Strange Grinding Noise 98gt - Ford Mustang Forum
 
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post #1 of 9 (permalink) Old 12-16-2009 Thread Starter
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Strange Grinding Noise 98gt

There is a brake grinding noise coming from the passenger side of my car. But its not the brakes. I took it to my mechanic to put it on a lift an could not make the noise. Sometimes it makes the noise(usually after higher speeds) but there is no effect on the perfomance of the car. My ac clucth is bad and grinds and seems to be suspect but the sound is in unision with the tires rotating(when coasting and slowing down). Its very stange any ideas?


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post #2 of 9 (permalink) Old 12-16-2009
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sounds like it could be a hub bearing if it didn't do it on the lift but does it when the weight of the vehicle is on the ground...as for the A/C clutch just make sure your A/C is off when you road test it


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post #3 of 9 (permalink) Old 12-16-2009 Thread Starter
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Still makes noise with it off. The ac clutch is one of the detatachable ones where you dont need a new compresser. If it is the wheel bearing wouldnt the noise be god awful? It sounds more like the low brake indicator and its only audible when the car slows down while coasting (5-25mph).

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post #4 of 9 (permalink) Old 12-16-2009
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The wear tab on the brakes wouldn't make noise when coasting unless they are really really bad. I agree with the wheel bearing, you can jack it up and see if there is any slack in the wheel, ie it can be moved by hand up and down or side to side. A heat gun is also useful, if the bearing is bad, the one wheel will be quite a bit hotter than the others after driving for a while.

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post #5 of 9 (permalink) Old 12-16-2009 Thread Starter
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Ya the brakes are a 45%ish so its not the wear indicator and the front struts are bad... so there is a little slack. What is the worst case scenario if i it is the wheel bearing? my wheel seizes and I cause an accident or unbearble noise?

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post #6 of 9 (permalink) Old 12-16-2009
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a caliper ? mabe ?

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post #7 of 9 (permalink) Old 12-17-2009
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Do what racin366 said to check for it. The bearing would still make a noise even without any of the vehicle weight on it simple because there weight of the tire and rotor are pulling on it, it just won't be as bad and when its on the ground. You don't want to just go buying and replacing parts when you don't need too

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post #8 of 9 (permalink) Old 12-17-2009
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Worst case senario if it is the wheel bearing is it siezes, and gets you killed. In most cases I would say that's bad. Definitely not something you want to skimp on or try to wait out, its not worth the risk, if you absolutely must do it on the cheap you can go to a salvage yard and get a whole spindle, I've had to do this before on my old delivery cars back in the day, but its better to get a new bearing.

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post #9 of 9 (permalink) Old 12-18-2009 Thread Starter
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Angry

Ya I don't think it is the bearing... A death would be bad lol. I really think it has something to do with the ac clutch. I dont know its annoying becuase its not always there and I dont want a siezed wheel and death.

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