Assembling Crankshaft

→ Protect components from dirt and contamination.

→ Clean or replace dirty components.

1. Assemble new connecting-rod bearing shells on the crankshaft according to the marking -2-  .
   Fig 1: Identifying Bearing Shell Allocation Mark On Crankshaft

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.
2. Fit connecting rods.
   1. 2.1. The data matrix code marking -1-  must be facing the outlet side for all connecting rods.
   2. 2.2. The markings -2-  must be on one side.
   Fig 2: Identifying Connecting Rod Marks
   Courtesy of PORSCHE CARS NORTH AMERICA, INC.
   3. 2.3. Screw in new connecting rod bolts and tighten according to specifications.

      Step 1: Initial Tightening 5 Nm (3.5 ft. lbs.) 

      Step 2: Subsequent Tightening Torque 20 Nm (15 ft. lbs.) 

      Step 3: Torque Angle 80° 

      Step 4: Loosen bolts

      Step 5: Initial Tightening 5 Nm (3.5 ft. lbs.) 

      Step 6: Subsequent Tightening Torque 20 Nm (15 ft. lbs.) 

      Step 7: Final Tightening Torque Angle 80° 

3. Assemble and fit new bearing shells for both crankcase halves on the crankshaft and crankcase half 1-3 according to the markings.
   1. 3.1. Coat bearing shells with new engine oil.
4. Insert crankshaft into crankcase half.