The wiper arms and the scuttle must be removed in order to be able to take off the wiper frame with linkage and wiper motor.
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Before removing the wiper arms ensure that the wiper motor is in the park position. This is important in order to correctly set the park position when re-installing the wiper arms.
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The protective housing for the control units in the plenum chamber on the left also should be removed.
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Use a screwdriver to lever off the two caps -arrows-.
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Release the hexagon nuts -arrows- (20 Nm), but do not unscrew completely.
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Slightly move the wiper arms until they detach.
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Now fully unscrew the hexagon nuts and remove the wiper arms.