Installing Flywheel

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2019 Porsche 911, 2018 Porsche 911, 2017 Porsche 911, 2016 Porsche 911, and 2015 Porsche 911. However, it is still accessible from the selected car via links, so may be relevant.

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.

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.
Fit two centering pins 9321 -1- with M10 thread on the crankshaft flange by screwing them in by one to two turns only (caution: fine thread!).
Recommendation: Screw in one centering pin next to the dowel pin.

Fig 1: Identifying Crankshaft Flange Centering Pins
Courtesy of PORSCHE CARS NORTH AMERICA, INC.

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).
Fit flywheel -1- over the centering pins -2- at the dowel pin on the crankshaft and push it onto the crankshaft flange.
1. 3.1. Fit ten new M10 x 29 (internal serration) fastening screws and tighten them uniformly and in diagonally opposite sequence.
  
  Fig 2: Identifying Flywheel On Crankshaft Flange
  Courtesy of PORSCHE CARS NORTH AMERICA, INC.
  
  Information
  - The flywheel screws are micro-self-locking and must be replaced.
Tighten screws uniformly and in diagonally opposite sequence to the prescribed tightening torque.
Tool recommendation: Torque/torque angle screw tool WE 1440 .

Fig 3: Display - Adjusting Special Tool Screen
Courtesy of PORSCHE CARS NORTH AMERICA, INC.