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 priming pump pumps diesel fuel from the tank and delivers it through the fuel filter under low pressure to the injection pump. From it, fuel...
2.3L engine (index 601) The priming pump pumps diesel fuel from the tank and delivers it through the fuel filter under low pressure to the injection pump. From it, fuel...
Precautions when working on the injection system
When carrying out all repair operations on the injection system, special cleanliness must be observed. The following guidelines should always be followed, but particular...
When carrying out all repair operations on the injection system, special cleanliness must be observed. The following guidelines should always be followed, but particular...
Removal and installation of injection pump
A special tool is required to install the injection pump. It must be prepared before removing the pump. In addition, you will need a wrench with a head «by 27 mm» for...
A special tool is required to install the injection pump. It must be prepared before removing the pump. In addition, you will need a wrench with a head «by 27 mm» for...
Checking the moment of setting the start of injection
The injection start time can be checked in several ways, but any of them requires special devices, so it is better to entrust these works to service station specialists....
The injection start time can be checked in several ways, but any of them requires special devices, so it is better to entrust these works to service station specialists....
Nozzles and nozzle bodies — troubleshooting
Faulty injectors can cause the following problems: interruptions in the engine; loud noise when the engine is running in one or more cylinders; engine overheating; power...
Faulty injectors can cause the following problems: interruptions in the engine; loud noise when the engine is running in one or more cylinders; engine overheating; power...
Removal and installation of nozzles
The injectors are under the intake manifold so they are not visible. Removal and installation of injectors must be carried out in the following order: take off...
The injectors are under the intake manifold so they are not visible. Removal and installation of injectors must be carried out in the following order: take off...
Repair and cleaning of nozzles
To remove the nozzle, you need to disassemble it. The disassembly of the injectors is carried out as follows: Pic. 158. Dismantling the nozzle clamp the injector in a...
To remove the nozzle, you need to disassemble it. The disassembly of the injectors is carried out as follows: Pic. 158. Dismantling the nozzle clamp the injector in a...
Removal and installation of the mixing chamber
Pic. 165. Mixing chamber and intake manifold (for engine 2.9 l): 1 — a bolt of fastening of the chamber to an inlet manifold; 2 - mixing chamber; 3 - sealing ring; 4 — a...
Pic. 165. Mixing chamber and intake manifold (for engine 2.9 l): 1 — a bolt of fastening of the chamber to an inlet manifold; 2 - mixing chamber; 3 - sealing ring; 4 — a...
Removal and installation of the fuel filter
Pic. 166. Location of the fuel filter Pic. 167. Removal and installation of the fuel filter: 1 - filter cartridge; 2 - filter housing; 3 — fastening of fuel hoses; 4 -...
Pic. 166. Location of the fuel filter Pic. 167. Removal and installation of the fuel filter: 1 - filter cartridge; 2 - filter housing; 3 — fastening of fuel hoses; 4 -...
Removal and installation of the air filter
Pic. 156. Engine air filter 2.3 l The arrangement of the air filter on the engine in volume of 2,3 l is shown in fig. 156 (in front on the left side of the engine...
Pic. 156. Engine air filter 2.3 l The arrangement of the air filter on the engine in volume of 2,3 l is shown in fig. 156 (in front on the left side of the engine...
Turbocharger — general description
In cases where the engine stops developing full power, for example, the maximum speed is not reached, the problems may be related to the turbocharger. If it is...
In cases where the engine stops developing full power, for example, the maximum speed is not reached, the problems may be related to the turbocharger. If it is...
Possible malfunctions of the turbocharger
If the vehicle's engine does not develop full power or fails to reach maximum speed, a malfunction in the turbocharger can be assumed, but only if the injection system...
If the vehicle's engine does not develop full power or fails to reach maximum speed, a malfunction in the turbocharger can be assumed, but only if the injection system...
General instructions for the operation of the turbocharger
As you probably already know, after a long trip at high speed, in no case should the engine be stopped immediately, it is necessary to let it idle for some more time....
As you probably already know, after a long trip at high speed, in no case should the engine be stopped immediately, it is necessary to let it idle for some more time....
Removal and installation of a turbocharger
Pic. 170. Turbocharger: 1 - turbocharger; 2, 3 - hairpins; 4 — a collar of fastening of a branch pipe; 5 - connecting hose; 6 - collar; 7 - vacuum valve The appearance...
Pic. 170. Turbocharger: 1 - turbocharger; 2, 3 - hairpins; 4 — a collar of fastening of a branch pipe; 5 - connecting hose; 6 - collar; 7 - vacuum valve The appearance...
General description of glow plugs
The fuel system also includes glow plugs, the function of which is to initially heat the air in the cylinders to ensure easy starting of the engine. Candles are not...
The fuel system also includes glow plugs, the function of which is to initially heat the air in the cylinders to ensure easy starting of the engine. Candles are not...
Removal and installation of glow plugs
Candles, as well as nozzles, are located under the intake manifold, which must be dismantled to remove them. To turn out the candles, a ratchet wrench with a head...
Candles, as well as nozzles, are located under the intake manifold, which must be dismantled to remove them. To turn out the candles, a ratchet wrench with a head...
Possible malfunctions of glow plugs
By 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 this is due to the...
By 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 this is due to the...
Removal and installation of an inlet collector
Removing the intake manifold is a rather laborious operation. Many of its steps are only briefly described below; for clarification of certain details, refer to the...
Removing the intake manifold is a rather laborious operation. Many of its steps are only briefly described below; for clarification of certain details, refer to the...
Removal and installation of system of release of the fulfilled gases
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), reducing the 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), reducing the noise...
Recommendations for the repair of the exhaust system
The following recommendations apply in general to any work on the exhaust system, regardless of the vehicle model. Corroded metal is unsuitable for welding. Therefore,...
The following recommendations apply in general to any work on the exhaust system, regardless of the vehicle model. Corroded metal is unsuitable for welding. Therefore,...
Idle adjustment
Fine adjustment of idle speed is carried out using a special Bosch device and an impulse sensor 601 589 04 21 00. The device is connected to the diagnostic socket, and...
Fine adjustment of idle speed is carried out using a special Bosch device and an impulse sensor 601 589 04 21 00. The device is connected to the diagnostic socket, and...
Specifications of diesel engine power system
Idle speed (with electronic adjustment), min -1 : variable four-cylinder engine - 720 the same without adjustment - 660 variable five-cylinder engine - 680 the same...
Idle speed (with electronic adjustment), min -1 : variable four-cylinder engine - 720 the same without adjustment - 660 variable five-cylinder engine - 680 the same...
This section is available on: russian, bulgarian, belarusian, ukrainian, serbian, croatian, romanian, polish, slovak, hungarian
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