Bleeding The Pump Unit

WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2013 Porsche 911, 2012 Porsche 911, 2011 Porsche 911, 2010 Porsche 911, and 2009 Porsche 911. However, it is still accessible from the selected car via links, so may be relevant.

Pump unit
Wire harness
Hydraulic cylinder, left
Hydraulic line, short
Hydraulic cylinder, right
Hydraulic line, long

Fig 1: Overview Of Spoiler Drive (Pump Unit)

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Move both hydraulic cylinders out.
1. 1.1. Move both hydraulic cylinders out by the -dimension X- . → Length: 15 mm+5 mm
  To do this, connect the -wide contact- to 8V (+) and the -narrow contact- to ground (--).
  
  Information
  
  Trapped air will escape via the banjo bolt while the hydraulic cylinder moves downwards.
  
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  Wipe up emerging Pentosin with a cloth.
  
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  Counter at the hydraulic line with an open-ended wrench when tightening the banjo bolt.
Bleed the pump unit via the hydraulic lines on the two hydraulic cylinders.
1. 2.1. Slowly open the banjo bolt -2- on one hydraulic cylinder -1- until the hydraulic cylinder -1- moves slowly downwards. As soon as the hydraulic cylinder -1- reaches the lower mechanical stop, tighten the banjo bolt -2- . → Tightening torque: 15 Nm (11 ftlb.)
2. 2.2. Slowly open the banjo bolt -2- on the second hydraulic cylinder -1- until the hydraulic cylinder -1- moves slowly downwards. As soon as the hydraulic cylinder -1- reaches the lower mechanical stop, tighten the banjo bolt -2- . → Tightening torque: 15 Nm (11 ftlb.)
Press cap -2- onto the hydraulic cylinder -1- .

Fig 4: Fitting Cap On Hydraulic Cylinder
Courtesy of PORSCHE CARS NORTH AMERICA, INC.