Installing Pistons

Information 

The arrow on the piston crown must be facing the pulley side of the engine.

The marking L  or R  next to the arrow indicates assignment to the left or right cylinder bank.

1. Insert piston -1-  into the cylinder bore.

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.

   Fitting piston

   1. 1.1  Remove connecting-rod bearing cap again.
   2. 1.2  Oil the cylinder wall.
   3. 1.3  Fit > T40369 - funnel-2-  on cylinder block.
   4. 1.4  Push piston -1-  into the cylinder bore from above by hand according to the marking using the > T40369 - funnel-2-Arrow-  .
2. Fit connecting rod and piston -1-  on the crankshaft.

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.

   Piston and connecting rod on crankshaft

   1. 2.1  Replace connecting-rod bearing shells and connecting-rod bearing cap screws -2-  .
   2. 2.2  Oil the running surfaces of the connecting-rod bearing shells.
   3. 2.3  Fit connecting rod on the crankshaft.
   4. 2.4  Fit connecting-rod bearing cap -3-  with new connecting-rod bearing shells on the connecting rod. Check that the retaining lugs are fitted correctly.
   5. 2.5 Oil new  connecting-rod bearing cap screws -2-  and fit and tighten them.
      • Initial tightening 50 Nm (37 ftlb.) 
      • Final tightening + 90° 
3. Check the clearance of the oil spray jets.