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2012 Subaru Outback 2.5 Automatic
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10 Posts
Discussion Starter #1
A. When does the sound happen?

_ When engine is running
_ When transmission is in some particular gear
_ When turning
_ On throttle
_ When braking
_ Over bumps
X In cold conditions
_ At speed - wind noise
X While driving
B. Where does the sound come from?

_ Can't tell
_ Drivetrain
X_ Suspension/wheels/brakes
_ Front
X_ Rear
_ Body

C. Does the sound vary with some condition?

_ Engine/transmission rpm dependent
X_ Wheel rpm dependent
_ Air speed/direction dependent
_ Varies according to some other condition

D. Is there a vibration associated with the noise?
---No vibration.
_ Feel it through the floorpan or seat
_ Feel it through the steering wheel
_ Feel it through a pedal

E. Does it affect drive-ability? how? (Essay question, 2500 words or less)

No effect to drivability. Sound is a grinding noise coming from rear passenger side. Upon accelerating past 10-15 mph the grinding begins and gets faster as car goes faster. After a while on highway the sound will quit. I took it to a local mechanic and he said it may be a wheel bearing, but after looking up bearing sounds on youtube, I am not positive that that is the problem. Any suggestions would be great. Thank you all in advance, this is a great site.
 

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Lawn ornament XT
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14,366 Posts
If it isn't the wheel bearing, it's going to be part of the brake. Both are part of the same assembly, so the same stuff would have to be disassembled to repair either.
 

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2012 Subaru Outback 2.5 Automatic
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10 Posts
Discussion Starter #4
Thanks for the help guys, got the part ordered today gonna put it on tomorrow.
 

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1 Posts
can you share exactly what you found to be wrong with it? I'm having the exact same problem. I doubt mine is the wheel bearing as it's not consistent and doesn't get louder as i accelerate.
 

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2001 Outback H6
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86 Posts
Check to see if the brake dust shield hasn't been bent in and rubbing against the rotor. This can easily happen, especially if you are in a rust belt.
 
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