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Guest Message by DevFuse
 

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Strange whining noise while driving


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14 replies to this topic

#1 subjfd

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Posted 16 January 2006 - 06:36 PM

My car: 1993 Legacy 2.2 stick shift, non Turbo.

When I drive in 4th or 5th gear, I hear high pitched whining noise coming from what seems, either the engine or the tranny, only when I press on the gas pedal.


I am a new Sub owner, so it might be a normal noise for an AWD, but I am quite unsure.

It might (or not) be related to the fact that my speedo is not working, but I thought I might ask if this noise is normal. It vaguely ressembles the sound of an jet engine warming up.

Cheers

JF

#2 Roamer

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Posted 16 January 2006 - 06:50 PM

My car: 1993 Legacy 2.2 stick shift, non Turbo.

When I drive in 4th or 5th gear, I hear high pitched whining noise coming from what seems, either the engine or the tranny, only when I press on the gas pedal.


I am a new Sub owner, so it might be a normal noise for an AWD, but I am quite unsure.

It might (or not) be related to the fact that my speedo is not working, but I thought I might ask if this noise is normal. It vaguely ressembles the sound of an jet engine warming up.

Cheers

JF



Perhaps its the fly wheel?

#3 Chef

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Posted 16 January 2006 - 07:35 PM

Turbo Spooling?

#4 subjfd

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Posted 16 January 2006 - 07:46 PM

Well, it does sound like turbo spooling, but I do not think I have a Turbo... As far as the flywheelgoes, I just changed my clutch by a brand new one, and got my flywheel turned (and a mighty good job they did !)

#5 tunered

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Posted 16 January 2006 - 08:01 PM

sounds like a transmission low on grease to me.

#6 Chef

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Posted 16 January 2006 - 09:25 PM

Well, it does sound like turbo spooling, but I do not think I have
a Turbo... As far as the flywheelgoes, I just changed my clutch by a brand new one, and got my flywheel turned (and a mighty good job they did !)


Sorry, I read it over quickly and just noted the turbo part, missing the "non".

#7 97OBW

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Posted 16 January 2006 - 10:49 PM

sry i forgot to tell you i put a turbo in your car last night, when i found your dog in the street wandering around......

#8 VorpalBunny

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Posted 17 January 2006 - 12:28 AM

Every time I hear that comment at work, I tell the suveyor's helpers to get out of the truck and quit bellyaching!

#9 subjfd

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Posted 17 January 2006 - 10:14 AM

sounds like a transmission low on grease to me.


Unlikely,

As I put in brand new 75W90 synthetic when I changed my clutch 2 weeks ago, and I keep checking the levels. All OK !

It always happens in 4th-5th, between 2000-3000 rpm under load.

My guesses are:

1) 4th-5th gear pinions
2) Clutch bearing
3) Simply normal noises

In any case, I will keep on driving and see what happens I guess, unless someone convinces me otherwise ?

#10 Setright

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Posted 17 January 2006 - 11:13 AM

Most likely the main shaft bearings. It's not critical, as long as the tranny oil wasn't full of metal shavings.

A thin layer on the magnetic plug is normal.

#11 Lawsonmh15

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Posted 17 January 2006 - 01:41 PM

Unlikely,

As I put in brand new 75W90 synthetic when I changed my clutch 2 weeks ago, and I keep checking the levels. All OK !

It always happens in 4th-5th, between 2000-3000 rpm under load.

My guesses are:

1) 4th-5th gear pinions
2) Clutch bearing
3) Simply normal noises

In any case, I will keep on driving and see what happens I guess, unless someone convinces me otherwise ?


I hope I don't take the diagnosis in the wrong direction, but this is somewhat similar to what I heard when my Alternator was going.(Electrical Whine) Worth a pop of the hood and a listen to the alt. If not... Sorry, the MT guys will be ALOT more help than me.

#12 Chef

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Posted 17 January 2006 - 05:18 PM

I've noted a bit of a whine myself, mostly from me having to dish out all of my cash to fix my car recently. ;)


I hope I don't take the diagnosis in the wrong direction, but this is somewhat similar to what I heard when my Alternator was going.(Electrical Whine) Worth a pop of the hood and a listen to the alt. If not... Sorry, the MT guys will be ALOT more help than me.



#13 phatline

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Posted 09 June 2006 - 11:43 AM

1) 4th-5th gear pinions
2) Clutch bearing
3) Simply normal noises

In any case, I will keep on driving and see what happens I guess, unless someone convinces me otherwise ?


Subjfd,

Did you ever get to the bottom of this? I have the exact same problem in my 1999 Forester (manual). At highway speeds there is a whine whenever the accelerator is engaged. If I'm coasting--no whine.

I'm also the guy with different sized front and rear tires (.65" more circumference in back)--does anyone think it could be my differential or viscous coupling complaining?

#14 Sweet82

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Posted 09 June 2006 - 12:04 PM

I also have a whinne in my top gears.

I can turn the noise on and off by accelerating or decelerating.

It is not noticeable when I accelerate however when I let off the gas
I can hear it every time?

It has done this ever since I've had the car (3 years).
Little disappointed with Subaru on this one...
The car only has 60k on it.

Whine, whine, whine...
Glenn
01 Forester--5 speed

#15 phatline

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Posted 09 June 2006 - 12:12 PM

It is not noticeable when I accelerate however when I let off the gas
I can hear it every time?

01 Forester--5 speed


Hi Glenn,

I think I came across your issue in another thread. It's interesting that our cars whine in opposite conditions (acceleration for me, deceleration for you). I can't spatially locate the sound.. it sounds "everywhere" which is why I think it comes from below the car or under the hood.




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