Disassembling Crankshaft

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: Dirt and contamination

Risk of damage to units or components

→ Protect components from dirt and contamination.

→ Clean or replace dirty components.

Components:

Fig 1: Identifying Crankshaft Components

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Crankshaft
Dowel pin for flywheel - replace if damaged
Dowel pin for vibration damper - replace if damaged
Crankshaft sealing ring on belt side
Crankshaft sealing ring on flywheel side
Connecting rod
Connecting rod bush
Connecting rod bolt - replace
Connecting-rod bearing
Main bearing - smooth bearing
Main bearing - partial-groove bearing
Supporting mount

Fit special tool retainer plate P209a on the crankshaft flange (flywheel side) using two flywheel screws.
CAUTION: fine thread!
1. 1.1. Clamp crankshaft -1- with retainer plate -2- in a vice.
  
  Fig 2: Identifying Crankshaft With Retainer Plate In Vise
  Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Loosen and unscrew connecting rod bolts for connecting rods for cylinders 1-3 using a multiple-tooth socket-wrench insert.
1. 2.1. Remove connecting rod cap and connecting rod, remove bearing shells and store the parts together.
2. 2.2. Replace connecting rod bolts.
Clean the crankshaft and connecting rods.