Removing Exhaust Manifold With Catalytic Converter

→ Let hot components cool down.

→ Wear personal protective gear.

Component overview

Fig 1: Overview Of Exhaust Manifold And Catalytic Converter

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

1. Exhaust manifold with catalytic converter, side 1-3
   1. 1A  - Exhaust manifold with catalytic converter, side 4-6
2. Metal seal - always replace
3. Lambda sensors - grease thread with Optimol Paste MF before refitting
4. External Torx screw, M8 x 21
5. Metal seal for three-hole flange - always replace

1. Unscrew three M8 lock nuts on the three-hole flange for the rear silencer. 1.1. Replace M8 lock nuts.
2. Unscrew nine external Torx screws (M8 x 21) -2-  and remove exhaust manifold with catalytic converter -1-  .
   1. 2.1. Remove and replace metal seal.
   Fig 2: View Of Exhaust Manifold Screws

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.