Removing Front Silencer

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.

Overview of front silencer -1- :

Fig 1: Identifying Front Silencer

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Installation position:

Rear silencer
Restraining strap
Tailpipe cover
Connecting flange for front silencer
Front silencer
Exhaust manifold with catalytic converter

Fig 2: Identifying Front/Rear Silencer Installation Position
Courtesy of PORSCHE CARS NORTH AMERICA, INC.

CAUTION: Hot components

Risk of burns

→ Let hot components cool down.

→ Wear personal protective gear.

Information

Spray screw connections, clamps and sliding bases with anti-rust agent before loosening them.
If screw connections and sliding bases are corroded badly, heat them before removal.

Loosen clamp -1- for exhaust manifold.
1. 1.1. Unscrew M8 cheese head bolt and open the clamp.
2. 1.2. Replace sealing ring.
  
  Fig 3: Identifying Exhaust Manifold And Clamp
  Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Pull off line -2- at the control box -1- for the exhaust flap.
1. 2.1. Replace the clamp.
  
  Fig 4: Identifying Exhaust Flap Control Box Line
  Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Loosen threaded joint for rear silencer.
1. 3.1. Unscrew five M8 lock nuts -1- .
2. 3.2. Replace lock nuts.
  
  Fig 5: Identifying Front/Rear Silencer Lock Nuts
  Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Unscrew two M8 hexagon nuts -3- on the front silencer holder -2- .
1. 4.1. Replace lock nuts.
  
  Fig 6: Identifying Front Silencer Holder Lock Nuts
  Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Remove front silencer.
1. 5.1. Pull adapter for front silencer -1- out of the rear silencer -3- .
  
  Fig 7: Identifying Front Silencer And Rear Silencer Connection Point
  Courtesy of PORSCHE CARS NORTH AMERICA, INC.
2. 5.2. Replace sealing rings -2- on connection piece for front silencer.
3. 5.3. Swivel front silencer -1- out sideways and remove it.
  
  Fig 8: Removing/Installing Front Silencer
  Courtesy of PORSCHE CARS NORTH AMERICA, INC.