Rear window wiper motor - removal and refitting
Removal
Tailgate-mounted motor
1. Disconnect the battery earth lead.
2. Remove the wiper arm.
3. Remove the clamp nut from the wiper spindle.
4.Remove the tailgate inner trim panel.
5. Remove the contact pin nut and disconnect the wiper motor wire from it.
(On Estate models, simply disconnect the motor from the tailgate harness.)
6. Remove the two securing screws and carefully withdraw the motor and its wiring (see illustration).
Rear wiper motor securing screws (arrowed) - tailgate-mounted motor
Window-mounted motor
7. Disconnect the battery earth lead.
8. Remove the rear wiper arm and withdraw the rubber cover from the spindle (see illustration).
9. Undo the retaining nut, withdraw the motor from its location a little way and support it (see illustration).
Removing the window-mounted motor
10. Remove the tailgate inner trim panel by prising free the plastic retainers.
11. Remove the tailgate contact pins.
12. Detach the motor wiring from the retainer inside the tailgate. Remove the motor with its wiring and bracket.
13. To inspect the motor and control circuitry, remove the two screws which secure the bracket to the cover and the four screws which secure the cover to the motor. Remove the cover (see illustrations).
Undo the retaining screws and remove the mounting bracket . . .
. . . then undo the retaining screws . . .
. . . and remove the motor cover to gain access to the motor wiring
Refitting
14. Refit in the reverse order to removal, but check for correct operation before refitting the trim panel.
Test yourself
A quick Opel Corsa quiz: every answer comes with an explanation and a link to the manual page.