Removal and installation of the engine The engine is removed from the engine compartment upwards along with the gearbox, which can later be disconnected. A lift must be used for this operation (hoist) appropriate load...
Engine disassembly Before starting work, thoroughly clean all external surfaces of the engine. Plug all openings in the engine with clean rags so that dirt does not get into them. During...
Engine Assembly The engine is assembled in the reverse order of disassembly. When performing these operations, follow the instructions below. Before installation, each part must be cleaned. All...
Cylinder head — general information Before disassembling and adjusting the cylinder head and timing mechanism, follow the instructions below: The camshaft is mounted in the block head in five bearings. The rear...
Removing the cylinder head without removing the engine The cylinder head can be removed without removing the engine from the vehicle's engine compartment. This operation is described below. The description refers to a carbureted...
Dismantling of a head of the block of cylinders Completely disassemble the block head. Clamp the head in a vice on the bracket screwed to the exhaust manifold studs. Gradually and alternately on each side, unscrew the bolts...
Cylinder head repair Valve springs An accurate check of the valve springs requires the use of a special measuring tool. If there is none, you can do the following: Compare the removed spring with the...
Cylinder head assembly The cylinder head is assembled in the reverse order of its disassembly, using the following recommendations. Lubricate the valve stems with clean engine oil and install them in...
Installation of the cylinder head Once again clean the mating surfaces of the block head and engine block. On the mating surface of the cylinder block, install the block head gasket so that the number printed on...
Checking hydraulic valve clearance compensators Hydraulic valve clearance compensators are an important component, as serious damage to engine parts can occur if handled incorrectly. Therefore, follow these guidelines: It is...
Camshaft oil seal replacement The camshaft oil seal can be replaced without removing the engine if an oil leak is noticed in the installation area. The oil seal is behind the camshaft sprocket. To remove the...
Removing pistons and connecting rods from the cylinder block The pistons and connecting rods are removed from the cylinder block upwards with the connecting rod bearing caps and liners previously removed. Before performing these operations,...
Measurement of cylinder diameters To determine the degree of wear of the cylinder mirror, an inside gauge is needed. The diameter is measured in a direction parallel to the axis of the crankshaft, as well as in a...
Inspection of piston rings, ring grooves and connecting rods All elements of the connecting rod and piston group must be checked, and if they are worn out, have deep scratches and other damage, they must be replaced. Checking the condition...
Assembling the connecting rod and piston group If the pistons have been replaced, make sure they are the same type as the old ones. Heat up the piston to 60°C (by immersing it in hot water) inspect the auxiliary rod, which is...
Installation of pistons and connecting rods in cylinders Lubricate the cylinder mirrors liberally with engine oil. Arrange the connecting rods in the order of cylinder numbering. The lugs on the bottom head and connecting rod cap must...
Cylinder block — check In case of complete disassembly of the engine, wash the cylinder block well, clean the oil channels and channels for supplying coolant. At the same time, it is necessary to pay...
Removing the crankshaft To remove the crankshaft, you must remove the engine from the engine compartment of the car. Next, disconnect the engine from the gearbox. When removing the gearbox, do not bend...
Checking the crankshaft Carefully inspect the crankshaft for signs of damage, and then measure the diameter of the main and connecting rod journals. Three repair sizes are provided for regrinding the...
Installing the crankshaft Clean the sockets for the main bearings in the engine block, put the bearings with an oil supply groove into the sockets so that their protrusions fall into the grooves ( see fig....
Removing the crankshaft seals The front and rear crankshaft seals must be replaced each time the crankshaft is removed. Replacement requires a special tool and the special precautions described below. Both oil...
Installation of crankshaft seals Installing oil seals on an engine removed from a vehicle Lubricate the seal lip and cage and carefully press it into the cover flush with the cover. Carefully put the cover with...
Flywheel replacement On the described engines, a flywheel of a typical design is used, bolted directly"to the crankshaft flange. To remove the flywheel, block it (e.g. with a screwdriver) and loosen...
Gas distribution mechanism — design description To drive the camshaft located in the cylinder head, there is a toothed belt laid on the toothed pulleys of the crankshaft and camshaft and the fluid pump shaft, see fig. 90. Pic....
Toothed belt replacement The toothed belt is under the protective cover. The belt is designed for a run of 100,000 km, unless, of course, it does not have mechanical damage by this time. In cases where...
Checking and installing valve timing Timing gear drive pulleys are provided with alignment marks. The position of the pulley mounted on the crankshaft should be related to the notch mark • on the V-belt pulley in...
Replacing the camshaft without removing the engine Withdrawal camshaft on an engine installed in a car is carried out as follows: Turning the crankshaft, install the pistons so that none of them is at TDC. Remove the valve cover....