Cayenne Turbo (9PA) V8-4.8L Turbo (2008)
19. Remove both clips for the air-conditioning lines in the plenum panel.
20. Pull the brake lines to the brake master cylinder and left front wheel carefully forward and press the air conditioning lines down. Make sure that
the boot on the brake booster -arrow- does not get stuck in the duct to the passenger compartment.
21. Carefully pull out the brake booster -direction arrow- to the front.
Installing brake booster
Danger
Porsche Stability Management does not work without values for the current brake pressure.
Danger of personal injury and material damage when the hydraulic unit is not calibrated.
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After assembly of the brake master cylinder or hydraulic unit, the pressure sensor must be calibrated with the Porsche System Tester.
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To do this, calibrate the pressure sensor in the menu ] PSM ] Calibration ] Pressure sensor [.
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The security code is stored under menu ] PSM ] Actual values ] Security code [. The code is entered in the last four positions.
Information
Absolute cleanliness is necessary when installing the brake booster as well as the adjacent brake master cylinder. Dirt can cause faults in the
system.
Calibrate the vehicle with the Porsche System Tester.
Bleed the vehicle according to the plan to ensure full operation of the brake system.
When inserting the brake booster, make sure the brake pushrod and boot are guided correctly.
Pay attention to tightening torques.