Replacing Threaded Bolts

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Information

These repairs can only be carried out on rear silencers with Part No. 997.111.027.80.

Pre-treat threaded pin with anti-rust agent.
Use Dilavar Stud Removal Tool Nr.75 to unscrew the threaded pin on the silencer -1- .
1. 2.1. Position removal tool -2- on the threaded pin and tighten by turning it clockwise at the small hexagon.
2. 2.2. Slowly unscrew the threaded pin by turning it anti-clockwise at the large hexagon.
  
  Fig 1: Removing Threaded Pin Using Tool
  Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Fit new M8 threaded pin with the short threaded side in the silencer.
1. Threaded pin, dimension X = 22 mm , short threaded side in the silencer
  
  Fig 2: Identifying Threaded Pin Dimension (M8 X 22)
  Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Fit threaded bolt.
1. 4.1. Screw on two M8 lock nuts -1- and tighten them against each other.
2. 4.2. Tighten threaded bolt.
  → Tightening torque: 22 Nm (16 ft. lb.)
  
  Fig 3: Installing Threaded Bolt
  Courtesy of PORSCHE CARS NORTH AMERICA, INC.
  
  Procedure for broken threaded pins that cannot be removed using the removal tool:
Carefully drill out broken threaded pins and re-cut the thread if necessary.
1. 5.1. Fit the new threaded pin as described above.