Installing Front Silencer

Information 

• The help of another person is required for removing and reinstalling the silencer. 

1. Fit silencer with the help of an assistant.
   1. 1.1. Connect vacuum lines to the control boxes.
2. Fit the silencer on the three-hole flange.
   1. 2.1. Fit new metal seals.
   2. 2.2. Fit three-hole flange on the exhaust manifold and position rear silencer strut.
   3. 2.3. Fit new M8 lock nuts -1-  .
   Fig 1: Identifying Three-Hole Flange On Exhaust Manifold
   Courtesy of PORSCHE CARS NORTH AMERICA, INC.

   Information 

   • Apply a light coating of high-temperature grease (e.g. Optimoly HT, Part No. 000.043.004.00) on the clamp or pipe adapter before installation. 
3. Align front silencer -1-  without tension.
   1. 3.1. Slide the restraining straps over the holder on the engine carrier.
   2. 3.2. Screw in M8 cheese head bolts -3-  on the restraining straps and tighten them slightly so that the silencer can still be moved.
   3. 3.3. Position clamps and fit the two M8 hexagon nuts -2-  .
   Fig 2: Identifying Restraining Straps On Front Silencer
   Courtesy of PORSCHE CARS NORTH AMERICA, INC.
4. Tighten threaded joints for front silencer.
   1. 4.1. Tighten M8 lock nuts on the three-hole flanges on the exhaust manifold.
   2. 4.2. Tighten M8 collar nuts on the clamps.
   3. 4.3. Tighten M8 cheese head bolts for restraining straps.

Information 

• Apply a light coating of high-temperature grease (e.g. Optimoly HT, Part No. 000.043.004.00) on the clamp or pipe adapter before installation. 

1. Position front silencer.
2. Use new seals.
3. Fit and tighten fastening nuts.
   Fig 1: Identifying Rear Silencer Holder In Wheel Housing

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.
4. Fit clamp and tighten fastening screw -3 -  .
   Fig 2: Identifying Exhaust Manifold And Cylinder Bank 1

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.
5. Fit and tighten fastening screws -1-  .
   Fig 3: Identifying Rear Silencer Mounting

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.
6. Further installation is performed in reverse order.