You will need a flat blade screwdriver.
1. Remove the battery (see «Removing and installing the battery»).
2. Disconnect the pads with wires from the terminals of the washer pump motor.
3. Connect the motor leads to a 12V DC source. If the motor is not running or the pump is not delivering fluid, replace it with the motor.
4. Remove the pump by gently pulling it out of the reservoir.
5. Prying with a screwdriver..
6.... remove the pump seal. Replace torn or loose rubber pump seal. Install the pump in the reverse order of removal.
Note. It looks like a pump with an electric motor assembly.