Page 2
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Connect the Porsche System Tester 2 to the diagnostic socket. The diagnostic socket is located in the driver's footwell (left-hand drive vehicles) or
passenger's footwell (right-hand drive vehicles near the fuse box.
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Open the rear right bleeder valve (use collecting bottle).
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Press the Start button on the System Tester. This initiates certain functions in the hydraulic control unit (return pump, switch-off and switch-over
valves are actuated). Bleed until clear, bubble-free brake fluid emerges. In addition (throughout bleeding operation) fully depress (pump) brake
pedal as far as the stop at least ten times.
Caution:
In vehicles with high mileage or in old vehicles, double the pumping cycles and use only half the brake master cylinder stroke (damage
to the brake master cylinder could result / primary boot damage).
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Close the right rear bleeder valve. Then immediately press Stop button on the System Tester.
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Switch ignition off and disconnect System Tester.
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Switch off and disconnect bleeder device. Correct brake fluid level if necessary.
This is a source reference. Confirm exact model applicability in the original material.