1. Mark the position of the wiper blade with a marker or tape.
2. Disconnect washer hoses.
3. Remove the trim of the wiper arms.
4. Loosen the nut. Tightening torque 25 Nm.
5. Swinging the screen wiper lever back and forth, remove it.
6. Clean the splined portion of the wiper link shaft with an iron brush.
7. Install in the reverse order of removal.