Tucson FWD L4-2.0L (2007)
5. Measure the master cylinder inside diameter and the piston outside diameter with a cylinder gauge micrometer.
NOTE: Measure the inside diameter of the master cylinder at three places (bottom, middle, and top) in a perpendicular direction.
6. If the master cylinder-to-piston clearance exceeds the limit, replace the master cylinder and/or piston assembly.
Limit: 0.15 mm (0.006 inch)