Check the brake disc

Fig 1: Identifying Brake Disc And Caliper Holder

Courtesy of VOLVO CARS OF NORTH AMERICA.

Check brake disc friction surfaces.

If the brake disc displays signs of out-of-true, check its lateral run out. See Brake disc front, calibrating .

Replace the brake disc if it displays signs of heavy wear, variable thickness or similar. To replace, see Replacing front brake discs .

NOTE:

Minimum recommended disc thickness / replacement limit = 23.0mm. Minimum recommended disc thickness when installing new brake pads = 23.8mm.

For 16" brake discs the minimum thickness / replacement limit = 25mm. Minimum recommended disc thickness when installing new brake pads = 25.8mm.