Installing Vacuum Pump

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2018 Porsche Cayenne, 2017 Porsche Cayenne, 2016 Porsche Cayenne, 2015 Porsche Cayenne, and 2014 Porsche Cayenne. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying Vacuum Pump Components

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Vacuum pump
Fastening screws
Sealing ring
Sealing ring

Replace sealing rings -2, 3- on vacuum pump -1- .
Carefully loosen and lever off the sealing rings -2, 3- using a suitable tool. Clean contact surface of sealing rings -2, 3- and fit new sealing rings -2, 3- .

Fig 2: Identifying Replacing Sealing Rings On Vacuum Pump
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Install vacuum pump.
1. 2.1. Clean mounting point before installation.
2. 2.2. Fit and secure the vacuum pump -1- .
  Align driver for vacuum pump -1- and fit the vacuum pump -1- . Screw in and tighten screws -2- .
  
  Observe the correct tightening torque. → 4X00IN TIGHTENING TORQUES FOR BRAKE HYDRAULICS
  
  Fig 3: Identifying Vacuum Pump (Mechanical)
  Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Fit vacuum line -2- for brake booster onto the vacuum pump -3- and secure the clamp -1- .

Fig 4: Identifying Vacuum Pump, Line And Break Booster
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Connect vacuum supply hose -1- to the vacuum pump -2- .

Fig 5: Identifying Vacuum Supply Hose To Vacuum Pump
Courtesy of PORSCHE CARS NORTH AMERICA, INC.