Today I noticed a scrapping sound as I braked and turned right at the bottom of a 20% hill. I replicated the sound again in a car park close to work. It did it again on the way home, this time without braking. So I decided to investigate before needing the car for work in the morning. The sound appeared to originate from the nearside front, so figured that's a good a place to investigate.
I took the wheel off and spotted the potential source of the scrapping noise. I serviced the front brakes in September 2016, just before the MOT. I fitted new Delphi discs and pads, as I've always had good results from them.
Delphi pads are fitted with an extra soft iron backing plate, which is bonded to the pad backing material. Well it seem that the glue between the layers has broken down, as the iron backing has slipped against the disc bell. I couldn't actually see any evidence of contact, but it was definitely in contact when I looked. So I stripped the pads out, removed the iron backing and refitted the pads. I also noticed that the actual friction material is beginning to crumble and pit. I've never had a problem with Delphi before, so I'm wondering if I've picked up a set of fakes? I'll order a replacement set of pads to replace these ones with.
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For the moment, I'm hoping that I've cured the noise, I guess I'll find out tomorrow.
The offside was fine, which adds to the mystery somewhat.
I also identified the annoying creaking sound I've had for 18 months. It appears to be from the ARB bushes, which is annoying as they're 18 months old. I'm swapping those for poly, which won't creak in future.
I also discovered that the drop links have perished boots, so that's less then 12 months for those. As I got cheap ones for last MOT. This time I'm fitting Delphi instead.