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Old 09-16-2001, 09:00 PM   #1
Marc Sawaya
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Thumbs down Help! Strange noise from the back of the car.

Ack! Whenever I'm moving now (I'm convinced it's associated with the rear wheels rolling), it sounds like something is rubbing against something else. I hope it's just the tires, but it sounds more metallic. Last weekend I changed my tranny and diff fluids, could that be associated? Like maybe I didn't but enough diff fluid in and some the the parts are rubbing together. That wouldn't be good. Anybody have an idea what's happening?

Marc
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Old 09-16-2001, 09:04 PM   #2
munkis
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check your fluid levels asap, and make sure you used the correct fluids

could also be the feared subaru wheel bearing, still under warranty?

Jay McDade
Auto Tech--Lincoln/Mercury/Jaguar
www.hometown.aol.com/impreza25rs2000
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Old 09-17-2001, 12:04 PM   #3
Marc Sawaya
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bump- any more ideas?
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Old 09-17-2001, 12:08 PM   #4
Subie Gal
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brakes... rear brakes.... check em...

and be certain that your tire is not rubbing...
stock suspension?
stock tires??

j.
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Old 09-17-2001, 12:42 PM   #5
CosmoTheCat
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Have you been in gravel at all? Pick up a stone in the rear brake?
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Old 09-17-2001, 03:23 PM   #6
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I think you answered your own question, especially if you have checked some of the other things mentioned above. From what I understand it is very important to use the correct oils and to make sure you fill to the correct level.

Hope you sort it out,

-Anders
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Old 09-17-2001, 03:29 PM   #7
wilddave1
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I have picked up rocks several times inbetween my front disk and dust shield. I would check this first. Have you driven on fresh tarmac or tar covered gravel recently?
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Old 09-17-2001, 07:57 PM   #8
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Well if you really want to track down the problem on your own then get the car on a lift or jack stands so that all four are off the ground. Grab the top and bottom of the tires and give them a wiggle. If there is some play in the bearing you will notice it by the wheel rocking in and out. Check the brake pads to see if you picked up a rock. If not then see if you have a warped rotor or if the caliper needs rebuilding. If the caliper freezes up it will do it either at the pistons or at the posts that allow for equal pressure front and rear. If the calipers freeze up they will make a dragging sound. The rear diff shouldn't go out unless you've really abused it or you didn't use the right fluid/not filled up enough. All of these are easy to check for and should take you more then 20min to do. If you have a bad caliper then order a rebuild kit and drop me an email. I can give you a walk through on how to rebuild them. For the bearing you had better take that to the dealership.
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Old 09-18-2001, 11:10 AM   #9
Marc Sawaya
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I'm going out to check for something in the brakes now, otherwise I'm just gonna take it to the local dealer because I don't have the tools to check the diff fluid or put the car up on stands. I kind of hope it's the wheel bearing thing, because I really don't want the diff to be messed up, especially if it's my fault! I'm pretty sure I did everything right, and I used the same fluid as Fishguy because he did his at the same time. Are you getting this noise, Fishy?
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Old 09-18-2001, 10:22 PM   #10
Marc Sawaya
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Well, I took it to the dealer today (back to Tri-State, where NESIC had a mini-meet last weekend), and they said it's the wheel bearing. That's sort of a relief, because it means it's not my fault, plus it's not going to cost me anything. And I didn't screw up my diff.

I'm taking it in on Thursday, so hopefully that'll fix everything. Until then, I'm not driving it, I don't want to risk anything.
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Old 09-18-2001, 10:43 PM   #11
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Marc

If it doesnt fix everything I was told my "bump" was a broken or loose strut mount. My friend had a 2000 RS and he had the same sound as i do. Let us know for sure what it turns out to be.
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Old 09-20-2001, 10:16 AM   #12
Marc Sawaya
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Well, I just got it back from the dealer and it seems fixed! No more noise, so I guess it was the wheel bearing. I'm glad that's over with. I got an alignment too, because I'm sure I needed one. So far 24k miles on the car, and the only "repair" it's been in for was this and the recalled O2 sensor, and the sensor wasn't even giving me problems. I just had it replaced as a precautionary measure. Here's to many more problem-free miles!!

Thanks for the help guys,
Marc
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Old 09-20-2001, 02:41 PM   #13
Kalins1
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Marc,
Hello. Glad to hear it's fixed!

What exactly was the noise it was making? Was it a squeaking noise or a "rump...rump...rump" noise?? Did it sound like the squeal that the brakes normally make when you are applying them?

Thanks!

Sean
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Old 09-21-2001, 09:48 AM   #14
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TTT
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Old 09-21-2001, 12:35 PM   #15
Marc Sawaya
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No, it was a steady, metallic "rubbing noise", almost like something was dragging on the ground. You could start to hear it at around 20 mph, and it got louder on the highway. It was very audible, you could definitely tell something was wrong.
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Old 09-21-2001, 03:22 PM   #16
Kalins1
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Phew...thanks. That is definitely not the sound that mine is making. I think I have out of round drums.

Sean
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