Removing Hydraulic Cylinder

WARNING: Preloaded or pressurized components

→ Wear personal protective gear.

→ Secure components to prevent them from falling off suddenly.

Information

The hydraulic lines, banjo bolts and sealing rings must always be replaced when replacing the hydraulic cylinders!

Fig 1: Overview Of Spoiler Drive (Pump Unit)
Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Pull cap -2- off the hydraulic cylinders -1- .

Fig 2: Pulling Off Cap On Hydraulic Cylinder
Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Information

Before the pump unit can be disassembled, the pump motor must be moved to its lower initial position.
Move pump motor to its lower initial position.

Fig 3: Moving Pump Motor To Lower Initial Position
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
1. 2.1. To do this, connect up the -schmalen Kontakt- 12V (+) and -breiten Kontakt- ground (-) poles. The lower initial position is reached when the piston in the pump unit moves to the mechanical stop and the amperage rating exceeds 10A. The amperage is measured using a → Bosch MMD 302 digital multimeter .
  Information
  
  Open the banjo bolts on the Pentosin tank carefully because the holders and pump unit are pressurized and the Pentosin can spray out.
  
  Information
  
  Open the banjo bolts on the Pentosin tank carefully because the holders and pump unit are pressurized and the Pentosin can spray out.
  
  Information
  
  Counter at the hydraulic line with an open-ended wrench when loosening the banjo bolt.
Screw off hydraulic lines on the hydraulic cylinders.
1. 3.1. Screw off short banjo bolt -4- from hydraulic lines -2 and 3- on hydraulic cylinders -1- .
  Remove short banjo bolt -4- , hydraulic lines -2 and 3- and sealing rings -5- from the hydraulic cylinders -1- .
Fig 4: Removing Hydraulic Lines On Hydraulic Cylinders
Courtesy of PORSCHE CARS NORTH AMERICA, INC.