Rear brake squealing but not when brake is pressed?

Soldato
Joined
4 Feb 2004
Posts
13,445
Location
Écosse
Our Peugeot 4007 is making a high pitched almost metallic sounding whistle/squealing noise from the rear offside wheel. Started yesterday but my cloth ears couldn't really hear it above the whistling noise the aero roof bars and Barracuda bike carriers make - it was the missus with her 'bat like' hearing who heard it first. Anyway, it's a constant noise as you drive but as soon as you apply pressure on the brake pedal, it vanishes completely. Foot off the brake and it's back again. I'm thinking it could be the 'brake squealers' which let you know the pads are low? The pad you can see from looking through the alloy spokes looks ok but I can't see the inboard one. Pads haven't been replaced in the rear since we got the car a couple of years ago and we've done about 20k miles in it. There's no real excess heat in the discs or hubs when you stop the car and check so I'm kinda ruling out something like a sticky caliper slide or piston.

Got it booked in for tomorrow to local main Peugeot dealer who are going to check it out but just wanted to hear if anyone else had experienced something similar?
 
*UPDATE*

It was indeed the 'brake squealers' telling me to get my finger out and replace the pads. £95 for the pair fitted. Apparently the front pads have sensors on them which give you a warning light on the dash when the pads are low but the rears don't. Anyway, happy that damn noise has gone. :)
 
Bought it with 13k on it. Mileage is reading 51k now so actually nearer 38k miles done rather than 20k. Arithmetic was never my strong point. :p
 
To be honest, £95 isn't a bad price for a main dealer. The pads were £35 and the rest was labour and VAT. I know the dealership well and unlike some Peugeot dealers there are technicians working there who actually have experience of working on my fairly rare model of Pug which is why they get my return business. They also cleaned up the calipers and greased the pins etc and as usual when I picked the car up it had been washed and hoovered.

My days of rolling around under cars fitting things, swearing at components and skinning knuckles are well in the past!. Did all that about 20 years ago but I can easily afford to pay someone else to do it now so don't see why I should bother doing it myself. :p That and I'm currently crocked with a torn knee cartilage which doesn't make kneeling down particularly pleasant. :)
 
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