Removing Turbocharger On Cylinders 4 - 6

Information 

• When removing the turbocharger, take note of the connection points for the lines  .
• Mark the installation position of the lines that are screwed to the turbocharger  .
• During re-installation, the lines must be tension-free and must not be bent  .
• Bent lines must be replaced  .

Information 

Replace sealing rings, seals and O-rings.

1. Loosen intake pipe on the turbocharger and remove intake pipe.
2. Disconnect pressure pipe at the turbocharger.
3. Remove heat protection from the turbocharger.
4. Loosen turbocharger oil lines -1-  and -2-  on the engine.
   1. 4.1. Unscrew screws -3-  and pull off oil supply line -1-  at the cylinder head.
   2. 4.2. Unscrew screw -5-  and pull off oil return line -2-  at the oil pan.
   3. 4.3. Collect emerging oil.
   4. 4.4. Close off openings using suitable stoppers.
      Fig 1: Identifying Turbocharger Oil Circuit (Cylinders 4-6)

      Courtesy of PORSCHE CARS NORTH AMERICA, INC.
5. Disconnect turbocharger coolant lines -1 -  and -2-  on the engine.
   1. 5.1. Loosen clamp and pull off coolant line -1-  .
   2. 5.2. Unscrew screw -4-  and pull off coolant line -2-  at the coolant distributor.
   3. 5.3. Collect emerging coolant.
   4. 5.4. Close off openings using suitable stoppers.
      Fig 2: Identifying Turbocharger Cooling Related Components (Cylinders 4-6)

      Courtesy of PORSCHE CARS NORTH AMERICA, INC.
6. Disconnect control line at the vacuum unit using pointed-nose pliers or a plastic spatula.
7. Pull off control line -2-  at the vacuum unit.
   Fig 3: Identifying Vacuum Unit Control Line

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8. Remove turbocharger.
   1. 8.1. Unscrew nuts in the sequence -9 - 1-  .
   2. 8.2. Remove turbocharger and seal.
      Fig 4: Identifying Exhaust Manifold/Turbocharger Nut Loosening Sequence

      Courtesy of PORSCHE CARS NORTH AMERICA, INC.