Removing (Main) Catalytic Converter

Information 

• Some of the repair illustrations show only one side of the vehicle or a similar component.
• Naturally, some steps also have to be performed on the opposite side of the vehicle as well.

1. Loosen fastening nuts -8-  on the exhaust clamp (clamping sleeve) -3-  between the catalytic converter and exhaust system. Slide exhaust clamp onto the exhaust system. The exhaust clamp must not be re-used.

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.

   Loosening clamps

2. Unscrew fastening screw -5-  on bracket for transmission -4-  .

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.

   Loosening screws on transmission bracket

3. Screw off three fastening nuts -2-  on the connection between the main catalytic converter -1-  and primary catalytic converter -6-  . The fastening nuts must not be re-used.

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.

   Loosening threaded joint for primary catalytic converter

4. Remove main catalytic converter by pulling it forward.
5. Remove seal between main catalytic converter and primary catalytic converter. The seal must always be replaced.