New noise under acceleration / load

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Sam - 09 Feb 2008 23:57 GMT

I've got a 98 outback wagon with 175,000 miles. Over the last couple
days I've noticed a new noise - sort of a loose grinding sound when
the car is accelerating or under a load. It's only when the car is in
gear - ruling out the engine - and i can't hear it if the window is
down. I'm kinda worried this might be the transmission main shaft
bearing, but you'd think I'd be able to hear it all the time, instead
of just when the motor is under a load. Anyone got any idea what this
could be?

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johninKY - 10 Feb 2008 00:25 GMT

Wheel bearing comes to mind. Typically when transmission bearings start to
go the transmission will also start to jump out of gears.

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Tony Hwang - 10 Feb 2008 00:53 GMT

> Wheel bearing comes to mind. Typically when transmission bearings start to
> go the transmission will also start to jump out of gears.
>
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> Message posted using http://www.talkaboutautos.com/group/alt.autos.subaru/
> More information at http://www.talkaboutautos.com/faq.html

Hi,
Ditto, figure out which side. My kids had rear right wheel bearings
replaced.

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Sam - 10 Feb 2008 01:06 GMT

> > Wheel bearing comes to mind. Typically when transmission bearings start to
> > go the transmission will also start to jump out of gears.
[quoted text clipped - 6 lines]
> Ditto, figure out which side. My kids had rear right wheel bearings
> replaced.

I just replaced the left, front wheel bearing not that long ago.
This noise is similar, but not nearly as pronounced as that was. I
suppose it could be one of the other three wheels though.

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