Wiper and Washer Systems: Service and Repair
Windscreen Wiper Wheel Boxes
Service Repair No - 84.15.25
Remove
1. Disconnect battery.
2. Remove wiper arms.
3. Remove wiper motor and drive rack.
4. Remove instrument housing, fascia crash pad, and ventilator grille panel.
5. Slacken steering column support rod lower fixing.
6. Remove steering column upper support fixing.
7. Slacken nuts to release back plates from LH and RH wheel boxes.
8. Remove drive rack tubes.
9. Slacken grub screws and remove wiper arm adaptors.
10. Remove LH and RH wheelbox spindle nuts.
11. Remove wheel box assemblies from vehicle.
Refit
NOTE: During reassembly, all fixings related to wiper motor and wheelboxes are finger tightened only, until all components are correctly aligned.
12. Fit wheelboxes to bulkhead and secure with retaining nuts and washers.
13. Fit drive rack tubes to wheelboxes.
14. Apply grease to drive rack and wheelboxes.
15. Align wiper motor and mounting pad, secure with retaining strap and tighten drive tube nut.
16. Fully tighten wheelbox back plate nuts.
17. Fully tighten both wheelbox spindle nuts.
18. Fit wiper arm adaptors and secure with grub screw.
19. Before refitting panels fit wiper blades, connect multi-plug and ground lead, reconnect battery and check wiper operation.
20. If satisfactory, secure steering column upper and lower fixings and tighten to correct torque.
21. Fit ventilator grille panel, fascia crash pad, instrument housing and all other components removed to gain access to wiper motor and wheelboxes.