Vehicle power and exhaust system Mercedes Sprinter I (903)
The main elements of the diesel fuel injection system are the high pressure fuel pump (TNFP) and injectors. The 2.9 liter engine is equipped with an electronic injection control system.
General description of the diesel fuel injection system
2.3L engine (index 601) The booster pump pumps diesel fuel from the tank and feeds it through the fuel filter under low pressure to the high-pressure fuel pump. From...
2.3L engine (index 601) The booster pump pumps diesel fuel from the tank and feeds it through the fuel filter under low pressure to the high-pressure fuel pump. From...
Precautions when working with the injection system
When performing all repair operations on the injection system, special cleanliness must be observed. The following instructions should always be followed, but special...
When performing all repair operations on the injection system, special cleanliness must be observed. The following instructions should always be followed, but special...
Removal and installation of fuel injection pump
To install the fuel injection pump, a special tool is required. It must be prepared before removing the pump. In addition, you will need a wrench with a 27 mm head to...
To install the fuel injection pump, a special tool is required. It must be prepared before removing the pump. In addition, you will need a wrench with a 27 mm head to...
Checking the injection start timing
The injection start moment can be checked in several ways, but any of them require special devices, so it is better to entrust this work to service station specialists....
The injection start moment can be checked in several ways, but any of them require special devices, so it is better to entrust this work to service station specialists....
Injectors and injector bodies — troubleshooting
Faulty injectors can cause the following problems: engine misfires; loud noise when the engine is running in one or more cylinders; engine overheating; loss of power;...
Faulty injectors can cause the following problems: engine misfires; loud noise when the engine is running in one or more cylinders; engine overheating; loss of power;...
Removal and installation injectors
The injectors are located under the intake manifold, so they are not visible. Removal and installation of injectors must be carried out in the following order: remove...
The injectors are located under the intake manifold, so they are not visible. Removal and installation of injectors must be carried out in the following order: remove...
Repair and cleaning of injectors
To remove the injector, it must be disassembled. Disassembly of injectors is carried out as follows: Figure 158. Disassembling the injector clamp the injector in a vice...
To remove the injector, it must be disassembled. Disassembly of injectors is carried out as follows: Figure 158. Disassembling the injector clamp the injector in a vice...
Removal and installation the mixing chamber
Figure 165. Mixing chamber and intake manifold (for 2.9L engine): 1 - bolt for fastening the chamber to the intake manifold; 2 - mixing chamber; 3 - sealing ring; 4 —...
Figure 165. Mixing chamber and intake manifold (for 2.9L engine): 1 - bolt for fastening the chamber to the intake manifold; 2 - mixing chamber; 3 - sealing ring; 4 —...
Removal and installation the fuel filter
Figure 166. Location of the fuel filter Figure 167. Removing and installing the fuel filter: 1 — filter cartridge; 2 — filter housing; 3 - fastening of fuel hoses; 4 -...
Figure 166. Location of the fuel filter Figure 167. Removing and installing the fuel filter: 1 — filter cartridge; 2 — filter housing; 3 - fastening of fuel hoses; 4 -...
Removal and installation the air filter
Figure 156. 2.3L Engine Air Filter The location of the air filter on a 2.3L engine is shown in the figure 156 (in front on the left side of the engine compartment)....
Figure 156. 2.3L Engine Air Filter The location of the air filter on a 2.3L engine is shown in the figure 156 (in front on the left side of the engine compartment)....
Turbocharger — General Description
In cases where the engine stops developing full power, for example, the maximum speed is not reached, the problem may be related to the turbocharger. If it is faulty, it...
In cases where the engine stops developing full power, for example, the maximum speed is not reached, the problem may be related to the turbocharger. If it is faulty, it...
Possible turbocharger malfunctions
If the car's engine does not develop full power or cannot reach maximum speed, it can be assumed that there is a fault in the turbocharger, but only if the injection...
If the car's engine does not develop full power or cannot reach maximum speed, it can be assumed that there is a fault in the turbocharger, but only if the injection...
General instructions for operating a turbocharger
As you probably already know, after a long trip at high speed, the engine should never be stopped immediately; it must be allowed to run for some time at idle speed. The...
As you probably already know, after a long trip at high speed, the engine should never be stopped immediately; it must be allowed to run for some time at idle speed. The...
Removal and installation a turbocharger
Figure 170. Turbocharger: 1 - turbocharger; 2, 3 - studs; 4 — pipe mounting clamp; 5 - connecting hose; 6 — clamp; 7 - vacuum valve The appearance and mounting of the...
Figure 170. Turbocharger: 1 - turbocharger; 2, 3 - studs; 4 — pipe mounting clamp; 5 - connecting hose; 6 — clamp; 7 - vacuum valve The appearance and mounting of the...
General description of glow plugs
The fuel system also includes glow plugs, whose function is to initially heat the air in the cylinders to ensure easy starting of the engine. Spark plugs are not...
The fuel system also includes glow plugs, whose function is to initially heat the air in the cylinders to ensure easy starting of the engine. Spark plugs are not...
Removal and installation glow plugs
The spark plugs, like the injectors, are located under the intake manifold, which must be removed to remove them. To remove spark plugs, you will need a ratchet wrench...
The spark plugs, like the injectors, are located under the intake manifold, which must be removed to remove them. To remove spark plugs, you will need a ratchet wrench...
Possible malfunctions of glow plugs
On a car with engine mod. 602 all faults are monitored by the self-diagnosis system. If there are problems starting a 2.3 liter engine, in many cases it is due to the...
On a car with engine mod. 602 all faults are monitored by the self-diagnosis system. If there are problems starting a 2.3 liter engine, in many cases it is due to the...
Removal and installation the intake manifold
Removing the intake manifold is a fairly labor-intensive operation. Many of its stages are described below only briefly; to clarify certain details, you should refer to...
Removing the intake manifold is a fairly labor-intensive operation. Many of its stages are described below only briefly; to clarify certain details, you should refer to...
Removal and installation of the exhaust system
The exhaust system is an important part of the engine. Its task is to reduce the content of harmful substances in exhaust gases (catalytic converter), reduction of noise...
The exhaust system is an important part of the engine. Its task is to reduce the content of harmful substances in exhaust gases (catalytic converter), reduction of noise...
Recommendations for repairing the exhaust system
The following recommendations apply in general to any work on the exhaust system, regardless of the vehicle model. Corroded metal is not suitable for welding. Therefore,...
The following recommendations apply in general to any work on the exhaust system, regardless of the vehicle model. Corroded metal is not suitable for welding. Therefore,...
Idle speed adjustment
Fine adjustment of idle speed is carried out using a special Bosch device and a 601 589 04 21 00 pulse sensor. The device is connected to the diagnostic system socket,...
Fine adjustment of idle speed is carried out using a special Bosch device and a 601 589 04 21 00 pulse sensor. The device is connected to the diagnostic system socket,...
Diesel Engine Fuel System Specifications
Idle speed (with electronic adjustment), min⁻¹: four-cylinder engine with regulation - 720 the same without adjustment - 660 five-cylinder engine with regulation - 680...
Idle speed (with electronic adjustment), min⁻¹: four-cylinder engine with regulation - 720 the same without adjustment - 660 five-cylinder engine with regulation - 680...
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- General information
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- Engines 602.984/985
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