Removing Catalytic Converter

→ Wear personal protective gear.

→ Get someone to help if necessary.

→ Let hot components cool down.

→ Wear personal protective gear.

Information 

• Please read the most important working regulations and warning notes → The most important working regulations and warning notes  .

Information 

Disregard 1  and 2  , as well as the down arrows  !

1. Unscrew top screw -arrow-  on the exhaust manifold heat shield and remove the heat shield.
   Fig 1: Locating Heat Shield On Exhaust Manifold (Similar Illustration)

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.
2. Release and unplug all oxygen sensor connectors. Disconnect and expose the oxygen sensors lines.
3. Screw off the nuts -arrows-  on the threaded joint securing the catalytic converter to the exhaust manifold.
   Fig 2: Locating Catalytic Converter To Exhaust Manifold Nuts

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4. Unscrew fastening screws -arrows-  for the catalytic converter on bank 1.
   Fig 3: Locating Fastening Screws Of Catalytic Converter (Bank 1)

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5. Screw off suspension -1-  and -2-  . Loosen clamps -arrows-  .
   Fig 4: Locating Catalytic Converter Suspension And Clamps

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6. Support the transmission using Engine And Gearbox Jack VAG 1383 A WE 1082  .
7. Unscrew screws -1-  and -2-  for the transmission support.
   Fig 5: Loosening Transmission Support

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   Information 

   Disregard 1  and 2  !

8. Unscrew screws -arrows-  and remove transmission support.
   Fig 6: Removing Transmission Support

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9. Remove front cardan shaft. → 390219 REMOVING AND INSTALLING FRONT CARDAN SHAFT
10. Unscrew fastening screw -arrow-  for the catalytic converter on bank 2.
    Fig 7: Locating Mounting Screw Of Catalytic Converter (Bank 2)

    Courtesy of PORSCHE CARS NORTH AMERICA, INC.
11. Remove catalytic converters:
    1. 11.1. Remove catalytic converter for bank 2 (top) in a downward direction.
    2. 11.2. Remove catalytic converter for bank 1.