Removal and installation of the engine Removing Remove the hood. Remove the battery, engine mounts and drain the coolant. Pic. 3.27. The sequence of removal of components and assemblies when removing the...
General recommendations for engine overhaul It is not always easy to come to the conclusion about the feasibility of an engine overhaul, since it is based on a number of indicators. High mileage is not always an...
Engine Overhaul Alternatives There are a number of options available for a major overhaul. The decision to replace the cylinder block, connecting rod and piston group and crankshaft depends on a...
Engine Removal Safety Precautions If a decision is made to remove the engine for a major overhaul or repair of major components, it is necessary to carry out preparatory measures. It is extremely...
Disassembly sequence during engine overhaul It is easiest to disassemble the engine and carry out all types of work on a portable stand. Before installing the engine on the stand, it is necessary to remove the...
Dismantling of a head of the block of cylinders To disassemble the cylinder head, it is necessary to remove the intake and exhaust manifolds and related parts. Remove the camshaft and rocker assembly with shafts from...
Cleaning and checking the cylinder head A thorough cleaning of the cylinder head and parts of the valve mechanism, followed by a check, will allow you to estimate the amount of service work during an engine...
Valve repair Due to the complexity of the job and the need for special tools and equipment, repairs to valves, seats, and guides are best left to an experienced technician. In a...
Cylinder head assembly Before starting the assembly, it is necessary to make sure that the cylinder head is clean, regardless of whether the repair was carried out in a car repair shop or in a...
Removing pistons and connecting rods Before removing the pistons, the top of each cylinder must be reamered to remove the collar. Read the manufacturer's instructions that came with the tool. If you do not...
Removing the crankshaft Pic. 3.34. Using a dial indicator to measure crankshaft end play Before removing the crankshaft, check its end play. Install the indicator so that its measuring tip...
Cylinder block cleaning Remove the soft plugs from the cylinder block. To do this, use a hammer and a mandrel to press them into the block, and then remove them from the holes by picking them...
Checking the technical condition of the cylinder block Thoroughly clean the cylinder block and check again that the ribs on the top edges of the cylinders have been completely removed. Visually inspect the block for cracks...
Checking the technical condition of the camshaft After removing the camshaft from the engine, cleaning and drying, check the shaft bearings for even wear, wear or metal sticking. If there is damage to the bearings, the...
Checking the technical condition of the crankshaft Wash the crankshaft with solvent and dry thoroughly. Be sure to clean the oil passages with a stiff brush and flush with a strong stream of solvent. Remove solvent...
Checking main and connecting rod bearings Despite the fact that the main and connecting rod bearings must be replaced during engine overhauls, old bearings should be stored at their installation site for a...
Installation of piston rings Before installing new piston rings, check the gap in the locks of the rings. It is assumed that the gap between the ring and the groove seat has already been checked and...
Installing the rear oil seal and rear cover Lubricate the outer surface of the oil seal with a thin layer of engine oil and install the oil seal in the seat of the rear cover. Using a mandrel, evenly press in the...
Engine assembly sequence during overhaul Before starting assembly, have all necessary new parts, gaskets and seals, as well as the following tools and fixtures: standard set of tools; socket torque wrench...
Starting the engine after repair and running it After completing the engine assembly, double check the oil and coolant levels. With the spark plugs removed and the ignition coil high voltage wire connected to...
Wear of the cylinder-piston group The engine of a car is sometimes compared to a human heart. Indeed, it works constantly while the car is moving. However, such a comparison is not quite correct. After...
Engine bearings What bearings are installed in your engine? Not all motorists can answer such a question intelligibly. However, there are bearings. And not any, but quite certain. They...
Timing belt of the timing mechanism drive Today, toothed belts have found «second wind». Almost all automakers equip their cars with an elastic drive. German designers went even further. They widely apply double...
Engine valve repair Anyone can be revived «tired» automobile. However, the technical difficulties are great. Spare parts, machine tools, welding equipment and other technological support...
What you need to know when changing oil Firstly, it is recommended not only to let the old oil drain completely, but also to rotate the engine crankshaft 5-7 revolutions to remove the remaining oil from the...
Vehicles with a catalytic converter in the exhaust system Hyundai cars are equipped with a catalytic converter as standard. If available, unleaded gasoline must be used. Vehicles with a controlled catalytic converter must also...
Timing belt guard (since 1986) Pic. 14.2. Timing belt cover for release models from May 1986: 1 - rubber seals (installed on later models); 2 - front casing; 3 - rubber seal; 4 - water pump; 5 -...
Crankshaft main bearing shells (since 1987) Models manufactured since April 1987 are equipped with smooth crankshaft main bearing shells. As with cars from earlier years of production, they had oil grooves. At the...
Valve drive (since 1986) Since 1988, a 12-valve cylinder head has been installed on the engines of models. The design difference of the head is that there are three valves for each cylinder (two...
Toothed belt (since 1986) Pic. 15.9. Toothed belt: 1 – the top casing of a gear belt; 2 – the bottom casing of a gear belt; 3 - crankshaft pulley; 4 - oil deflector; 5 – a leading pulley of a...