2nd step: Bleeding at front on right with running booster pump
CAUTION:
For vehicles with extremely high mileage or for very old vehicles, damage to the brake master cylinder can occur and the primary boots can be damaged!
- Double the number of pumping cycles and use only half of the master brake cylinder stroke!
NOTE:
- Bleed brakes as usual!
- Do not carry out booster pump activation with the Porsche System Tester 2 until after this has been done (after conventional bleeding) as otherwise damage to the booster pump can occur!
- To bleed at front on right with running booster pump the bleeding device remains connected (switched on)! Bleeding pressure approximately 2.0 bar!
- Connect the Porsche System Tester 2 to the diagnostic socket.
- Switch ignition on. Select the "Bleed" menu in the PSM system. Entry takes place through the ABS system (automatic status change after PSM).
- Open the front right bleeder valve (use hose and collecting bottle).NOTE: After a certain period of time has elapsed, the Tester switches off automatically (leaves the menu)! If necessary, continue the procedure after a certain waiting time (select Bleed menu again)!
- Press the Start button on the System Tester. In this way the booster pump is activated.
- 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.
- Close the right front bleeder valve. Then immediately press the Stop button on the System Tester. In this way pump operation is ended.
- Switch ignition off and disconnect System Tester.
- Switch off and disconnect the bleeding device. Correct the brake fluid level if necessary.