Check the brake disc

Fig 1: Checking Brake Disc

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 = 23.0 mm. Minimum recommended disc thickness when installing new brake pads = 23.8 mm. For 16" brake discs the minimum thickness/replacement limit = 25 mm. Minimum recommended disc thickness when installing new brake pads = 25.8 mm.