SX4 2WD L4-2.0L (2007)
Seating contact width
Create contact pattern on each valve in the usual manner, i.e., by giving uniform coat of marking compound to valve seat and by rotatingly tapping
seat with valve head. Valve lapper (tool used in valve lapping) must be used.
Pattern produced on seating face of valve must be a continuous ring without any break, and the width of pattern must be within specified range.
Standard seating width "a" revealed by contact pattern on valve face Intake and Exhaust: 1.0 - 1.4 mm (0.0389 - 0.0551 in.)
