Cleaning the brake caliper

Fig 1: Identifying Brake Disc And Caliper Holder

Courtesy of VOLVO CARS OF NORTH AMERICA.

Clean and check the brake caliper and dust cover.

Clean and check the brake pad mating surfaces in the brake caliper and caliper holder.

Clean the sliding pins using a steel brush.

Check piston dust boot.

NOTE:

If the dust boot is damaged, dirt may have penetrated into the cylinder. If this is the case, the caliper must be replaced.