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Screech

inc spare tyres & tyre pressure

Post Fri Sep 20, 2013 8:15 pm
photojohn User avatar

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Hi guys,
Did a 350 mile trip back up north today. Car sat for around 3hrs when I got herr. Just done a short trip round town and the brakes are screeching everytime I touch them.
Any advice on the reason gratefully received :smile:

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Post Fri Sep 20, 2013 9:19 pm
xzibit206 Senior Member
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mine do the same at times. It's from one of two sources,

- Your brake pads are worn out and it's metal on metal (unlikely unless you have a huge mileage)
- Your discs and pads have reached a point of wear at which they resonate at an audible frequency and there is sod all you can do about it

Try braking a little harder, usually it's only when I'm barely touching the brake pad that it makes a noise. I wouldn't advise putting on sprays or anything else to try and "lubricate" the squeal away. As I'm sure you can imagine this isn't a great solution........

Edit - would changed to wouldn't
Last edited by xzibit206 on Fri Sep 20, 2013 10:04 pm, edited 1 time in total.
Gary , Nera Black 156 GT

Post Fri Sep 20, 2013 9:28 pm
photojohn User avatar

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Well the Cars only 2 weeks old so it's not worn parts. Have noticed the disk get a coat of rust over night .

Maybe a bit of copper grease will do?

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Post Fri Sep 20, 2013 9:54 pm
donnaj1dlh User avatar

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photojohn wrote:
Well the Cars only 2 weeks old so it's not worn parts. Have noticed the disk get a coat of rust over night .

Maybe a bit of copper grease will do?

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Greasing discs?? ARE YOU MENTAL??? :eusa-think:

Mine do it too, usually when sitting in traffic under light pressure. Amber's just been serviced so I know the pads/discs are ok.
Celebrated the birth of a "bog standard" Amber Red 2.0 HDi GT RCZ............born on 01 Oct 11
.... staying faithful to the brand:
2011 RCZ HDi GT, Amber Red
2006 207 HDi GT, Lacerta Yellow
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and then I went and bought a Volcanic Orange Mini Cooper S, born 14Jun14 ... 'kin meong.......

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Post Fri Sep 20, 2013 9:54 pm
xzibit206 Senior Member
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NOOOOO!!!!!!!!!!!!!! NEVER EVER EVER PUT GREASE ON BRAKES!!!!!!!!!!!!!

Brakes work with friction. Take that friction away and you might as well cut the brake lines.

The fine coat of rust is normal. Happens to mine when it either gets wet or I wash it. It's a light surface coating that disappears quickly.

If you are seriously annoyed by the squeal then you could try changing the brake pads to another type or material but I doubt you'd want to pay for the expense.
Gary , Nera Black 156 GT

Post Fri Sep 20, 2013 9:56 pm
donnaj1dlh User avatar

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To be fair Gary ...your first reply said "I would advise" but I know you meant "I wouldN'T advise" :)
Celebrated the birth of a "bog standard" Amber Red 2.0 HDi GT RCZ............born on 01 Oct 11
.... staying faithful to the brand:
2011 RCZ HDi GT, Amber Red
2006 207 HDi GT, Lacerta Yellow
2000 306 HDi DTurbo, China Blue
1998 306 DTurbo, Silver
and then I went and bought a Volcanic Orange Mini Cooper S, born 14Jun14 ... 'kin meong.......

Image

Post Fri Sep 20, 2013 9:59 pm
mrizzle User avatar

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Hmmmm...this is a little puzzling given the age of the car. I'd get it checked out.
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Post Fri Sep 20, 2013 10:03 pm
xzibit206 Senior Member
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Sugar, thanks for the spot! That's what I get for posting on my phone :)
Gary , Nera Black 156 GT

Post Fri Sep 20, 2013 10:24 pm
photojohn User avatar

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Lol guys. Copper grease doesn't go on the disks or pads. It's for the components of the brakes. I was thinking that one or more if the calipers could be sticking, causing the screech. So copper grease tge caliper to make sure it's free abd moving as it should.

Although wd40 on the disks does sound fun lol. :-?

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Post Thu Sep 26, 2013 6:38 pm
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You need new and better brakes, and we sell them ;)

Post Thu Sep 26, 2013 7:05 pm
jassyo06 Senior Member
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You may have debris trapped on the pads mate this will scratch the disc's ,look for deep un even grooves on your front discs

Post Thu Sep 26, 2013 7:07 pm
photojohn User avatar

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jassyo06 wrote:
You may have debris trapped on the pads mate this will scratch the disc's ,look for deep un even grooves on your front discs


Thanks Jassy, I hadn't even considered that! Will check them over this weekend. Cheers mate!

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