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Old 12-02-2008, 01:07 PM   #1
omeskcus
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Default noise from rear end

Ok so my tires on my 93 AWD Impreza were pretty worn. I got new Kumho solace KR21 tires all the way around. Since I got my car back I notice this loud harmonic hum sound. Its more noiticable at lower speeds, then when i get to about 50 + mph it seems to quiet down. I thought it was maybe a bearing at first but i lifted the car up turned the wheel and check or play. And it does not seem like tire noise, my front tires are super quiet and nothing shakes.

Any suggestions or thoughts.
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Old 12-02-2008, 03:35 PM   #2
GrimmSpeed
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When was the last time you had any brake work done?

Mike
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Old 12-02-2008, 06:15 PM   #3
omeskcus
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never did the rear brakes.
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Old 12-02-2008, 06:20 PM   #4
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try out the drivetrain forum... you will get better results there.
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Old 12-02-2008, 11:07 PM   #5
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Quote:
Originally Posted by omeskcus View Post
never did the rear brakes.
Check to make sure the calipers aren't stuck or see if the pads need to be replaced. My brakes made a similar noise a few years ago and a simple pad replacement and brake cleaning fixed the problem.

Mike
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Old 12-02-2008, 11:48 PM   #6
69subaru360
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Wheel bearings don't have to be loose to be noisy. Does the noise change when you turn the wheel? If it goes away when you turn the wheel it could be a bearing.
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Old 12-03-2008, 03:29 PM   #7
omeskcus
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yeah the noise changes im almost positive now its a dang wheel bearing! I had a mechanic drive it and a few people they all said wheel bearing. Anyone ever change on on a older AWD Impreza. I wanna do it my self.
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Old 12-03-2008, 03:29 PM   #8
omeskcus
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yeah the noise changes im almost positive now its a dang wheel bearing! I had a mechanic drive it and a few people they all said wheel bearing. Anyone ever change on on a older AWD Impreza. I wanna do it my self.
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Old 12-03-2008, 03:45 PM   #9
69subaru360
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Easiest way to do the wheel bearing is to buy a used hub/spindle assembly and just swap it out.
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Old 12-03-2008, 04:18 PM   #10
omeskcus
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what if the bearing in used hub assembly is bad tho?
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Old 12-03-2008, 04:39 PM   #11
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that's a chance you'll have to take.
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Old 12-03-2008, 05:23 PM   #12
69subaru360
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Quote:
Originally Posted by omeskcus View Post
what if the bearing in used hub assembly is bad tho?
When they go bad, they have a notchy feel to them if you spin them by hand off the car. Or if they are really bad they are loose. So if it spins free and quietly it is probably a good one. There is still a slight chance you could get a bad one, but at least you won't have a lot of money in it. I actually did one today on an outback, I got the whole spindle/bearing/hub for $25 at a U-Pull it junkyard.
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Old 12-03-2008, 06:50 PM   #13
omeskcus
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I have checked junk yards in my area before for other parts and no one around me has subarus. Anyone ever change a rear wheel bearing before?
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Old 12-03-2008, 09:59 PM   #14
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its not that difficult if you have a solid chunk of time. you will do best if you go into battle with a shop manual . you can get the bearing new cheap. buy good quality greese like amsoil or lucus red and sticky or something, if you want it to last.

you will need a good sized puller and some other tools . try www.scoobymods.com and do a search there. this place has the best prices around, http://hondasubaruparts.com/partloca...?siteid=215050
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Old 12-04-2008, 09:54 AM   #15
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cool thank you I will look on those sites you provided for me!
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Old 12-04-2008, 10:05 AM   #16
69subaru360
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Or go on www.car-part.com and find a junkyard that will ship to you.
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Old 12-10-2008, 06:44 PM   #17
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ok so I cant tell for sure which side the wheel bearing noise is coming from. When i turn the car left it sounds like the noise is coming from the right. When i jack the rear end up i cant tell the difference. This is driving me nuts.
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