Motor power — general information When working on the fuel system of a diesel engine, it is necessary to observe safety measures, special cleanliness and care, which are similar to those when...
Air supply system — general information The air supply system is designed to supply air to the combustion chamber, in the amount that the engine needs in a given power mode, while maintaining the...
Fuel supply system — general information A schematic diagram of the fuel supply system is shown in Figure 6.16 and is designed to supply such an amount of fuel to the combustion chamber that ensures...
Vacuum pump — design description To ensure the operation of automatic engine control (recirculation and turbocharging system), as well as the brake booster, a vacuum is required, which is...
Exhaust System — Design Description The exhaust system includes an exhaust manifold, a turbocharger is used (TC), a three-way catalytic converter, extinguishers, an exhaust gas recirculation...
Exhaust aftertreatment system The exhaust gas aftertreatment system is designed to reduce the toxicity of the exhaust gas by directing part of the exhaust gas into the intake manifold -...
Replacing the air filter element Replacement of a replaceable element of the air filter it is necessary to carry out in a following order. Remove the soundproof casing and disconnect the rods...
Replacing the air flow meter Attention! Before replacing the air mass meter, read the information from the fault memory of the system ECU «DDE» and eliminate them. Removing the air flow...
Replacing the vacuum pump Attention! To avoid burns from vapors, all work must be carried out only on a cold engine. The replacement of the engine vacuum pump must be carried out in the...
Replacing the fuel gauge sensor Attention! Ensure adequate exhaust ventilation and a clean work area. Avoid damage to seals. Fuel hoses are under pressure. Do not bend the sensor bracket....
Fuel filter replacement The fuel filter must be replaced in the following order. Switch off the ignition and protect the generator from contamination. Remove the left lower cover and...
Fuel pump replacement Replacement of the main (additional) fuel pump must be carried out in the following order. Switch off the ignition, unscrew the fastening of the tank...
Replacement of pressure pipelines Attention! After disconnecting the pressure pipelines, be sure to plug the openings of the injectors and the high-pressure accumulator with special caps. Do...
Cleaning the diesel engine power system Attention! In case of accidental refueling of a car with a diesel engine with gasoline, it is strictly forbidden to start the engine. Cleaning the diesel...
Replacing the high pressure pump (HP) Attention! Protect the generator from contamination. After disconnecting the pipelines and hoses, close the holes formed with special caps. The position of the...
Checking the high pressure pump (HPV) Attention! Protect the generator from contamination. To prevent the engine from starting during the test, disconnect the camshaft position sensor loop. After...
Replacing the pressure regulator on the accumulator Attention! Collect and dispose of escaping fuel. It is forbidden to pull out and install the pressure regulator without using a tool. Pressure regulator...
Fuel pressure test Attention! Check the fuel supply pressure in the engine mode - idle. Dispose of escaping fuel. Checking the fuel supply pressure must be carried out in the...
Fuel return pressure test Attention! Check the fuel supply pressure in the idle mode. Checking the fuel supply pressure must be carried out in the following order. Prepare fixtures...
Removal and installation of injectors Attention! Protect the generator from contamination. After disconnecting the pressure pipelines, it is necessary to plug the openings of the injectors and...
Replacement of drain pipes Replacement of drain pipes and leaked fuel must be carried out in the following order. Remove intake manifold and read system fault memory «DDE». Protect...
Cleaning the injector channel Cleaning of the injector installation channels must be carried out in the following order. Prepare fixtures «13.5.210», «13.5.214» And «13.5.215» and goggles....
Exhaust manifold replacement The exhaust manifold must be replaced in the following order. Remove exhaust system and TC. Loosen the bolts along the line (1, fig. 6.156) and remove the...
Exhaust system replacement The design of the elements of the exhaust system is shown in Figure 6.19. Engine exhaust system «M57TU» has a particulate filter (pic. 6.157). Attention! All...
Replacing the catalytic converter with exhaust pipe Attention! To avoid burns, all work on the replacement of the exhaust pipe should be carried out on a cold engine. Replacing the catalytic converter with...
Rear muffler replacement Rear muffler replacement (11 or 12, see fig. 6.19) must be done in the following order. Prepare fixture «00.2.210» (pipe cutter). Measure the length of the...