Installing Exhaust Manifold - Cylinder Bank 1-3

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.

Information

Always replace seals.

Slide a new metal seal onto the threaded bolts on the turbocharger.
Fit exhaust manifold with new external Torx screws and hexagon nuts.
1. 2.1. Fit a new metal seal on the sealing face of the exhaust manifold.
2. 2.2. Press the turbocharger up slightly and slide the exhaust manifold flange onto the studs on the turbocharger.
3. 2.3. Pre-position the exhaust manifold with two new external Torx screws (E12, M8 x 27).
4. 2.4. Fit the other seven new screws. → Exhaust manifold threaded joint
  
  Fig 1: Locating Exhaust Manifold Screws
  Courtesy of PORSCHE CARS NORTH AMERICA, INC.
5. 2.5. Fit three new M8 hexagon nuts (a/f 13) on the three-hole flange.
Fit and tighten new external Torx screws (E12, M8 x 27) on the exhaust manifold uniformly from the inside out.
Observe tightening sequence -1 to 9- and tightening specifications!

Fig 2: Exhaust Manifold With Catalytic Converter Screw Tightening Sequence
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
1. 3.1. Initial tightening:
  → Initial tightening: 15 Nm (11 ft. lb.)
2. 3.2. Final tightening torque angle:
  → Torque angle: 25°
Tighten three M8 hexagon nuts (a/f 13) on the turbocharger flange for the exhaust manifold -arrows- .
→ Tightening torque: 25 Nm (19 ft. lb.)

Fig 3: Locating Exhaust Manifold Flange On Cylinder Bank (1-3)
Courtesy of PORSCHE CARS NORTH AMERICA, INC.