brakes is usually a job for experienced mechanics it is advisable
to have them checked Each time you have your car serviced.
There are problems that may arise in between services and
for a list of their tell tale signs and
Possible Causes for Disc Brake Problems and
your brakes are making a scratching sound when you brake then
it is probably due to worn brake pads/shoes that expose the
head of a rivit which in turn scratches the disc/drum surface.
You will need to take action immediately as this can cause
permanent damage to the braking surface and result in a less
effective brake and a pulling to one side when braking