Cleaning
Ensure that the all components are completely clean.
Blow clean the oil ducts in the block, intermediate section and oil pan.
Scheme 404
Install the piston cooling nozzles. Tighten to 17 Nm .
Scheme 405
Install the piston cooling valve. Use a seal washer. Tighten to 38 Nm .
Scheme 406
Wipe clean the bearing recesses in the block and the intermediate section.
Check that the components are clean and undamaged.
Check the classification of the block and crankshaft.
The classification marking is at the rear edge of the block and the crankshaft. The classification is read from digits 1 to 7. The first letter after digit 1 is the classification of main bearing 1. The bearing positions are numbered starting at the front of the engine.