Component Overview

WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2013 Porsche 911, 2012 Porsche 911, 2011 Porsche 911, 2010 Porsche 911, and 2009 Porsche 911. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Overview Of Catalytic Converter Component (1-3)

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Item	Designation	Explanation
1	Catalytic converter 1-3
2	Oxygen sensor downstream of catalytic converter	Pay attention to safety instructions
3	Oxygen sensor upstream of catalytic converter	Pay attention to safety instructions
4	Lock nut, M8	Replace
5	Heat shield
6	Turbocharger flange seal	Replace
7	Clamp	Observe installation position; replace

Disconnect plug connections -1- and -2- for the oxygen sensors in the engine compartment.
→ WM 2400AW PRECAUTIONARY MEASURES WHEN HANDLING OXYGEN SENSORS (ALL MODELS) .

Fig 2: Identifying Oxygen Sensors Plug Connections (1-3)
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Unclip oxygen sensor cable.
Loosen M10 fastening nuts -arrows- on the two clamps.

Fig 3: Locating Rear Silencer Clamps
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Loosen cheese head bolts (M8 x 50) -arrows- on the restraining straps, but do not remove restraining straps.

Fig 4: Locating Rear Silencer Restraining Straps
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Move rear silencer towards cylinder 4-6 and spray connection points to the catalytic converters with anti-rust agent if necessary.
Unscrew Torx screw (M6 x 12) securing heat shield to turbocharger oil tank.
Unscrew M8 lock nuts -arrows- .

Fig 5: Locating Lock Nuts On Turbocharger Flange
Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Information
- Make sure not to damage the oxygen sensors and cables when removing and installing the catalytic converter.
Lever catalytic converter and heat shield out of the vehicle.

Fig 1: Overview Of Catalytic Converter Component (4-6)

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Item	Designation	Explanation
1	Catalytic converter 4-6
2	Oxygen sensor downstream of catalytic converter	Pay attention to safety instructions
3	Oxygen sensor upstream of catalytic converter	Pay attention to safety instructions
4	Lock nut, M8	Replace
5	Heat shield
6	Turbocharger flange seal	Replace
7	Clamp	Observe installation position; replace

Disconnect plug connections -1- and -2- for the oxygen sensors in the engine compartment.
→ WM 2400AW PRECAUTIONARY MEASURES WHEN HANDLING OXYGEN SENSORS (ALL MODELS) .

Fig 2: Identifying Oxygen Sensors Plug Connections (4-6)
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Unclip oxygen sensor cable.
Loosen M10 fastening nuts -arrows- on the two clamps.

Fig 3: Locating Rear Silencer Clamps
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Loosen cheese head bolts (M8 x 50) -arrows- on the restraining straps, but do not remove restraining straps.

Fig 4: Locating Rear Silencer Restraining Straps
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Move rear silencer towards cylinder 1-3 and spray connection points to the catalytic converters with anti-rust agent if necessary.
Unscrew Torx screw (M6 x 12) securing heat shield to turbocharger oil tank.
Unscrew M8 lock nuts -arrows- .

Fig 5: Locating Lock Nuts On Turbocharger Flange
Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Information
- Make sure not to damage the oxygen sensors and cables when removing and installing the catalytic converter.
Lever catalytic converter and heat shield out of the vehicle.