2. Install the bearing shells in the connecting rods and their caps, inserting the tongues into the cutouts, preliminarily lubricating them with plenty of oil.
3. Lubricate the cylinder mirrors with engine oil.
4. Place a ring compressor on the piston of the 1st cylinder, then insert the piston and connecting rod into the 1st cylinder. Bring the 1st crankpin to its lowest position, carefully insert the piston into the cylinder with a hammer handle while guiding the connecting rod against its neck. Make sure the arrow on the piston crown points towards the front of the engine.
5. Lubricate the crankshaft journal with oil, then install the appropriate connecting rod bearing cap and tighten the nuts. Check the free rotation of the crankshaft.
6. Set the piston to TDC and, using a vernier caliper, measure the distance between the piston crown and the top surface of the block head. It must meet the technical requirements.
7. Repeat the operations above on the other pistons.
8. Install the lower half of the crankshaft rear oil seal into the groove on the oil pan cover. After installation, the ends of the stuffing box should protrude 0.5 mm. Press in the oil seal with a hammer handle lubricated with oil and cut it off.
9. Clean the mating surfaces of the sump housing and crankcase, and lubricate them with sealing paste.
10. Install the sump cover on the crankcase, insert and tighten the bolts.
11. Install the alternator bracket and tighten the bolts.
12. Lubricate the oil return tube, oil dipstick tube with sealing paste and install them in the pan casing.
13. Install the oil pump, crankshaft front oil seal and cylinder head.