Installing Sealing Ring

→ Use clean tools without burrs.

→ Make sure not to leave any scores or scratches when cleaning.

→ Only coat the outer sealing face of the crankshaft sealing ring very lightly with new engine oil.

→ Never oil or grease the micro sealing lip.

→ Never touch the micro sealing lip.

1. 1.1. Secure the mounting plate 9517/1  for the fitting tool 9517  to the crankshaft flange and tighten hand-tight using the hexagon socket head bolts supplied → Base plate for fitting crankshaft sealing ring  .
   Fig 1: Fitting Crankshaft Sealing Ring Base Plate

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.
2. 1.2. Carefully slide crankshaft sealing ring onto the base plate at the correct position.
3. 1.3. Secure the mounting bell of the fitting tool 9517  to the base plate. To do this, tighten the center hexagon-head bolt of the mounting bell by hand.
   Fig 2: Securing Mounting Bell To Base Plate

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.
4. 1.4. Pull the crankshaft sealing ring onto the crankshaft flange by turning the tightening nut of the mounting bell in a clockwise direction until the mounting bell is completely aligned with the contact surface of the crankcase.
   Fig 3: Pulling Crankshaft Sealing Ring

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.