Installing Steering Pressure Line

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Insert new pressure line in the vehicle. Do not close line bracket yet near the connection point for the rear sill area on the left.
Fit (attach) the pressure line (thinner line) at the connection point.

Fig 1: Locating Plug-In Coupling For Pressure And Return Lines
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
1. 2.1. Fit (attach) the pressure line (thinner line) - up to model year 2008
  Before inserting the return line, remove the holder collar and screws, which are no longer required, from the connector on the rear return line.
  
  Fig 2: Fitting Pressure Line
  Courtesy of PORSCHE CARS NORTH AMERICA, INC.
  
  Check that the plug-in coupling is engaged correctly using special tool test tool 9623. Insert special tool into the groove and check that the connector is seated correctly in the plug-in coupling by applying slight pressure. The connector must not slide out. The plug-in coupling is designed so that there is axial play of approx. 1 mm in the plug-in coupling.
  
  Fig 3: Checking Test Tool 9623
  Courtesy of PORSCHE CARS NORTH AMERICA, INC.
  
  Fit circlip -D- .
  
  Fig 4: Fitting Circlip
  Courtesy of PORSCHE CARS NORTH AMERICA, INC.
2. 2.2. Fit (attach) the pressure line (thinner line) - as of model year 2009
  Replace the O-ring -7- and axial spring -5- if necessary. Then connect the lines (plug-in coupling) -1 and 2- (-(arrow)- ).
  
  Fig 5: Connecting Lines
  Courtesy of PORSCHE CARS NORTH AMERICA, INC.
  
  Check that the plug-in coupling is locked correctly.
  
  Pull on the connector -1- to check that the plug-in coupling is locked (push and pull slightly in axial direction).
  
  Counter at the plug-in sleeve -2- while doing this.
  
  If the plug-in coupling is locked correctly, you should be able to feel slight axial play between the connector -1- and plug-in sleeve -2- . A plug-in coupling cannot be partly locked.
  
  Another sure sign of a correctly locked plug-in coupling is the bulbous shape of the axial spring -5- .
  
  Fig 6: Identifying Locked Plug-In Coupling
  Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Fit pressure and return lines at the steering gear -arrow- .

Fig 7: Locating Retainer Plate
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Close all line brackets (retaining clips) and fit the spacers (clips) between the pressure and return line. Check the positioning of the steering lines once again and adjust them if necessary.