Removing the left upholstery (see Removing upholstery).
Disconnect the wires from the motor.
Using a Phillips screwdriver, unscrew the two screws securing the clamp..
...and take it off.
Raise the tank..
... and, pulling, we take out the motor pump.
Remove the hose from the motor pump fitting.
Install the tailgate glass washer in reverse order.
When assembled to the pump motor terminal marked with «», connect the red wire with a black stripe.