Removing Exhaust Manifold With Catalytic Converter

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.

Component overview

Fig 1: Overview Of Exhaust Manifold Component

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Exhaust manifold with catalytic converter, side 4-6
1. 1A - Exhaust manifold with catalytic converter, side 1-3
Metal seal
Oxygen sensors
Fastening screw (external Torx screw E12), M8 x 21
Metal seal for three-hole flange

Remove oxygen sensors upstream of catalytic converter.
1. 1.1. Unclip oxygen sensor cable and unscrew oxygen sensor.
Unscrew nine external Torx screws (E12, M8 x 21) -2- .

Fig 2: Identifying Exhaust Manifold Screws (Side 1-3)
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Remove the exhaust manifold by pressing the front silencer -2- towards the rear with a mounting lever -1- with the help of another person -arrow- .

Fig 3: Pressing Front Silencer Towards Rear
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1. 3.1. Make sure that the oxygen sensor cable is not too tight.
2. 3.2. Remove and dispose of metal seal. Replace seal.
Fix the exhaust manifold in place on the rear silencer holder -1- using a tie-wrap -arrow- .

Fig 4: Fixing Exhaust Manifold In Place
Courtesy of PORSCHE CARS NORTH AMERICA, INC.