1. Turn on the wiper motor, then turn it off when the wipers return to their original position.
2. Remove the plastic cover from the wiper arm base.
3. Raise the wiper arm and, using a large screwdriver as a lever, remove the wiper arm from the shaft. If the wiper arm sits very tightly on the axle, then a special puller must be used to remove it.
4. Installation is made in sequence, return to removal.