noise...rear wheel bearing??? - Subaru Forester Owners Forum
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post #1 of 53 (permalink) Old 02-01-2007, 03:17 PM Thread Starter
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noise...rear wheel bearing???

i have a noise that is just starting. its a slight humming sound between 60-70mph and i cant tell if its coming from the rear. also i have a set of dunlop wintersport m3's that are on there last season. im wondering what sort of noise the rear wheel bearings make when they start to go. im also wondering if it could be the worn winter tires

15 XT, Avo TMIC, Perrin MC brace, 20mm RSB
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post #2 of 53 (permalink) Old 02-01-2007, 04:32 PM
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As a owner of a 2000 that has the wheel bearings on their way out, I would suspect, from the symptoms you've described, that it is indeed your wheel bearings. Mine started with a hum that I mistakenly attributed to my studded snow tires...it's not the tires. If it is the bearings it will get noiser and NOISER, until keeping the radio loud enough to drain out the noise no longer works. My local stealership will charge me 550 bucks plus tax to fix the problem. Hopefully others that are WAY more experienced than I at subie's (basically everyone else on here) will put their thoughts to this as well for you. But in my own experience, the light humming was the start of it. I also had a little bit of squealing as if my brakes needed replacing, which they didn't. Hope this helps.

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post #3 of 53 (permalink) Old 02-01-2007, 04:36 PM Thread Starter
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yeah i had my front wheel bearing go and it was a different sound but it seems like its been getting louder everyday. i guess i cant complain i have a 131k miles and have yet to replace one. my radiator also started leaking too. looks like im gonna have to take out a loan

15 XT, Avo TMIC, Perrin MC brace, 20mm RSB
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post #4 of 53 (permalink) Old 02-01-2007, 04:43 PM
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Could also be the rear diff if it's mostly occuring between 60-70 mph. Wheel bearing hum is pretty much constant regardless of speed. Do you tend to hear it most loudly while coasting or under very light accel?

-Silke
04 FXT PP PSM ~ "Subed"
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post #5 of 53 (permalink) Old 02-01-2007, 05:41 PM
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I've experienced louder humming in the past as my AT tyres wear further down the shoulder lugs.

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post #6 of 53 (permalink) Old 02-02-2007, 04:07 AM Thread Starter
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its most pronounced when going from 60-70 mph although sometimes i hear a slight noise at 40. i changed my rear diff fluid about a year ago with mobil 1. maybe i will try it again

15 XT, Avo TMIC, Perrin MC brace, 20mm RSB
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post #7 of 53 (permalink) Old 02-07-2007, 01:41 PM Thread Starter
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ok well its gotten worse. it was a humming and now its almost like a grinding sound and i can hear it at all speeds now. the boots look good in a rear so im still thinking bearing. any other ideas. also if it is a rear wheel bearing how long can i get away with riding on it? i have next week off from work and would like to get it done then when i have time.

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post #8 of 53 (permalink) Old 02-11-2007, 08:10 PM
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I have 04 Xt 5spd with a similar noise. Most noticeable at highway speeds. I've also noticed that when driving on icy roads the car behaves poorly. Leads me to think it's more of diff issue. Anyone else have this?
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post #9 of 53 (permalink) Old 02-11-2007, 08:52 PM
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I just recently (November '06) had my left rear wheel bearing replaced on my '98...it was a costly repair ($530) and I went about a month before having it repaired. It started out just as it has been described in previous posts. Although I was not happy to have to spend that much money, I was fairly impressed since it was the only one I've had to replace...*knocks on wood*

Good luck with your repairs :-)

Jason
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post #10 of 53 (permalink) Old 02-11-2007, 10:42 PM
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Since it is unusual for wheel bearings to fail both sides at exactly the same time, generally a failing wheel bearing will be louder when cornering in one direction and quieter, or inaudible, the other. It will be noisest when the most load is on it (when it is on the outside of the curve) and quietest when the load is off it (on the inside of the curve).

If it makes no difference which way you are turning, it probably isn't a wheel bearing.

07 Forester Sports XT 4EAT & 02 WRX wagon 5MT
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post #11 of 53 (permalink) Old 02-12-2007, 06:32 AM Thread Starter
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it turned out to be the rear left wheel bearing. cost me 490 to fix it along with a seal up front that was leaking

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post #12 of 53 (permalink) Old 11-18-2008, 12:28 PM
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Wheel Bearing

The rear passenger side bearing on my 2007 Forester is being replaced as we speak---
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post #13 of 53 (permalink) Old 11-22-2008, 08:17 AM
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right rear on my 04 just started humming w/i the last two weeks. What are we looking at, $500?

Anyone know if this can be a D.I.Y project?, have never done a bearing on a Subaru, but more than my fair share of brakes, timing belts, exhaust systems, tune-ups, etc...

Saw the sticky for the repair, but it only goes to the 2003 models, is it different for this model?
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post #14 of 53 (permalink) Old 12-25-2008, 08:30 AM
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Definitely a DIY job, especially if you have a Hub Tamer set or similar tools -- better than standard procedure with use of a press. The Hub Tamer set will pay for itself after one use.

The most difficult and frustrating part can be removing the lateral link bolt, which tends to become corrosion welded inside collars of the lateral link bushings. I had to cut mine off and replace both bushings. In any case, put anti-seize is your friend when reassembling parts.
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post #15 of 53 (permalink) Old 01-01-2009, 06:43 AM
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I had mine in (1998), first they told me oh that is the RT wheel bearing replaced that. Then they said must be the left one, issue is they replaced that in July, once that was on the table it became rear diff issue. Anyone with issues on the rear diff?
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