Sequence of work
1. Mark the position of the brush on the glass with a piece of adhesive tape for subsequent installation.
2. Remove the cap on the wiper drive shaft.
3. Loosen the axle shaft nut two turns.
4. Pull back on the wiper lever and carefully slide it off the axle cone.
5. Loosen and remove the nut.
6. Carefully remove the wiper arm so as not to damage the washer nozzle.