what do bad wheel bearings sound like or just brakes?

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Thread: what do bad wheel bearings sound like or just brakes?

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    Nottin' like boost... 99YellowStang's Avatar
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    what do bad wheel bearings sound like or just brakes?

    When I coast by another car, or close to a building i notice my car makes a shimming noise of like metal on metal, everytime the wheel turns it makes the noise, its not that loud, but still annoying knowing its there, i first noticed it a while ago when I had new brake pads put in, did they not move the piston on the caliper back far enough and its just lightly rubbing or does it sound liek a bad wheel bearing? Is the brake pad lightly rubbing in one spot possible because for stock pads they put out a HUGE amount of brake dust, more then normal I assume.

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    Nottin' like boost... 99YellowStang's Avatar
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    ttt

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    i lift trucks domoMKIV's Avatar
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    when the bearings on my gf's civic went out (rear passenger side ONLY).....it made a really loud whirring noise, very similar to road noise you get from the tires but MUCH louder. it was enough to give me a horrible headache when on the freeway at 65-80.

    so that might rule out a bad wheel bearing but im not POSITIVE, just sharing some info as far as noises are concerned.

  5. #4
    GReddySetGO
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    Do you hear it even at low speed? Like MKIV said, wheel bearings make a whining type of noise, and usually not audible until at higher speeds. It sounds like something is touching your rotor.

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    Some bad wheel bearings on my friends car sounded like a small grinding noise and eventually got louder as he drove the vehicle. Finally coming to the point of not driving the car.. Until he got them fixed.
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    Mechanical Engineer Supra-Holic's Avatar
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    I have something similar going on. Its coming from my driver side rear. Replacing the wheel bearing myself not to long ago. I know thats not it.

    When my wheel bearing went out. It started off as a soft grinding until it go so bad that the whole car was shaking, snap, crackle, pop style.
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    SupraForums Member WhiteBlazze's Avatar
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    If your wheel bearings get that bad....I hope you also replace the wheel hubs!!

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    SupraForums Member rex03's Avatar
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    I wondered the same thing. I know of 2 MKIVs here that do it....the MKIVs here that dont do it are all n/as...dont know if this has anything to do with it, but sort of a strange coincidence, isnt it? Well if you figure it out, let us know.....its sort of a "binding" noise when you turn the wheel, right? Dont have to be moving or anything...right?

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    EchoDeDupra Supradedupra's Avatar
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    ive replaced two wheel bearings...

    and one of the wheels i replaced it on is making that noise again

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    Demented Motorsports
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    Wheel Bearings

    For all of you changing wheel bearings. CLOSELY inspect the Hubs (part with lug studs in them) for wear. If your wheel bearings are making noise, its probably gotten to your hubs too. I would not even do another wheel bearing job without getting new hubs for my car after doing my MR2 wheel bearings 2 times in 3 months. DO NOT PRESS BAD HUBS INTO NEW BEARINGS it won't last at all.

    And yes, it sounds like brakes grinding.

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    Mechanical Engineer Supra-Holic's Avatar
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    Yeah, I had to replace that(hub) also. As soon as the e-brake came off the hub basically fell out. The whole process was a PITA, no power tools.
    Last edited by Supra-Holic; 10-05-2004 at 01:24 PM.

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    EchoDeDupra Supradedupra's Avatar
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    both times i have replaced the hubs with the bearings

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    SupraForums Member Ryan P's Avatar
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    When my drivers side wheel bearing went bad, it made almost no noise on the highway. The only symptom it had at early stages was a clicking noise with each revolution of the wheel at very low speeds. I couldn't even hear it until I was next to a building or something. I jacked the car up and found a tiny bit of paly on the rear wheel. Despite catching the problem this early, the hub was still unusable. I wouldn't even take a chance replacing the bearing without replacing the hub. Make sure you order all new dust and grease seals as well. I think the total in parts was around $180 or somethiing like that from Jay Marks. Toyota will charge $500 for this job MINIMUM. It's not too bad to do, the ball joints are kind of a pain to pop off the spindle, and you need a press to press out the old bearing and hub. Other than that, it's straight forward.
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    AEM Nutkase BLKMGK's Avatar
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    Aw geez, guess who needs to do this! Driver's side rear hub has been making a little noise, thought it was a brake dragging. Checked it out, found nothing, and then when putting the wheel back on I saw it shift. Uh oh! Nut on the hub was finger tight, I'm quite sure it was due to the bearing being TOAST.

    I'm not sure I've got time to do this. I have a lift and a press but this is my daily driver! I'll be calling the local stealer tomorrow to see what they have to say for an estimate. Fun fun. If I had the parts on hand I might consider doing it but....

    Anyone got part numbers for the hub and bearings?
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    THE NOTORIOUS BHP Raretoy's Avatar
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    i noticed bad brakes dont change noises on hard turns. A bad bearing will really act up if you turn hard.

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    SupraForums Member
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    Originally posted by Raretoy
    i noticed bad brakes dont change noises on hard turns. A bad bearing will really act up if you turn hard.
    When my driver rear wheel bearing went out, on right turns where load was placed on that side the noises would get louder and vice versa for left turns.

  18. #17
    Digital DNA
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    It could possibly be your rotor(s) dragging, especially if they are warped. Could be the brake piston not being flushed back in properly as well. Your issue doesn't sound like a wheel bearing problem. Most likely a brake issue of some sort.
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    Nottin' like boost... 99YellowStang's Avatar
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    yeah thats what i get for going to "just brakes"

  20. #19
    4 T's and an X T AND X's Avatar
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    Check the tabs on your brake shims. They are a little warning system designed to make a sound when your brake pad get low.

  21. #20
    Republican Ckanderson's Avatar
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    Originally posted by 99YellowStang
    yeah thats what i get for going to "just brakes"
    OK, let me educate ya...

    about pistons not being pushed back far enough.....
    rotors arnt cut flat. they have what is called lateral runnout. in effect it is kinda wavy (not some thing that you can see) this is done to effectivly push the pad away from the surface of the rotor, when your not braking, so the pads dont drag. when your stering wheel wobbles when you brake, that is because you have excessive lateral runnout, meaning your rotors are wavier then they should be. or "warped"

    I bet its just the sound of your pads dragging a little. ask if they resurfaced the rotors. also, wheel bearing noise is more promenent when your turning, or putting load on the wheel on the freeway. i.e. changing lanes. it will make a very distinct wirring noise. sounds nothing like brakes. the bad wheel is the ouside one. (you turn left, the right wheel bearing is fucked)

    now next time, do the brakes yourself!
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