Removing Turbocharger For Cylinder Bank 1-3

→ Let hot components cool down.

→ Wear personal protective gear.

→ Let the fluid cool down.

→ Wear personal protective gear.

→ Avoid contact with caustic fluid.

→ Wear personal protective gear.

→ Ensure that there is good ventilation.

→ If you do come into contact, wash off immediately with plenty of warm water and contact a doctor if necessary.

Information 

Specifications for wrench sizes (a/f specifications) for screw heads are described as follows:

• Torx screws: (E..) for external Torx, (T..) for internal Torx. 
• Hexagon-head bolts (internal and external hexagon): Wrench size (a/f) 

1. Unscrew external Torx screw (E10, M6 x 12) -1-  on the holder for the turbocharger oil return line.
   1. 1.1. Unscrew external Torx screw (E10, M6 x 12) -2-  on the oil return line at the turbocharger oil tank and pull the line out of the oil tank.
   2. 1.2. Collect emerging fluid and close off the opening using a suitable stopper. 
   3. 1.3. Loosen M12 union nut (a/f 14) -3-  on the exhaust temperature sensor and pull out the sensor.
      Fig 1: Identifying Oil Return Line From Oil Tank To Turbocharger (View Of Cylinder Bank 4-6)

      Courtesy of PORSCHE CARS NORTH AMERICA, INC.
2. Pull off rubber cap over the cable plug for the electronic adjuster -arrow-  , then release and pull off the cable plug.
   Fig 2: Identifying Cable Plug For Electronic Adjuster On Cylinder Bank 1-3

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3. Unscrew two external Torx screws (E10, M6 x 30) -2-  for the intake air line on the turbocharger.
   1. 3.1. Remove the cover -1-  on the electronic adjuster and pull the intake air line out of the turbocharger.
   2. 3.2. Replace O-ring on intake air line.
      Fig 3: Identifying Electronic Adjuster Cover, Cylinder Bank 1-3

      Courtesy of PORSCHE CARS NORTH AMERICA, INC.
4. Unscrew external Torx screw (E10, M6 x 12) -1-  on the vent line holder.
   Fig 4: Identifying Vent Line Holder Torx Screw

   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. Unscrew external Torx screw (E10, M6 x 12) -1-  on the vent line and pull the line out of the oil tank.

   Collect emerging fluid and close off the opening using a suitable stopper. 

   Fig 5: Identifying Oil Tank Vent Line And Screw

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.
6. Unscrew external Torx screw (E10, M6 x 12) -1-  on the coolant line holder.
   Fig 6: Identifying Coolant Line Holder Screw

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.
7. Loosen internal Torx screw (T30, M6 x 12) -2-  on the bottom coolant line and pull the line out of the turbocharger.

   Collect emerging fluid and close off the opening using a suitable stopper. 

   Fig 7: Identifying Turbocharger Coolant Line

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.
8. Remove coolant line and oil pressure line at the turbocharger.
   1. 8.1. Unscrew internal Torx screws (T30, M6 x 12) on the top coolant line -1-  and oil pressure line -2-  at the turbocharger.
   2. 8.2. Then pull both lines out of the turbocharger.
   3. 8.3. Collect emerging fluid and close off the openings using suitable stoppers. 
      Fig 8: Identifying Coolant Line And Oil Pressure Line On Turbocharger Internal Torx Screws (T30, M6 x 12)

      Courtesy of PORSCHE CARS NORTH AMERICA, INC.
9. Unscrew three M8 collar nuts (a/f 12) -arrows-  on the exhaust manifold flange.
   1. 9.1. Replace collar nuts.
      Fig 9: Removing M8 Collar Nuts (A/F 12) From Exhaust Manifold Flange On Cylinder Bank 1-3

      Courtesy of PORSCHE CARS NORTH AMERICA, INC.
10. Unscrew external Torx screw (E12, M8 x 16) -2-  on the turbocharger holder.

    Get another person to help to support the turbocharger. 

    Fig 10: Locating Turbocharger Holder External Torx Screw (E12, M8 x 16) For Cylinder Bank 1-3

    Courtesy of PORSCHE CARS NORTH AMERICA, INC.
11. Pull the turbocharger up off the threaded bolts on the exhaust manifold flange and remove it.
12. Clean sealing faces on the turbocharger and exhaust manifold.
    1. 12.1. Clean studs (M8) with a wire brush and replace them if necessary.
    2. 12.2. Replace exhaust manifold flange seal.