Sequence of works
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 the wiper arm back and gently move it away from the axle cone.
5. Unscrew and remove the nut.
6. Carefully remove the wiper arm to avoid damaging the washer nozzle.
