Removing Brake Booster

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2016 Porsche Panamera, 2015 Porsche Panamera, 2014 Porsche Panamera, 2013 Porsche Panamera, and 2012 Porsche Panamera. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying Brake Booster

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Pull vacuum line -1- off the brake booster.
Unscrew and remove retaining pin -2- .

Fig 2: Pulling Vacuum Line Off Brake Booster
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Disconnect coolant pipe.
Disengage push rod -1- .

Fig 3: Pressing Out Push Rod
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1. 4.1. Unlocking tool 9767 -2- must be guided from below into the pressure piece -3- in front of the ball joint on the push rod -1- .
2. 4.2. Fit unlocking tool -2- at the bottom of the crash support -5- .
3. 4.3. Press lever on unlocking tool forward to separate the pressure piece -3- from the ball joint on the push rod -1- .
4. 4.4. Touch the brake pedal -4- gently to release the push rod -1- and then pull it back again.
  Information
  
  Make sure not to damage the push rod boot when removing the brake booster.
  
  The seal between the brake booster and body must always be replaced.
Remove brake booster.
1. 5.1. Hold the crash support -5- securely so that a second mechanic can take off the outside of the brake booster.
2. 5.2. Hold the brake lines aside carefully ahead of the brake booster.
3. 5.3. Remove brake booster from the engine compartment.