and back. It probably isn't the difference in pressure.

I went to 36/33.

Maybe subaru can check and see if it is the wretched Re-92's that cause the problem (not that other tires won't). and, maybe they will replace them with decent rubber (Toy proxes TS1 would make me REAL happy. Boy did I love them on the RX-7).
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Old 11-24-2001, 10:28 PM   #66
Bitor1
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Default Clutch weirdness issue - PLEASE help

I've been watching this thread for a while and I have found success with the tire pressure trick but don't think it's the answer (@38 front / 35 rear) ,car handles well. I think Subaru KNOWS something is not right with the new gen gear box / chassis alignment and I hope they fess-up soon because it ain't cool. As for the clutch I belive this is a key component to the problem, possibly this is related to the clutch "shudder" issue as well?

But I also have a intermitent clutch weirdness that I haven't seen posted: Sometimes when stopped in nuetral I press my clutch in and as soon as I shift to ANY gear I hear this noise that seems to be a metal piece grinding against either the clutch disc assembly or the flywheel (whichever spins when the clutch is depressed) and it accelarates in frequency if I rev the engine? I know this is a problem with the clutch assembly because if I lift the pedal it goes away, push it back down it comes back? NOT RIGHT!! The thing is the car drives fine and when I come to my next stop and I check for the sound it doesn't happen any more, only sometimes and it is not dependant on temperature either. So I am at a loss as for demonstrating this "Phenomenon" to my dealers service dept.

Anyone have any idea what this may be????
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Old 11-24-2001, 10:58 PM   #67
BillsRex
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Hi everyone,

I was hoping that my first posts to the i-club would involve the various mods I have planned for the car, but unfortunately it is about clutch shudder, decel grind, and radiator leakage / replacement (in another thread). I love the darn car but I feel that I should report these problems to both SoA and this club. The car just absolutely rips, but has a few probs as well. -Bill
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Old 11-25-2001, 09:19 PM   #68
lstepnio
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just wanted to add my name to list. i have experienced the desribed noise several times in 3rd and 4th gear while decelerating. i'm not too worried at this point and i'm going to see what happens after the car is broken in fully.
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Old 11-25-2001, 10:14 PM   #69
jblaine
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I'll throw my voice in here for the count and state that I too have the rattling problem upon deceleration, and as stated, only after the car has been driven a bit. Whatever it is, I do not know, but it does sound like a thin piece of metal rattling rapidly.
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Old 11-26-2001, 04:42 AM   #70
superspd8
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Bitor1:

If you have a noise when you push the clutch in, it is probably a throwout bearing. That is simple and cheap to replace. Well, not real cheap becuase it is about the same labor as replacing a clutch.

What is expensive is when you have the noise when the clutch pedal is out and have it go away when it is depressed. That happened to my Twin Turbo RX-7 - it was a bad bearing in the transmission itself.

That the sound on the over-run goes away with a change in tire pressure does not automatically ikndicate that the transmission-drive line assemblies have an alinment problem. It can be nothing more than a sympathetic vibration or a beat frequency.

Jan
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Old 11-26-2001, 05:10 AM   #71
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All WRX's have this problem. Nothing we can do only take it up the tail pipe.
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Old 11-26-2001, 05:19 AM   #72
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My RS has had the same noise for as long as I can remember, if it helps the dealer said it was normal even though I hate that noise.

scootr
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Old 11-26-2001, 09:35 AM   #73
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ScoutWRX,

If you are worried about your warranty, it might help to have the problem on file with your dealer as unresolved. I'm not sure how Subaru deals with this, but I have had other cars where a continuing problem was fixed out of warrenty becuase I had them check it out under warranty. It might help? Get it in writing.

Any way, I think we should all make our dealers aware of this problem every time we visit them. Be polite, but firm - "there is this noise, and I do not accept it as normal or as the heat shield..." Subaru will certainly feel a need to deal with it if we make our case over and over.

FYI, my noise seems to be getting worse. I have 10k on my WRX 5 spd wagon.
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Old 11-26-2001, 12:02 PM   #74
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Quote:
Originally posted by superspd8
Bitor1:

What is expensive is when you have the noise when the clutch pedal is out and have it go away when it is depressed. That happened to my Twin Turbo RX-7 - it was a bad bearing in the transmission itself.
that IS the problem. It is the drivetrain. It only makes the noise when the transmission is engaged during deacceration. It sounds like grinding/rubbing gears. Mine has been like that from day one. I know something is going to give at one point. I don't deaccelerate with the motor to hopefully lengthen the time before it goes out.

-C
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Old 11-26-2001, 01:52 PM   #75
RickBH
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Default Decelleration noise

Just a little more information that may help understand what is happening.

I had a 98 Outback with a 5-spd that had a rattling noise when under light load or decellerating in 2nd and 3rd gear. I found that by holding the gearshift lever that the noise would be reduced and also I could feel a vibration in the lever that appearedto be the same frequency as the noise. I complained to the dealer and was told that the shifter bushings on some Outbacks were soft and they were replacing them. They checked and found that mine had already been replaced under warrantee for the previous owner. The dealer then apparently just tightened some bolts on mine and told me to see how it was.
After a few weeks, the noise came back and then the dealer replaced the bushings. The noise did not come back while I had the car, but, the vibration was still there and I expected that there was something (bearing, gear?) wrong with the transmission.
Hearing about the tire pressure suggestions now makes me thing that there may be some differential loading on the gears depending on the ratio of front to rear tire speed.
Anyone with upgraded shifter/bushings having this problem?
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