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Thread: brake squeel

  1. #1
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    Default brake squeel

    Ive got some squeeling from the brake pads (i imagine). Think its the front passenger but you never can tell. Its worst when i get someone else in the car, it often goes away if i push the brake pedal in a couple of mm. but then squells again as it actually slows the car down.

    Im not sure if my car has a low brake pad sensor or not (no lights coming on, on the dash anyway). I heard that they stick tags on the pads now so they purposly make noise when running low.

    but ive also heard that the disc could be warped or the horror stories of bearing problems.

    Im gonna check my pads today. Im guessing i can just look/feel for um through the wheels. But is there anything else i need to be aware of or can look for in regards to finding the problem.

    Its been happening for about a week so i'm guessing its not just crap or water on the pads.

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    Calm down old lad.

    Brake pads squeel either due to heavy braking and the friction material glazes over & to stop it you can rub the surface down with emery cloth but if heavy glazed just replace the pads.

    Or they squeek in the brake pad carrier the part the pads sit in, so remove and clean up with a wire brush and put a little copperslip on the parts were the pad sits in the carrier and on the back of the pad.

    Usually fronts should last 35-40k easily but we all drive differently.

    Same for rears but have heard these don't last quite as long.

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    i'll have to check um. the car was serviced quite regularly before i had it so im guessing the pads thickness should be ok if they last so long.

    i remember reading about the pads moving about. I'll have to get the wheels off when the work over the road closes so i can use their car park area. i got me some copper slip lying around somewhere i think. What classes as light and heavy glazing? i'm still picking the diy mechanics up as i go so ive never come across that

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    It's very shiney and can have surface cracks in the pad, also check the bonding on the rear of pad to metal backing is not coming away from the heat, do this with a wire brush up.

    If your totally unsure just replace the pads and possibly the discs if totally shot but these can be re ground the outside lip off if within wear spec.

    What is the mileage?

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    Regular Member luke4487's Avatar
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    One note on the copper slip... go for ceramic brake paste as I was advised some years ago to stop using copper slip on cars after 2001 due to new brake components being made of aluminium/plastic etc and other materials that can react and corode with the old stuff

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    brake components being made of aluminium/plastic etc

    Which parts in the cars braking system on the vectra has this? New one not noticed any.

  7. #7
    Regular Member luke4487's Avatar
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    I didn't specify on any particular model, I just advised, as I was advised to used ceramic paste on vehicles after 2001...

    Does it matter which vehicles should use which type? Or seeing as they do the same job, is it good practise to just go with the ceramic paste so you don't caught out down the line when you upgrade your car and use the left overs of the copper slip you have lying in the shed...

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    mileage is 96000 miles. I also just realised the front of the service history print off has a different reg plate code to the back of it. So based on that, im guessing the back of the print off only applies to my car. Which means it was serviced at 18k, 40k and 60k

    Cant see anything on there relating to brake pads so im guessing unless there done as standard under the service, they may have never been changed

  9. #9
    Regular Member TimTay's Avatar
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    would also check the backing plate behind the disk to make sure its not touching the disk, i had the same problem a while back and turned out to be the plate just toucing the disk and no more. but the sound went away when i touch the pedel.

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    im gonna get the wheels off tomorrow. starting with the front passenger since i think thats the side its coming from. I'll have a google for this backing plate thing, since ive never really seen the brake system i dont know what your talking about. but i'll try and bear it in mind as a thing to look for when i get the wheel off. Thanks

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