Installing Exhaust Manifold

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Fit exhaust manifold with new metal seal and new M8 lock nuts -1- on the three-hole flange for the front silencer.

Fig 1: Identifying Three-Hole Flange Lock Nuts
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Fit exhaust manifold with new metal seal and new M8 x 21 screws on the cylinder head flange.
1. 2.1. The tab of the seal -arrow- must be facing the cylinder head.
  
  Fig 2: Identifying Exhaust Manifold Seal Installation Position
  Courtesy of PORSCHE CARS NORTH AMERICA, INC.
2. 2.2. Fit M8 x 21 screws -2- evenly at first according to the specified tightening sequence.
  
  Fig 3: Identifying Exhaust Manifold Screws (Side 1-3)
  Courtesy of PORSCHE CARS NORTH AMERICA, INC.
  
  Fig 4: Identifying Exhaust Manifold Screws (Side 4-6)
  Courtesy of PORSCHE CARS NORTH AMERICA, INC.
3. 2.3. Tighten screws to the prescribed torque and according to the specified tightening sequence (see TIGHTENING SPECIFICATIONS ).
Tighten new M8 lock nuts on the three-hole flanges to the prescribed tightening torque (see TIGHTENING SPECIFICATIONS ).