Release and unplug the connector from the brake light switch -F- and the brake pedal switch -F47 -, remove the switch from its bracket, rotating 45° to the left hand side.
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Separate the brake pedal from the brake servo using the calliper tool -T20179 -.
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Fit and press the release tool -T20179 -; move the brake pedal towards the driver's seat (this separates the brake pedal from the control rod swivel head).