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Old 07-30-2014, 10:27 AM   #1
jr0bb5
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Default Please help diagnose weird noise in '12 Impreza

Hello all. I'm hoping someone here can possibly help me figure out what's up with my car. I've called my dealership, but they brushed it off as being normal and are unconcerned.

Anyway, ever since I got my car back from the dealer from having the piston rings replaced, I've noticed a couple of issues. One of which is this very annoying, prominent whining noise (for lack of better term) while driving in certain gears. The higher the gear / RPMs, the louder it is and higher the pitch is. It also doesn't matter how much throttle I give it, just barely touching the gas pedal to stay at a cruising speed on flat land makes the noise. However, as soon as I take my foot completely off the gas pedal, the noise ceases. It's most prominent while cruising in 5th gear and the pitch goes up the faster I drive. 4th gear is also loud and now it's starting to do it while driving in 3rd.

Not sure if this would be an engine or transmission / drive-line noise, but it seems to be getting worse and I don't recall it being present before my car went in for repairs.

Thanks for looking
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Last edited by jr0bb5; 07-30-2014 at 10:44 AM.
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Old 07-30-2014, 10:49 AM   #2
Twism86
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Is it like the noise that reverse gear makes?

Also, I just got the same car. What caused the need for new rings? How much oil were you burning.....
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Old 07-30-2014, 10:51 AM   #3
Xafen
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Big, huge thread already on the oil burning Twism86. Check out a couple of the different threads on it for info.
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Old 07-30-2014, 11:09 AM   #4
jr0bb5
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Quote:
Originally Posted by Twism86 View Post
Is it like the noise that reverse gear makes?
It's actual somewhat similar to the reverse gear noise now that you mention it.

Quote:
Also, I just got the same car. What caused the need for new rings? How much oil were you burning.....
Check out the oil light thread to read all about my adventures in oil burning....
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Old 07-30-2014, 11:43 AM   #5
Angelus911
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Does this happen with the fan on? My moms forester does something similar and it's only when the fan is on


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Old 07-30-2014, 11:50 AM   #6
jr0bb5
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Originally Posted by Angelus911 View Post
Does this happen with the fan on? My moms forester does something similar and it's only when the fan is on


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Happens all the time. Doesn't matter if the fan is on or not.
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Old 07-30-2014, 01:20 PM   #7
CLL_OBP
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Could be the bearings in one of the components driven by the belt.

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Old 07-30-2014, 02:18 PM   #8
jr0bb5
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Originally Posted by CLL_OBP View Post
Could be the bearings in one of the components driven by the belt.

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Possibly. It's weird though. I can be in 4th gear at 2500 RPMs going down hill with my foot off the gas and it won't make the noise. As soon as the road starts to flatten out and I just touch the gas, it starts to whine and hum.
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Old 07-30-2014, 04:02 PM   #9
BoxerSport2.0
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Quote:
Originally Posted by jr0bb5 View Post
Possibly. It's weird though. I can be in 4th gear at 2500 RPMs going down hill with my foot off the gas and it won't make the noise. As soon as the road starts to flatten out and I just touch the gas, it starts to whine and hum.
Honestly, my car has been making the sound ever since I can remember.. I have 87,000 miles on it now. 5th Gear cruising and it whines like an electric signal / reverse syncro. Does that sound like a description of the noise? I always took it as the manual transmission and drive train overall. I haven't had issues and have performed all my maintenance including changing Trans & rear diff fluids. Thanks.

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Old 07-30-2014, 04:52 PM   #10
jr0bb5
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Quote:
Originally Posted by BoxerSport2.0 View Post
Honestly, my car has been making the sound ever since I can remember.. I have 87,000 miles on it now. 5th Gear cruising and it whines like an electric signal / reverse syncro. Does that sound like a description of the noise? I always took it as the manual transmission and drive train overall. I haven't had issues and have performed all my maintenance including changing Trans & rear diff fluids. Thanks.

-Brian

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I suppose the noise could be completely normal and I just really never noticed it before. Do you suppose it could be getting a little louder as the miles rack up? I've just had so many issues with this car that I assumed it was something bad.
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Old 07-30-2014, 06:16 PM   #11
bobditts
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take it back to the dealer and tell them to figure it out
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Old 07-30-2014, 06:41 PM   #12
millertime359
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Quote:
Originally Posted by jr0bb5 View Post
I suppose the noise could be completely normal and I just really never noticed it before. Do you suppose it could be getting a little louder as the miles rack up? I've just had so many issues with this car that I assumed it was something bad.
Agree with Bob, the dealer just got doing some major work to your car it sounds like. If it wasn't doing it when you took it in, and it is now. Something happened.

If the dealer blows you off again, call SOA and lodge a complaint. I had to do that a couple of times with Ford dealers when I had my Focus. They won't blow you off anymore.
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