Corrosion on brake discs

Gloomendoom

salubrious wrote: »

There are two faces to a brake disc. You've took pictures of the outside face. The inside disc faces are more inclined to suffer deterioration for many a reason.

I've just spent the afternoon changing the discs and pads on the back of my car and, on both discs, the inside face was more heavily corroded than the outer.

sevenhills

Richard53 wrote: »

Dentists are generally trusted. Garages maybe less so.

There is a shortage of skilled dentists, where as anyone can change a set of brake pads/discs, even someone without A levels. So there may be too much competition in the motor trade.

Dentists pull out THOUSANDS of teeth unnecessarily every year because NHS rules pay them the same for a simple extraction as for complex surgery, study finds

Read more: http://www.dailymail.co.uk/news/article-3726896/Dentists-pull-THOUSANDS-teeth-unnecessarily-year-NHS-rules-pay-simple-extraction-complex-surgery-probe-finds.html#ixzz4qEIwAUHk

Walsh_McPherson

Rust/corrosion is responsible for brake pad failure that can be directly responsible for noise AND significant safety issues. You may be interested to review what was recently published in Auto Dealer Magazine on the subject of rust in braking (check out the link below):
autodealertodaymagazine.com/355258/opinion-aftermarket-brakes-are-a-rusty-menace

Robisere

With all due respect to a Newbie:

As the last post was ended over 12 months ago, I would imagine that the OP had sorted out the situation long ago.