Removing Oil Feed Line - Cylinder Bank 1-3

→ Protect components from dirt and contamination.

→ Clean or replace dirty components.

Oil feed line, cylinder bank 1-3 

1. Attachment to turbocharger 1-3
2. Attachment to bracket for turbocharger 1-3
3. Attachment to cylinder head 1-3

1. Oil feed line, ATL 1-3
2. External Torx screw M6 x 12
3. Internal Torx screw, M6 x 10
4. O-ring, 8.00 x 2.50 N
5. O-ring, 12.00 x 2.50 N
   Fig 1: Exploded View Of Oil Feed Line, Cylinder Bank 1-3

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.

1. Remove intake manifold, cylinder bank 1-3.
   1. 1.1. Remove rubber grommet. Disconnect cable plug from electronic adjuster.
   2. 1.2. Unscrew two external M6 Torx screws -2-  from turbocharger.
   3. 1.3. Remove protective grille -1-  .
      Fig 2: Identifying Electronic Adjuster Cover, Cylinder Bank 1-3

      Courtesy of PORSCHE CARS NORTH AMERICA, INC.
   4. 1.4. Detach intake manifold at connection piece and remove from bracket on engine.
   5. 1.5. Detach vacuum line -2-  from ambient air valve.
      Fig 3: Disconnecting Intake Manifold, Bank 1-3

      Courtesy of PORSCHE CARS NORTH AMERICA, INC.
2. Detach rubber-coated holding clamp -4-  for oil feed line -3-  from camshaft housing cover.
   1. 2.1. Unscrew M6 x 12 external Torx screw.
      Fig 4: Identifying Coolant And Oil Lines, Cylinder Bank 1-3

      Courtesy of PORSCHE CARS NORTH AMERICA, INC.
3. Detach oil feed line -1-  from cylinder head 1-3.
   NOTE: Mixing fluids

   • Risk of damage to components

   → Close off all openings immediately after exposing them (with adhesive tape, suitable stoppers).

   1. 3.1. Unscrew M6 x 12 external Torx screw -2-  and detach line.
      Fig 5: Exploded View Of Oil Feed Line Connection, Cylinder Head 1-3

      Courtesy of PORSCHE CARS NORTH AMERICA, INC.
4. Unscrew M6 x 12 external Torx screws -5 and 6-  from the coolant line bracket and lay lines aside.
   Fig 6: Identifying Coolant And Oil Lines, Cylinder Bank

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.
   NOTE: Mixing fluids

   • Risk of damage to components

   → Close off all openings immediately after exposing them (with adhesive tape, suitable stoppers).

5. Detach three lines at turbocharger and lay lines aside.

   Close off bores immediately after detaching a line  .

   1. Vent line to turbocharger oil tank
   2. Lower coolant line
   3. Upper coolant line
      Fig 7: Identifying Vent Line To Turbocharger Oil Tank, Upper And Lower Coolant Line

      Courtesy of PORSCHE CARS NORTH AMERICA, INC.
   1. 5.1. Detach vent line -1-  to turbocharger oil tank. Unscrew M6 x 10 internal Torx screw and detach line.
   2. 5.2. Detach lower coolant line -1-  . Unscrew M6 x 10 internal Torx screw -2-  and detach line.
      Fig 8: Identifying Lower Coolant Line, Internal Torx Screw

      Courtesy of PORSCHE CARS NORTH AMERICA, INC.
   3. 5.3. Detach upper coolant line -1-  . Unscrew M6 x 10 internal Torx screw -2-  and detach line.
      Fig 9: Identifying Upper Coolant Line, Internal Torx Screw And Detach Line

      Courtesy of PORSCHE CARS NORTH AMERICA, INC.
6. Detach oil feed line -2-  from turbocharger.
   Fig 10: Identifying Oil Feed Line

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.
   NOTE: Mixing fluids

   • Risk of damage to components

   → Close off all openings immediately after exposing them (with adhesive tape, suitable stoppers).

   1. 6.1. Unscrew M6 x 10 internal Torx screw -3-  and detach oil feed line.
7. Guide out oil feed line.
8. Replace O-rings on all lines and clean connections. 
9. Make sure to check connection bores on turbocharger for dirt and clean carefully.