Disassembling Crankshaft

→ Protect components from dirt and contamination.

→ Clean or replace dirty components.

Components: 

Fig 1: Identifying Crankshaft Components

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

1. Crankshaft
2. Dowel pin for flywheel - replace if damaged
3. Dowel pin for vibration damper - replace if damaged
4. Crankshaft sealing ring on belt side
5. Crankshaft sealing ring on flywheel side
6. Connecting rod
7. Connecting rod bush
8. Connecting rod bolt - replace
9. Connecting-rod bearing
10. Main bearing - smooth bearing
11. Main bearing - partial-groove bearing
12. Supporting mount

1. 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.
2. 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.
3. Clean the crankshaft and connecting rods.