Installing Dual-Mass Flywheel

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.

WARNING: Caustic fluids

Danger of chemical burns

→ Avoid contact with caustic fluid.

→ Wear personal protective gear.

→ Ensure that there is good ventilation.

→ If you do come into contact, wash off immediately with plenty of warm water and contact a doctor if necessary.

Remove protective wax on new parts with acetone or solvent naphtha.
NOTE:
Removing and installing flywheel
- Leaks
- Risk of damage to the flywheel and adjacent components
→ Be very careful during removal and installation.

→ Get another person to help because of the weight.

Information

Before re-installing the flywheel, clean the friction surface of the flywheel using a clean, lint-free cloth soaked in acetone or solvent naphtha).
Position the dual-mass flywheel on the crankshaft dowel pin and press it onto the crankshaft flange.
1. 2.1. Fit ten new internal serration screws (M10 x 29) and tighten them evenly and crosswise.
Position special tool toothed segment 9538/1 for countering at the starter ring gear.
1. 3.1. Place toothed segment -1- on the cast strut. Turn the flywheel slightly to the right to do this.
  
  Fig 1: Identifying Toothed Segment Position For Tightening Screws
  Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Tighten ten internal serration screws evenly and crosswise according to tightening specifications.
→ Initial tightening: 25 Nm (19 ftlb.)

→ Final tightening - torque angle: 120°
Remove toothed segment 9538/1 .