Indications for engine overhaul It is not always easy to come to the conclusion about the feasibility of a complete overhaul of the engine, since it is necessary to be based on a number of indicators....
Cylinder head — disassembly and assembly Disassembly Attention! New and overhauled cylinder heads are supplied as spare parts to repair points by the manufacturer. Due to the fact that specialized tools are...
Cylinder head and valves A thorough cleaning of the cylinder head and valve mechanism parts, followed by a check, will allow you to estimate the amount of work to repair the valves and the valve...
Piston assembly with connecting rod — removal 1. Remove the cylinder head and oil pan. 2. If a shoulder has formed in the upper part of the cylinders, then it must be removed with a reamer or scraper, without...
Removing and checking the condition of the crankshaft Removing 1. Remove oil pan, chain (or chains) and flywheel. 2. Remove the piston rods. Attention! If no repair work is carried out with the pistons and connecting rods,...
Cylinder block and crankshaft — cleaning and checking Cleaning 1. Remove all attachments and sensors from the cylinder block. For cleaning, you also need to get the plugs. To do this, drill a small hole in the plugs, into...
Connecting rod and piston group — condition check Correct mutual orientation of piston and connecting rod 1. Piston size group number; 2. Orientation mark (in the form of an arrow); 3. Oil hole in the body of the...
Main and connecting rod bearings — condition check Types of wear of main and connecting rod bearings A. Scratches due to dirt embedded in the coating material; B. Insufficient lubrication, local wiping of the bearing...
Piston rings — removal and installation The scheme of installation of rings on the piston 1. For SR20DE modification 2. For modifications SR20Di and SR20De Arrangement of joints of piston rings 1. Top...
Starting the engine after overhaul 1. After completing the engine assembly, double check the oil and coolant levels. Check the correct connection of the wiring and hoses, remove all foreign objects from...