Removing Crankshaft

→ Never turn the crankshaft against the rolling direction or when the chain tensioner is removed.

→ Proceed carefully with your work.

→ Only turn the engine at the crankshaft.

→ After working on the camshaft, re-set the valve timing.

→ Observe general warning notes and working regulations.

Information 

• Prepare a suitable clean surface for setting down the crankshaft and accessories. 

1. Unscrew fastening screws -4-  and remove guide frame -3-  .
   Fig 1: Overview Of Crankshaft Component

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.
2. Pull dowel sleeves -2-  out of the guide frame or cylinder block.

   Information 

   • Thrust washers only on 3rd crankshaft bearing. 
   • Bearing screws must be replaced. 
   • Bearing shells that are worn down to the nickel layer must be replaced. 
   • Do not confuse worn bearing shells (mark them accordingly). 
   • Ensure that the dowel pin is seated securely in the crankshaft. 
   • Fit new bearing shells for the guide frame with the correct color coding. 
   • Lubricating grooves on the thrust washers must be facing outwards (check fixing device). 
3. Remove bearing shells -6-  from the guide frame.

   Set the bearing shells down on the surface according to cylinder to avoid confusion. Carefully remove the side thrust washers -5-  on crankshaft bearing no. 3.

4. Remove connecting-rod bearing caps and bearing shells.
5. Remove all bearing shells -9-  from the cylinder block.

   Set the bearing shells down on the surface according to cylinder to avoid confusion. Carefully remove the side thrust washers -8-  on crankshaft bearing no. 3.

   CAUTION: Heavy components

   • Risk of squashing

   → Wear personal protective gear.

   → Get someone to help if necessary.

6. Carefully lift the crankshaft -1-  out of the cylinder block with the help of another person and set it down on a clean surface.