 Obligatory 'Strange Noise' Topic, Caliper's Locked Up? |
 Sep 21, 2011 - 4:12 PM
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Enthusiast  Joined Mar 29, '11 From Bloomington, IN Currently Offline Reputation: 0 (0%)  |
Well, I have a 95 AT200 w/AT. Lately (for the past month) I've been hearing a noise from underneath. It's on and off, and mostly there's no noise. But when it happens, it's at low speeds, and it sounds like metal on metal contact, like the brakes are rubbing (which is what it could be). My theory is that it might be the exhaust, as I've already had some ghetto welding done on it, but I think the cat's breaking from the inside out, and the metal shavings burning on the inside are what's making the noise, which would explain the intermittent nature of the noise and why I usually only hear it at low speed. Does that sound reasonable?
As far as symptoms, she's driving like a top, aside from some rough idling at times. Shifts are great, no misfiring, oil and trans fluid are fine, engine temp good. I just had the passenger side CV axle replaced, and I know the sound isn't coming from the driver's side. I know this is a pretty poor explanation of the problem, but if it happens again I'll try to record it and then you guys can hear it. But meantime, do you think it could be the exhaust? Edit: The noise seems to amplify when I hit a sharp incline, or roll through a low spot in a parking lot, so that the front of the car is higher than the back. This post has been edited by senick: Oct 6, 2011 - 10:10 AM |
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Sep 28, 2011 - 9:42 AM
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Enthusiast Joined Mar 29, '11 From Bloomington, IN Currently Offline Reputation: 0 (0%) |
You know what though, I'm second guessing it being the wheel bearing. I don't hear anything at high speeds, usually only under 20mph. I'll have to put it on the lift and give a good check next time I work.
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Sep 28, 2011 - 10:58 AM
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Enthusiast Joined May 29, '09 From Gainesville, FL Currently Offline Reputation: 17 (100%) |
QUOTE (senick @ Sep 28, 2011 - 9:42 AM)  You know what though, I'm second guessing it being the wheel bearing. I don't hear anything at high speeds, usually only under 20mph. I'll have to put it on the lift and give a good check next time I work. Good idea. When its lifted, grab the wheel and see if you can shake it back and fourth. If it sits solid and doesn't move, bearing is good. Otherwise, any play. Bad bearing. Edit: You may not hear it at high speed due to road noise. Try going under a tunnel, or getting close to a wall and giving a good listen. This post has been edited by rave2n: Sep 28, 2011 - 12:04 PM |
Posts in this topic
senick Obligatory 'Strange Noise' Topic Sep 21, 2011 - 4:12 PM
rave2n Could be the cat...
Could also be the hub bearing... Sep 22, 2011 - 7:44 AM richee3 What sort of noise is it? Metal on metal grinding,... Sep 22, 2011 - 8:19 AM senick Well, it sounds like metal on metal, and has a har... Sep 22, 2011 - 1:58 PM senick I'll try to get a recording of it, but the las... Sep 22, 2011 - 2:13 PM
rave2n QUOTE (senick @ Sep 22, 2011 - 2:13 ... Sep 23, 2011 - 9:26 AM dudeofchaos Hard to tell when you don't hear it. Coming fr... Sep 22, 2011 - 3:50 PM senick Well, after listening to a good number of sound by... Sep 26, 2011 - 8:15 AM rave2n QUOTE (senick @ Sep 26, 2011 - 8:15 ... Sep 26, 2011 - 11:47 AM senick So I'd need a press for sure? Can anyone seco... Sep 28, 2011 - 9:04 AM rave2n No need for a second...
I'm sure. Sep 28, 2011 - 9:13 AM senick All right, I'll take your word for it. Thanks... Sep 28, 2011 - 9:21 AM richee3 You don't need a press. I did it with nothing ... Sep 29, 2011 - 11:48 PM rave2n QUOTE (richee3 @ Sep 30, 2011 - 12:4... Oct 2, 2011 - 11:47 AM senick Well, after a weekend of traveling on the highway ... Oct 6, 2011 - 10:05 AM stephen_lee if one caliper is dragging the wheel will get cons... Oct 6, 2011 - 10:38 AM richee3 Metal on metal with a harmonic frequency sounds ab... Oct 6, 2011 - 11:17 AM |
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