2. A film may form on the brushes which affects their effectiveness, so the brushes should be washed regularly in a cleaning solution.
3. The operation of the brush mechanism may cause bolts, nuts and fasteners to become loose, so they should be checked and tightened if necessary at the same time as checking the brush rubbers.
4. If the rubber bands of the brushes (sometimes called inserts) have cracks, are worn out or have felted, they should be replaced with new ones.
Windscreen wiper
5. Remove the blade from the wiper arm (see illustration), using a small screwdriver to lift the latch.
11.5. Lift the latch, then remove the brush from the lever
6. Once the brush is removed, you can take the rubber out of it.
7. Grasp the end of the wiper blade with one hand and the rubber band with the other. Pull one end of the rubber band out of the blade to remove it, then pull the entire rubber band out (see illustration).
11.7. With one hand, grasp the end of the wiper blade and pull the rubber band out of the end of the blade, then remove the rubber band
Rear wiper
8. Insert a small screwdriver into the slot and remove the blade from the wiper arm shaft (see illustration).
11.8. Insert a small screwdriver into the gap and remove the rear wiper from the arm shaft
9. Using pliers, squeeze the clips on the end of the brush together, then slide the rubber band out and away from the brush.
For all models
10. Compare the new elastic band with the old one in length, design, etc.
11. Perform all disassembly operations in reverse order and insert the new brush into place. This will automatically lock it in the correct position.
12. Install the wiper blade back on the arm, wet the windshield or rear window and check that the blade is working properly.
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